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  • Contractors
    Employer Contract Address Phone Contact
    44 Electric Inc A, C 1028 Longaker Road, Northbrook, IL 60062 847-361-0938 Dorota Kaleta
    175 JACKSON L.L.C - C/O JACKSON MGMT. & INVESTMENT M 175 W. Jackson , Chicago, IL 60604 312 781-2409 Bruce Hill
    A & F ELECTRICAL SERVICES CO. A 8149 Katy Lane , Orland Park, IL 60462 708 662-0189 Julie Fletcher
    A & M POWER ELECTRIC, INC. A 1206 Somerset Lane, Woodridge, IL 60517 708 710-9606 Tina Biancofiori
    A AND C ELECTRIC, INC. A 704 W. Algonquin Rd., Arlington Heights, IL 60005 847 640-1093 Arthur Arriaga
    A/E ELECTRIC CO., INC. A P.O. Box 1186 , Crown Point, IN 46308 219 924-9795 Richard Anderson
    ABCO ELECRICAL CONSTRUCTION & DESIGN L.L.C. A, C, R 817 S. Kildare Avenue, Chicago, IL 60624 773 826-2600 Andrew Ray
    ABR COMMUNICATIONS, INC. A, C   4146 Warren Avenue, Hillside, IL 60161 708 547-6100 Cynthia Arriz
    ACAMARD TECHNOLOGIES, INC. C PO BOX 892, PALATINE, IL 60078 847 303-9670 Brenda Waters
    ACE ELECTRIC, INC. C 813 N. Fourth St. , Allentown, PA 18102 610 782-0275 David B. Maurer
    ACS DATALINE OF THE NORTHWEST D/B/A BLACK BOX NETWORK SERVICES A, C 5050 Lincoln Drive Suite # 300, Minneapolis, MN 55436 952 352-4014 Michael McAndrew
    ADT, LLC C 111 Windsor Drive , Oakbrook, IL 60523 630-218-7521 John Roberts
    ADVANCED COMMUNICATIONS, INC. C 201 Woodcreek Dr. , Michigan City, IN 46360 219 874-3333 Kevin Warnke
    ADVANCED DATA TECHNOLOGIES, INC. A, C 1075 Shore Rd. , Naperville, IL 60563 630 355-3113 David W. Kelsch
    ADVANCED ELECTRICAL SYSTEMS, INC. A 585 W. Taft Drive # C , South Holland, IL 60473 708 333-3885 Pamela Raynor
    ADVANCED WIRING SOLUTIONS, INC. C 4838 W. 128th Place , Alsip, IL 60803 708 385-0916 Traci Mucha
    ADVANTAGE TECHNOLOGIES, LLC C 12621 S. LARAMIE AVE., SUITE B, ALSIP, IL 60803 708-336-4520 Jason Horn
    ADVENT SYSTEMS, INC. A, C 435 W. Fullerton , Elmhurst, IL 60126 630 279-7171 Michael Walsdorf
    AHR (American Human Resources) LTD. D/B/A TORCH ELECTRIC CO. A 2335 W. Devon Ave, Suite 201, Chicago, IL 60659 630 618-9445 Shan Bakhtiari
    AIRPORT ELECTRIC COMPANY A, C 6342 S. Central Ave. , Chicago, IL 60638 773 735-5757 Rosalie Stiegal
    ALCON ELECTRICAL CONSTRUCTION , INC A 1 Westbrook Corporate Center Suite 300, Westchester, IL 60154 630 941-7300 Aysha Qurashi
    ALDRIDGE ELECTRIC, INC. A, C 844 E. Rockland Rd. , Libertyville, IL 60048 847 680-5200 Stephen Rivi
    ALL CONSTRUCTION ELECTRIC, INC. A 8107 Robin Court, Tinley Park, IL 60487 708-906-5679 Darlene Harris
    ALL PHASE ELECTRIC CO. A 1229 E. Algonquin Rd. , Arlington Heights, IL 60005 847 545-1300 Jeanine Bucholz
    ALL PHASE ELECTRICAL CONTRACTORS, INC. A 21750 Main St., Unit 25 , Matteson, IL 60443 708 283-6988 Maribeth McNitt
    ALL RIGHT SIGN INC. ES 3628 Union Ave. , Steger, IL 60475 708 754-6366 Teresa Bowen
    ALL SUBURBAN ELECTRIC CONSTR. COMPANY, INC. A 810 S. Arthur Avenue, Arlington Heights, IL 60005 847 253-7043 Kimberly A. Eggert
    ALL TECH ENERGY, INC. A, LM 1000 E. State Parkway Suite C"", Schaumburg, IL 60173 847 882-0500 Kathleen Esposito
    ALLIED ELECTRIC & COMMUNICATIONS, INC. C 702 Wildwood Drive, Minooka, IL 60447 630 873-5200 Miranda Phillips
    ALL-TECH ELECTRICAL CONSTRUCTION CO. A 4645 W. 138th St, , Crestwood, IL 60445 708 371-4411 Donna M. Zimmer
    ALPHA PHASE ELECTRIC LLC A 8529 S. Wabash Avenue , Chicago, IL 60619 773 230-7294 Kevin Bailey
    ALRON ELECTRIC, INC. A P.O. Box 494 , New Lenox, IL 60451 815 463-1355 Veronica Robledo
    ALTHOFF INDUSTRIES, INC. A 8001 S IL Route 31 , Crystal Lake, IL 60014 815 455-7000 Thomas Althoff
    AMBER MECHANICAL CONTRACTORS, INC. C 5602 W. 120th Street , Alsip, IL 60803 708 597-3143 John C. Lindemulder, Jr
    AMC TELEPHONE SERVICE, INC. C 1006 Bonaventure Drive , Elk Grove Village, IL 60007 847 891-6650 Barbara Ann Jozwiak
    AMERICAN BACKHOE SERVICE & EXCAVATING COMPANY A, M 2560 Federal Signal Drive , University Park, IL 60484 815 469-2100 Carl Sterzel
    AMERICAN ELECTRIC CONSTRUCTION COMPANY, L.L.C. A, C, R 620 Pratt Ave. , Schaumburg, IL 60193 847 301-1790 Joseph S. Chiaramonte
    AMERICAN ELECTRICAL, INC. A 700 Theodore St., Cresthill, IL 60435 815 727-0777 Kathleen Ciesla
    AMP ELECTRIC, INC. A, C 1390 Gateway Blvd. , Beloit, WI 53511 608 299-0170 Lou Rotello
    AMPERE ELECTRIC COMPANY A, C 2335 W Devon Avenue, #201, Chicago, IL 60659 630 893-1400 Saghar A Bakhtiari 
    AMS MECHANICAL SYSTEMS, INC. A, C 140 E. Tower Drive , Burr Ridge, IL 60521 630 887-7700 John F. Berzanskis, Jr.
    ANCHOR ELECTRIC CORPORATION A 291 E. St. Charles Rd. , Carol Stream, IL 60188 630 682-0145 Amy K. Teeling
    ANCHOR MECHANICAL, INC. d/b/a/ ANCHOR ELECTRICAL MAINTENANCE A 255 North California , Chicago, IL 60612 312 492-6994 Mike Rosner
    ANDERSON PUMP SERVICE, INC. A, C, M 19659 S. 97th Ave. , Mokena, IL 60448 708 478-6190 Gail Anderson
    APOLLO K. ELECTRIC A 25959 S. Greene Castle Drive, Monee, IL 60449 847 692-3990 Giannoula Davlopoulos
    APPLE CONCRETE CORING CO. A 1111 S. Finley Road , Lombard, IL 60148 630 350-1213 Melissa Schmitz
    APPLIED COMMUNICATIONS GROUP, INC. C 1015 Lunt Avenue , Schaumburg, IL 60193 630 529-1020 Mike Mellahn
    APPLIED CONTROLS, INC. A 30W270 Butterfield Rd # 115, Warrenville, IL 60555 630 836-9440 J. Timothy Smerz
    ARC 1 ELECTRIC, INC. A 7707 W. 98th Street , Hickory Hills, IL 60457 708 599-1010 Kathleen Motola
    ARCO ELECTRIC COMPANY A 3333 E. 143rd Street , Burnham, IL 60633 708 891-7000 Robert Palermo
    AR-CORE ENTERPRISES, INC. A 7344 W. 90th St. , Bridgeview, IL 60455 708 430-4130 Jennie A. Stec
    ARGO ELECTRIC, INC. A 1007 N. Ellsworth Ave. , Villa Park, IL 60181 630 833-9925 Janet M. Walantas
    ARGON ELECTRIC COMPANY, INC. A 1700 Leider Lane Suite 100, Buffalo Grove, IL 60089 847 364-2200 Ronald J. Cacioppo
    ARI INDUSTRIES INC. MAN 381 ARI Court , Addison, IL 60101 630 953-9100 Daniel Malcolm
    ASHBURN POWER & LIGHT, INC. A, C 5639 W. 120th Street , Alsip, IL 60803 708 293-1566 Gail Malone
    ASI DEDICATED SERVICES, LLC C 90 E. Halsey Road  Ste. 114, Pasippany, NJ 07054 973 560-3868 Hugh Rudoloph
    ASSA ABLOY ENTRANCE SYSTEMS D, G 1630 Jarvis Ave , Elk Grove Village, IL 60007 847 228-5600 Michael P. McCaslin
    ASSOCIATED ELECTRICAL CONTRACTORS OF IL, LLC A, C 319 Lamb Road   POB 39, Woodstock, IL 60098 815 337-6600 Guy Seeman
    AT&T SERVICES, INC. C 95 West Algonquin Road, Arlington Heights, IL 60005 847 248-8824 Ron Wells
    ATOMATIC MECHANICAL SERVICES A 3733 N. Ventura Drive, Arlington Heights, IL 60004 847 818-4300

    Steven Stachorek

    AUSTGENS ELECTRIC, INC. A 801 E. Main Street , Griffith, IN 46319 219 924-7528 Ronald Austgen
    AUTOMATIC BUILDING CONTROLS, INC. A 3315 Algonquin Rd. Suite 550, Rolling Meadows, IL 60008 847 296-4000 Grant Bevill
    AUTOMATIC DOORS, INC. G 113 Sangra Ct. , Streamwood, Il 60107 630 837-4496 Patricia King
    AVI-SPL C 2266 Palmer Drive, Schauamburg, IL 60173 847 258-7804 John Zettel
    B3 INTEGRATED SOLUTIONS A 6500 W. 65th Street Suite 200, Chicago, IL 60638 773 788-0900 Jason Bonaparte
    BALLARD COMPANIES, INC. A, C 3555 Electric Avenue , Rockford, IL 61109 815 229-1800 David Boettcher
    BANDWIDTH MANAGEMENT, INC. A, C 670 Chase Avenue , Elk Grove Village, IL 60007 847 290-0099 Sara L. Karr
    BARTECH GROUP, INC. DBA THE BARTECH GROUP A, C 44 W. 60th Street , Chicago, IL 60621 773 241-6831 Dwayne Barlow
    Barton Electric Inc. A 247 State Route 160, Trenton, IL 62293 618-654-6626 Elaine Barton
    BARTLETT POWER & LIGHTING INC. A 1879 N. Neltnor Blvd. #310 Suite 140, West Chicago, IL 60185 630 441-6014 Carol Kubovy
    BASSETT ELECTRICAL CONTRACTING, LLC A 73 Heritage Trail , Hainsville, IL 60030 847 912-4083 Mary Bassett
    BEACON SALES, SERVICE & INSTALLATION, INC. M 2413 7th Avenue , North Riverside, IL 60546 708 442-7442 Patrick P. Ferriter
    BEERY HEATING & COOLING,INC. A 114 Kirkland Circle   Ste. D, Oswego, IL 60543 630 585-6444 Carol Beery
    BEL-AIRE ELECTRIC COMPANY A 1850 Shorewood Drive, Hoffman Estates, IL 60192 847 548-7596 Patricia Samborski
    BELCORE ELECTRIC CONSTRUCTION CO. A, M 1600 Main St. , Melrose Park, IL 60160 708 345-1344 Luann McAuliffe
    BELEC ELECTRICAL, INC. A 7720 Gross Point Rd. Unit B, Skokie, IL 60077 847 967-6111 Roy Belluomini
    BELLSOM ELECTRIC, INC. A 6809 Columbia Ave. Suite G, Hammond, IN 46324 219 554-1100 Dody Russell
    BELMONT & LEAVITT CORP. D/B/A AVONDALE ELECTRIC, INC. A, C, R, M 1475 Brummel , Elk Grove Village, IL 60007 847 981-9980 David Dell' Aringa
    BENCHMARK COMMUNICATIONS, INC. C 1272 Bond St. Suite 100, Naperville, IL 60563 630 577-2625 Herman J. Valdez
    BENSON ELECTRICAL CONTRACTING, INC. A 371 E. Prairie St. Suite A, Crystal Lake, IL 60014 815 455-2260 Julie Benson
    BERNARD N. LANE COMPANY D/B/A MONARCH ELECTRIC CONSTRUCTION CO. A 8258 Christiana , Skokie, IL 60076 847 673-6363 Amy Lane
    BERNARDONI ELECTRIC, INCORPORATED A 830 Tollgate Rd. , Elgin, IL 60123 847 697-2600 Tom Bernardoni
    BERRY ELECTRIC CONTRACTING COMPANY A, C, M 1201 Morris Ave. , Berkeley, IL 60163 708 547-9300 Chris Olson
    BEST NEON SIGN CO. ES 6025 S. New England , Chicago, IL 60638 773 586-2700 Marvin Goldzweig
    BLACKHAWK ELECTRICAL CONSTRUCTION LLC A 5100 Pearl Street, Schiller Park, IL 60176 847 447-3450 Jon Teresiak
    BLAZE ELECTRIC CORP. A 2424 S. 25th Ave. , Broadview, IL 60155 708 344-0600 Michaelena Ziemba
    BLOCK ELECTRIC COMPANY, INC. A 7107 North Milwaukee Ave. , Niles, IL 60714 847 647-4030 John F. Block
    BME ELECTRIC, INC. A 9935 S. 76th Ave, Unit A, Bridgeview, IL 60455 708 670-5014 Melissa Moran
    BONUS ELECTRIC, INC., L.L.C. A,C, R  112 Main Street , Lemont, IL 60439 630 257-3336 John Haberkorn, Jr.
    BOSS ELECTRIC, INC. A 16020 Suntone Drive Unit A, South Holland, IL 60473 708 339-2677 Ruth A. Boss
    BOYD ELECTRIC, INC. A, MAINT, LM 10053 S. 76th Avenue, Bridgeview, IL 60455 708 952-4500 James M. Boyd
    BRENNAN ELECTRIC, INC. A 9209 S. Lawndale Avenue , Evergreen Park, IL 60805 708 704-1419 Rita Brennan
    BROADWAY ELECTRIC, INC. A, C   831 Oakton St. , Elk Grove Village, IL 60007 847 593-0001 John Oehler
    BROCKTON ELECTRIC, INC. A, R 10925 S. Knox , Oak Lawn, IL 60453 708 425-9885 Catherine M. Boyce
    BROWN ELECTRIC SERVICE, INC. A 9500 W. 144th Place PO BOX 96, Orland Park, IL 60462 708 645-9000 Krista Brown
    BURNHAM ELECTRIC, INC. A 9717 S Avenue H, Chicago, IL 60617 773 428-5797 Martha E. Blanco
    BUILDERS CHICAGO CORPORATION A 9820 W. Foster Avenue , Rosemont, IL 60018 224 654-2122 Richard C. Crandall, Jr.
    BUSINESS TELEPHONE SYSTEMS, INC. C 3924 W. Devon Avenue Ste. 100, Lincolnwood, IL 60712 773 657-3403 Matt Jackson
    BUSINESS WIRING SOLUTIONS, INC. C 9715 S. Merton Street , Oak Lawn, IL 60453 224 484-9473 Lynn Howard
    C. ACITELLI HEATING & PIPING CONTRACTORS, INC. A 813 South Villa Avenue, Villa Park, IL 60181 6330 832-4645 Charles Acitelli, Jr.
    C.A. RILEY ELECTRIC CONSTRUCTION CORPORATION A 911 Lee St. , Elk Grove Village, IL 60007 847 437-3851 Charlotte A. Birck
    C.A.S.E. CONSTRUCTION AND ELECTRICAL CONTRACTORS A P.O. Box 72 , Steger, IL 60475 708 672-5320 Rita M. Lester
    C SUREK ELECTRIC INC A 8950 Skyline Drive, Burr Ridge, IL 60527 630 789-1951 Sophie V. Scurek
    CABLE COMMUNICATIONS, INC. A, C, R, M 6200 So. Oakley , Chicago, IL 60636 773 925-1344 Susan Hurley
    CABLE ELECTRIC COMPANY, INC. A 7640 Archer Rd. , Justice, IL 60458 708 458-8900 Susan K. Goacher
    CABLETECH COMMUNICATIONS, INC. C 512 W. Burlington #201 , LaGrange, IL 60525 708 478-8181 Julie M. Cassara
    CAL COMMUNICATIONS, INC. C PO Box 7855 , Buffalo Grove, IL 60089 847 537-2425 Carlos A. Lopez
    CAMBRIDGE ELECTRIC, INC. A 425 Cambridge Ave. P.O. Box 727, Elburn, IL 60119 630 365-0556 Kathleen Kolzow
    CAMEO ELECTRIC, INC. A 10526 W. Cermak, Suite 113 , Westchester, IL 60154 708 836-1870 Lisa Palma
    CAMPBELL ELECTRIC, INC. A 939 W. North Avenue Suite 75045, Chicago, IL 60564 708 715-2445 Anita Levinson
    CANDOR ELECTRIC, INC. A, C, R, LM, M 940 West 94th Street , Chicago, IL 60620 773 778-2626 Vincent L. DiFiore
    CANINO ELECTRIC COMPANY A 41 Plaza Drive Unit A , Westmont, IL 60559 708 681-2800 Kathleen T. Canino
    CAREY ELECTRIC CONTRACTING, INC. A 3309 W. WAUKEGAN RD. , Mchenry, IL 60050 815 385-3600 Richard Carey
    CAREY'S ELECTRIC ENTERPRISES, INC. A 8201 W. 183rd Street Unit B, Tinley Park, IL 60487 708 532-2449 William J. Provencher
    CARLYN ELECTRICAL CONSTRUCTION, INC. A 625 Touhy Ave. , Elk Grove, IL 60007 847 690-0001 Barbara Permanian
    CATTANEO ELECTRIC COMPANY A 8171 S. Lemont Rd. , Darien, IL 60561 630 971-0692 Sharon Cattaneo
    CBA MORRIS INC. D/B/A AUSTIN ELECTRIC, INC. A, LM P.O. Box 191 , Western Springs, IL 60558 630 323-9382 Michele Morris
    CE & J COMM. TECH, INC. C 10624 S. LeClaire Avenue , Oak Lawn, IL 60453 708 337-3262 Michael O'Sullivan
    CECO, INC. A, C 200 W. Jackson Blvd. SUITE 1340, Chicago, IL 60606 312 662-0134 Richard Prendergast
    CHATFIELD ELECTRIC, INC. A, R 3217 Doolittle Drive, Northbrook, IL 60062 847 509-1660 Gregory Tomic
    CHICAGO COMMUNICATION SYSTEMS, INC. C 2865 Old Higgins Rd. , Elk Grove Village, IL 60007 847 956-8500 Luis I. Marrero, Pres.
    CHICAGO CUT CONCRETE CUTTING A 674 Albion Ave, Schaumburg, IL 60193 773 282-2288 Tiffany Phillips
    CHICAGO HEIGHTS CARRIER ELECTRIC CO. A 2713 Jackson Ave. , South Chicago Hgts., IL 60411 708 755-7700 Clara M. Lareau
    CHICAGO POWER & COMMUNICATIONS, INC. A, C 17 No. State Suite 1700 , Chicago, IL 60602 773 646-6000 Frieda Fleming
    CHICAGO VOICE AND DATA AUTHORITY C 2444 W. 16th Street , Chicago, IL 60608 312 273-4970 Cristina Beran
    CHICAGOLAND CABLING SOLUTIONS, INC. C 2806 Centre Circle , Downers Grove, IL 60515 630 678-1100 Lawrence J. Mathieu
    CHICAGOLAND ELECTRI-COMM, INC. A, C 7805 S. Claremont St. , Chicago, IL 60620 773 925-9292 Ann F. Voves
    CHRISTENBERRY SYSTEMS, & ALARM COMPANY, INC. C 222 Derby Street , Pekin, IL 61554 309 353-7871 Robert Christenberry
    CINCO ELECTRIC, INC. A 834 So. Arthur Ave. , Arlington Heights, IL 60005 847 632-1800 Cynthia Fallico
    CIRCLE R"  ELECTRIC INC A P.O. Box 130 , Portage, IN 46368 219 762-5588 Charles V. Shields
    CITY LIGHTS, LTD. A 9993 Virginia Avenue, Chicago Ridge, IL 60415 708 581-7110 Jackie Hoffman
    CITY SERVICE ELECTRIC, INC. A, C 5710 N. Northwest Highway, Chicago, IL 60646 773 282-7186 Lauren Hackleman
    CLEAR LOSS PREVENTION, INC. C 7805 S Claremont Avenue , CHICAGO, IL 60620 312 566-4123 Carrie Pieczynski
    CLENNON ELECTRIC, INC. A 210 N. Main Street., PO BOX 368, Wilmington, IL 60481 815 476-7741 Christine Humphries
    CLIMATE PROS, INC. A 55 N. Brandon Drive, Glendale Heights, IL 60139 630 893-8511 Todd Ernest
    C-N-D ELECTRICAL CONTRACTORS, INC. A 19227 S. 85th Court , Mokena, IL 60448 815 806-7530 Christopher Kaczor
    COBRA CONCRETE CUTTING SERVICES, CO. A 2416 E. Oakton, Arlington Hts, IL 60005 773 775-1111 Daniel Foley
    CODE ENGINEERING SERVICES A 2021 Midwest Road Suite 200, Oakbrook, IL 60523 630 953-8586 Sim Dawson
    CODES ELECTRIC, INC. A 9541 S. Kildare Avenue , Oak Lawn, IL 60453 708 634-2619 John Cody
    COLETTE M. DAILEY ELEC. CONTRACTORS, INC. D/B/A: DAILEY ELECTRIC CO., INC. A, C, R 702 So. Vermont , Palatine, IL 60067 847 359-9789 Colette Dailey
    COMMERCIAL ELECTRIC LLC A 15941 S. Harlem Ave #321, Tinley Park, IL 60477 815 464-7350 Fiona Walsh
    COMMERCIAL ELECTRONIC SYSTEMS, INC. C 2447 Reeves Rd. , Joliet, IL 60436 815 741-3333 Ronald H. Lindsay
    COMM-TEST ELECTRIC A, C 2223 W. 107th Street, Chicago, IL 60643 773 239-1924 Sean Dunleavy
    COMMUNICATION SPECIALTIES, INC. C 201 E. Army Trail Rd. #208 , Bloomingdale, IL 60108 630 588-9873 Eric Morrisroe
    COMMUNICATION TECHNOLOGY SERVICES, INC. C 33 Locke Drive , Marlborough, MA 1752 508 382-2700 John J. Tegan, Jr.
    COMMUNICATION ZONE, INC. C 735 W. Lunt Avenue , Schaumburg, IL 60193 630 994-5040 John B. Kaprales
    COMPLETE CABLING SOLUTIONS, INC. C 8695 Archer Avenue Suite 17, Willow Springs, IL 60480 630 521-1970 Mary Ann Freitag
    CARROLL WEISS AND ASSOCIATES, INC. D/B/A/ COMPLETE ELECTRICAL SERVICE A 639  Main Street, Batavia, IL 60510 630 879-1098 Steve Risch
    CONCUR ELECTRIC COMPANY, INC. A 4729 West 135th Street, Building D, Crestwood, IL 60418 708 396-8766 Josephine Curtin
    CONNELLY ELECTRIC, INC. A, C, R 40 So. Addison Rd., Suite 100 , Addison, IL 60101 630 543-9059 Kevin Connelly
    CONNOR ELECTRIC SERVICES INC. DBA CONNOR VOICE A, C 649 Estes Avenue , Schaumburg, IL 60193 630 823-8230 Lisa Szlenk
    CONTINENTAL ELECTRIC CO., INC. A 9501 E. 5th Ave. P.O. Box 2710, Gary, IN 46403 219 938-3460 William J. Walton
    CONTINENTAL ELECTRICAL CONSTRUCTION COMPANY LLC A, C, R , M 815 Commerce Drive, Suite 100, Oak Brook, IL 60523 630 288-0200 David A. Witz
    CONTRACTORS POWER & LIGHT COMPANY A 901 No. Williams St. , Thornton, IL 60476 708 331-1422 Kent Klausner
    CORE-VETTE CORING & SAWING, INC. A 510 Higgins Road, Park Ridge, IL 60068 847 698-5080 Claudia Jorgenson
    CORPORATE ELECTRIC, INC. A 926 Estes Ct. , Schaumburg, IL 60193 847 963-2800 Michael Kohls
    CORRECT ELECTRIC, INC. A, C 3 East Front Street #629 , Newark, IL 60541 815 496-3000 Linda Lichtenauer
    COTTER HALL ELECTRIC, INC. A 16180 Kingsport Rd. , Orland Park, IL 60467 708 403-2285 Natalie Cotter
    COURTESY ELECTRIC, INC. A 8770 W. Bryn Mawr Suite 1300, Chicago, IL 60631 773 867-8301 Matthew Ryan
    CROSS POINTS, INC. C 10 E. Main Street Suite 101, East Dundee, IL 60118 847 888-1800 Thomas Karcz
    CROSSTOWN ELECTRIC, INC. A, M 701 Fargo Ave. , Elk Grove Village, IL 60007 847 439-1234 Margaret Hoff
    CURRENT COMMUNICATIONS & ELECTRIC CORPORATION A, C 2600 W. 23rd St. , Broadview, IL 60155 708 786-3400 Susan Lewaniak
    CURRENT ELECTRICAL / MECHANICAL INC A 4415 E Sherrill Road, Minooka, IL 60447 815 521-9402 Michael W Ziga
    CUSUMANO ELECTRICAL SERVICES, LLC A 330 St. Paul Blvd. , Carol Stream, IL 60188 630 682-1066 Lisa A. Cusumano
    D & T ELECTRIC, INC. A 119 S. Emerson St., #376 , Mt. Prospect, IL 60056 847 691-4631 Robert Siemianowski
    D AND J ELECTRIC, INC. A, C 5727 S. Harlem, Chicago, IL 60638 773 586-5500 Joseph Haberkorn
    D N D ELECTRIC, INC. A 1111 E Touhy Avenue STE 260, Des Plaines, IL 60018 630 585-0933 David Deleon
    D.J. SWEENEY ELECTRICAL CONTRACTING, INC. A 11818 S. Komensky , Alsip, IL 60803 630 515-9700 Maria Sweeney
    DAHL ELECTRIC CO. A 1559 Elmhurst Rd. , Elk Grove Village, IL 60007 847 297-2200 Arthur J. Rogers
    DATA CABLE SOLUTIONS, INC. C 2720 Dundee, Suite 316, Northbrook, IL 60062 708 531-0900 Aaron McConn
    DATECH ELECTRIC INC. A 13345 Forest Lane , Lockport, IL 60441 815 836-8091 Linda Davi
    DAUFENBACH ELECTRIC, INC. A 956 S. Bartlett Rd., #278 , Bartlett, IL 60103 847 464-1060 Melissa Daufenbach
    DAV-COM ELECTRIC, INC. A, C 8741 Robinhood Dr. , ORLAND PARK, IL 60462 708 444-2056 Karen S. Schmidt
    DAX ELECTRIC, INC. A 4833 W. Gregory Street, Chicago, IL 60630 773 718-1238 Linda Capone
    DAYS CORPORATION A 55169 County Road 3N , Elkhart, IN 46514 574 264-4121 James N. Spoatt
    DECKER ELECTRIC, INC. A 4500 W. HARRY STREET, WICHITA, KS 67209 316-491-5163 Stephen A. Decker
    DEERFIELD ELECTRIC COMPANY, INC. A 3680 Commercial Ave., Northbrook, IL 60062 847 272-6700 Mario Galvani
    DEMARC ELECTRIC AND COMMUNICATIONS, LLC C 701 N. Columbine , Lombard, IL 60148 312 434-6631 Donald Barratt
    DIRECT ELECTRICAL SERVICES INC. A 24133 S. 80th Ave , Frankfort, IL 60423 815 505-7451 Barbara A. Vincent
    DMH ENTERPRISES, INC. DBA SOUND PLANNING ASSOCIATES, INC. C 923 W. Liberty Drive , Wheaton, IL 60187 630 653-6700 David Hecht
    DNR ELECTRICAL CONTRACTORS, INC. A, R 2580 So. 17th Ave. , Broadview, IL 60155 708-681-2074 Annette Helf
    DONGARRA ELECTRIC COMPANY, INC. A 15120 E. 127th Street , Lemont, IL 60439 630 243-8387 Kathleen Dongarra
    DOYLE SIGNS, INC. A, ES 232 Interstate Rd. , Addison, IL 60101 630 543-9490 Terrance J. Doyle
    DTZ, INC M 200 Broadacres Drive , Bloomfield, NJ 7003 973 771-2541 James Canavan
    DUDE TESTING AND LOCATING LLC A 145 Tower Drive #9, Burr Ridge, IL 60527 815 293-3388 scott dude
    DURKIN ELECTRIC COMPANY INC. A, C 8150 W. 185th Street #E , Tinley Park, IL 60487 708 388-8800 Timothy Durkin
    DYNAMIC ELECTRIC, INC. A, C, M 12800 S. Cicero Ave. , Alsip, IL 60803 708 597-6500 Edward Haberkorn
    DYROS ELECTRIC, INC. A 900 Lee Street , Elk Grove Village, IL 60007 847 593-9797 Kenneth Kondraros
    E. STONE INC A, C, R 1160 N. Villa Ave. , Villa Park, IL 60181 630 833-8010 Edward Stone
    EATON D/B/A COOPER LIGHTING, INC. MAN 1121 Highway 74 South , Peachtree City, GA 30269 770 486-4800 Dave Arnold
    EBLING ELECTRIC COMPANY Motor 2222 W. Hubbard, Chicago, IL 60612 312-455-1885 Charles J. Salemi
    ECO LIGHTING SERVICES AND TECHNOLOGY LLC A, C, LM  724 Racquet Club Drive Unit 2, Addison, IL 60101 847 464-7336 Debra Naybar
    EDLEN ELECTRICAL EXHIBITION SERVICES A 4255 W. 43rd Street , Chicago, IL 60632 312 674-1100 James Wetterling, Jr.
    EFFECTIVE ELECTRIC, INC. A 6971 W. Oakdale Ave., Chicago, IL 60634 773 889-8204 Joseph L. Samansky
    EGF ELECTRICAL INCORPORATED A 9424 143rd Street , Orland Park, IL 60462 815 693-0377 Joanna Johnson
    EGHS, LLC D/B/A: GRAND-KAHN ELEC., INC. A, C, LM, M 2455 W. Grand, Chicago, IL 60429 312 298-1500 Michael Donnellan
    ELECTRIC CONDUIT CONSTRUCTION COMPANY A 816 Hicks Drive, Elburn, IL 60119 630 293-4474 Tim Pfleeger
    ELECTRIC ONE, INC. A, M 13943 Kildare Avenue, Crestwood, IL 60455 708 535-3001 Sharon Blake
    ELECTRICAL APPLICATIONS, INC. A 3850 W. 92nd St. , Evergreen Park, IL 60642 708 499-4065 Marjorie A. Pietkiewicz
    ELECTRICAL CONTRACTORS, INC. A, M 1252 Allanson Rd. , Mundelein, IL 60060 847 949-0134 Lizabeth Karson
    ELECTRICAL DESIGN SYSTEMS CORP. A, C 510 Exchange Ct. , Aurora, IL 60504 630 499-7800 Hollis Levine
    ELECTRICAL DYNAMICS, INC. LM 5934 N. Northwest Hwy. , CHICAGO, IL 60631 847 670-9800 Timothy McKenna
    ELECTRICAL ENERGY EXPERTS, INC. A, S W129N 10818 Washington Drive , Germantown, WI 53022 262 255-5222 William Styer
    ELECTRICAL SYSTEMS, INC. A 17335 S. Ashland, East Hazel Crest, IL 60429 708 647-1300 Robert J. Bergeron
    ELECTRO FORCE LLC A 3285 Overland Pass , Northbrook, IL 60062 847 998-8559 Donna Waldron
    ELITE ELECTRIC COMPANY A, C, R, LM 1645 N. 25th Ave. , Melrose Park, IL 60160 708 343-5570 Phyliss Frias
    ELLIOTT ELECTRIC, INC A PO BOX 245, Coal City, IL 60416 815-634-1600 Charles Elliott
    EMCOR HYRE ELECTRIC CO. OF INDIANA, INC. A, C 2655 Garfield St. , Highland, IN 46322 219 923-6100 Thomas R. Corsiglia
    EMERGING COMMUNICATIONS GROUP, INC. C 11031 S. 84th Avenue , Palos Hills, IL 60585 773 340-3244 Patrick N. Curtin
    EMM ELECTRIC, INC. D/B/A MORAN ELECTRICAL CONTRACTING A, R 12549 Holiday Drive Unit A, Alsip, IL 60803 708 597-9011 Eileen Moran
    EMMRICK ELECTRIC, INC. A 435 W. Miner Street , Arlington Heights, IL 60005 708 323-8627 Julie Melloan
    ENGINEERED SERVICES, INC. D/B/A POWERLINK ELECTRIC A, C 400 Corporate Wood Pkwy. , Vernon Hills, IL 60061 847 850-5666 Doug Pantle
    ENVIRO DYNAMIC SYSTEMS, INC A 127 James Court, Glenview, IL 60025 847 729-4115 Michael Carreon
    ERIK ELECTRIC CORP. D/B/A CHRIS ELECTRIC CORP. A 32947 N. Fairfield Rd. , Round Lake, IL 60073 847 201-1260 Charlotte Christiansen
    ESCO LIGHTING, INC. MAN 3250 N. Kilbourn , Chicago, IL 60641 773 427-7000 Donna Franklin
    EVAN'S ELECTRIC, LLC A 2424 N 25th Avenue, Franklin Park, IL 60131 708 544-4399 Michael Evans
    EVEREST ENERGY AND CONTROL TECHNOLOGIES, LLC A 5401 Patton Drive, Suite 120, Lisle, IL 60538 630 369-7100 Dan Reynolds
    EVERGREEN ELECTRIC CO. A 10012 S. Kedzie Ave., Evergreen Park, IL 60805 708 499-6130 Nancy A. Sheehan
    EXACT ELECTRICAL SERVICES, INC. A 1016 Norwood Lane , Bartlett, IL 60103 630 830-8061 Gwendolyn Zepeda
    EXCEL ELECTRIC, INC. A, C 24 W. Sangmeister, Frankfort, IL 60423 815 464-5550 John Benton
    EXPRESS SIGN & LIGHTING MAINTENANCE, INC. SIGN 212 Amendodge Drive, Shorewood, IL 60404 815 725-9080 Mary T. Hartsell
    EXTRA ELECTRIC, LLC A 10131 S. Turner Avenue , Evergreen Park, IL 60805 630 514-8242 Pamela A. McGivern
    EZ ELECTRIC, INC. A 4812 W. Pea Ridge Rd. , Huntington, WV 25705 304 736-8659 Scott Ward
    F.E. MORAN, INC. FIRE PROTECTION OF NORTHERN IL C 2165 Shermer Rd. Suite D, Northbrook, IL 60062 847 498-4870 Allen Metcalfe Jr.
    FAC ELECTRIC, INC. C PO BOX 399, Tinley Park, IL 60477 708 623-1251 Marianne Silic
    FACTOR ELECTRIC, INC. A 140 Arrowhead Drive Unit 4, Hampshire, IL 60140 847 997-6240 Brian Grosse
    FARRELL ELECTRIC CO. A, C 9640 S. Harding Avenue , Evergreen Park, IL 60805 708 417-8673 Barbara Farrell
    FEDERAL SIGNAL CORPORATION MAN 2645 Federal Signal Drive , University Park, IL 60484 708 534-3400 Jennfier Sherman
    FENNELL ELECTRIC, INC. A 16309 S. 107th Avenue #3, Orland Park, IL 60467 708 535-1000 Patricia Fennell
    FICEK ELECTRIC & COMMUNICATION SYSTEMS, INC. C 12 Gunia Drive , LaSalle, IL 61301 815 223-2775 Jennifer Bias
    FIRETEK, LLC C 188 Larchmont Lane , Bloomingdale, IL 60108 847 417-1102 Steven Whitecotton
    FIRST SECURITY SYSTEMS, INC. A, C 1811 High Grove - Suite # 191 , Naperville, IL 60540 630 961-5900 James Giacchetti
    FITZGERALD'S ELECTRICAL CONTRACTING, INC. A 6S865 Shaw Road , Big Rock, IL 60511 630 556-3000 James K. Fitzgerald
    FOREST ELECTRIC MAN 1301 W Armitage Ave Ste B, Melrose Park, IL 60160 708-681-0180 Alan Spindler
    FOUR STAR ELECTRIC, INC. A 530 Pratt Avenue N. , Schaumburg, IL 60193 847 301-2220 Frances M. Engstrom
    FREEMAN ELECTRICAL, INC. A 8201 West 47th Street , MCCOOK, IL 60525 773 379-5040 Stephen Hagstette
    G & M ELECTRICAL CONTRACTORS COMPANY A, C 1746 N. Richmond Street, Chicago, IL 60647 773 278-8200 Thomas Rivi
    G. M. ELECTRIC, INC. A 500 Armory Drive Suite # 100, South Holland, IL 60473 708 331-4622 George Metanias
    G. S. ELECTRIC COMPANY, INC. A 9910 W. 190th Street Suite 1, Mokena, IL 60448 708 326-4610 Mary Sojka
    G.A.C. ELECTRIC, INC. A 3311 Holeman Ave Unit 3, South Chicago Heights, IL 60411 708 514-0124 Gladys Vehrs
    GALAXY ENTERPRISES, INC. A, R, C 1002 Bonaventure. , Elk Grove Village, IL 60007 847 923-1100 Frank Maida
    GALVANIC ELECTRIC CO., INC. A 4521 S. Saratoga , Downers Grove, IL 60515 630 241-0780 Doreen M. Moseley
    GARDEN ELECTRIC INC A 18636 W. Point Drive , Tinley Park, IL 60477 708 444-0776 Donna Janus
    GEARY ELECTRIC, INC. A, C 3151 Commercial Ave. , Northbrook, IL 60062 847 509-0540 Julie Crawford
    GEM ENTERPRISES, INC. C 700 A Willow Lane, West Dundee, IL 60118 847 344-8240 Michael Breeding
    GEM INTEGRATION, INC. C 305 Cassidy Lane , Elgin, IL 60124 224 535-8701 Lesia Gemelli
    GENESIS ELECTRIC, INC. A 201 S. Wapella Ave. , Mt. Prospect, IL 60056 847 670-2992 Katherine Ehlert
    GEO SERVICES, INC. D/B/A S & H ELECTRIC, COMPANY A, R 1235 E. Davis Street, Suite 100, Arlington Heights, IL 60005 847 255-7300 Julian Rueda
    GIBSON ELECTRIC & TECHNOLOGY SOLUTIONS A, C, M 3100 Woodcreek Drive , Downers Grove, IL 60515 630 288-3800 Dan Fitzgibbons
    GIGALINK, INCORPORATED C 414 N. Northwest Highway , Park Ridge, IL 60068 847 384-9400 Elizabeth Fuller
    GIM ELECTRIC CO. INC. A 4150 N. Milwaukee Ave. , Chicago, IL 60641 773 286-7112 Gim Mah
    GLOBAL EXPERIENCE SPECIALIST, INC. D/B/A TRADES A 6800 Santa Fe Drive , Hodgkins, IL 60525 773 767-2237 Paul Dykstra
    GLOW ELECTRIC CO. A 13551 S. LATROBE AVE. , Crestwood, IL 60445 708 389-7447 Barbara Donnelly
    GOORSKY ELECTRIC, INC. A 20639 S. Amherst Court , Joliet, IL 60433 815 726-1159 Deborah M. Lopata
    GRACE POWER & CONTROL LLC A 0S077 N. Mathewson Lane , Geneva, IL 60134 630 208-5992 Jennifer Renda
    GRAJER ELECTRIC, LLC A 8307 W. Summerdale, Chicago, IL 60656 773 631-4277 Barbara Ottaviano
    GRATE SIGNS, INC. DBA GREAT SIGNS, INC. ES 4044 W. McDonough Street, Joliet, IL 60436 815 729-9700 Cheryl Grate Baron
    GREAT LAKES ELECTRICAL CONTRACTORS, INC. A, C 1316 Old Skokie Valley Rd. , Highland Park, IL 60035 847 831-9229 Richard P. Anderson
    GREAT LAKES ELECTRICAL MAINTENANCE, INC. A 3817 Hayes Street , Gary, IN 46408 219 980-2710 Oliver King
    GREATLINE ELECTRIC, INC. C 17045 Westview Avenue PO Box 1452, South Holland, IL 60473 708 331-8707 Joe Blandford
    GTS ELECTRIC, INC. A 807 Estes Avenue , Schaumburg, IL 60193 847 534-0650 George Kaplanis
    GURTZ ELECTRIC COMPANY A, C, R, M 77 W. Seegers Rd. , Arlington Heights, IL 60005 847 734-2400 Frank Gurtz
    H. M. M. SYSTEMS, INC. A 956 Acres Lane , Des Plaines, IL 60016 708 453-1215 Barbara Murray
    HAMILTON ELECTRIC COMPANY, INC., J. A 1331 Jarvis Ave. , Elk Grove Village, IL 60007 847 640-8077 David Hamilton
    HARD ROCK CONCRETE CUTTERS, INC. A 601 S. Chaddick Drive, Wheeling, IL 60090 847 699-0010 James M. Dvoratchek
    HARDT ELECTRIC INC. A, C 4909 N. Elston Ave. , Chicago, IL 60630 773 685-2200 William Hardt
    HARTMANN ELECTRIC COMPANY, INC. A, C 30 Martin Lane , Elk Grove Village, IL 60007 847 734-1260 William R. Hartmann
    HAYES MECHANICAL, INC. A 5959 S. Harlem Avenue , Chicago, IL 60638 773 784-0000 Terry Ancel
    HECKER & CO., INC. A 250 E. Industrial Lane , Wheeling, IL 60090 847 459-9222 Ronald Burke
    HELM ELECTRICAL SERVICES, INC. A 5303 9th Ave. , Countryside, IL 60525 708 579-1000 Ms. Diane Eminger
    HENRY I. MCJUNKINS D/B/A SWIFT ELECTRICAL CONTRS. A 8926 South Paxton Ave., Chicago, IL 60617 773 221-2041 Henry I. McJunkins
    HESS ELECTRICAL CONSTRUCTION, INC. A P.O. Box 973 , Orland Park, IL 60462 815 478-7153 John Sestak
    HICKEY ELECTRICAL CONTRACTORS, INC. A 15048 S. Cicero , Oak Forest, IL 60452 708 535-1774 Colleen Devos
    HIGH VOLTAGE ELECTRIC TESTING & MAINTENANCE A, S 102 N. Fifth Ave. , St. Charles, IL 60174 630 584-2485 Bart Curtin
    HIGH VOLTAGE MAINTENANCE CORPORATION A, G 941 Busse Road , Elk Grove Village, IL 60007 847 640-0005 Jeff Brattain
    HINSDALE ELECTRIC CO. INC. A, C 1143 N. Main Street , Lombard, IL 60148 630 629-8050 Steven Tagliere
    HLP SYSTEMS, INC. A 426 North Ave. , Libertyville, IL 60048 847 362-0777 Jeffrey A. Harger
    HOME TOWNE ELECTRIC, INC. A 35220 Route 83 PO Box 863, Lake Villa, IL 60046 847 223-2800 Daniel Green
    HOMESTEAD ELECTRICAL CONTRACTING, LLC A 27839 W. Concrete Dr.- Suite A , Ingleside, IL 60041 815 363-1222 David Ahern
    HORIZON CONTRACTORS, INC. A, C, M 712 W. Root Street , Chicago, IL 60607 312 850-3010 Christine Chung
    HUEN ELECTRIC, INC. A, C, R 1801 W. 16th Street , Broadview, IL 60155 708 343-5511 Steven Mayton
    HUSSMANN CORPORATION A 890 Remington Blvd. , Bolingbrook, IL 60440 630 226-4885 Didier P Teirlinch
    HUSTON ELECTRIC, INC. A 1915 E. North Street, Kokomo, IN 46901 765 451-9137 Jon Huston
    HY-POWER ELECTRIC COMPANY A, R 13760 S. Kenton Ave. , Crestwood, IL 60445 708 430-5510 Kathleen Kosteck
    I/O ELECTRIC, LLC A 5347 E. Hwy. 6  Unit D , Portage, IN 46368 219 728-2997 Sonja Zupevec
    ICOM, INC. C 2737 Curtis St. , Downers Grove, IL 60515 630 512-0502 Gerald Nevilee
    ICON IDENTITY SOLUTIONS ES, MAN 1418 Elmhurst Rd. , Elk Grove Village, IL 60007 847 364-2250 Kurt Ripkey
    IDENTITY SERVICES LLC SIGN 1120 W. National , Addison, IL 60101 847 815-3223 Marianne M. Schaner
    ILLINOIS BUSINESS COMMUNICATIONS, INC. C 328 E. Irving Pk. Rd. , Wooddale, IL 60191 630 860-2266 Karen Krebasch
    ILLINOIS J. LIVINGSTON COMPANY A, M 850 Lee Street , Elk Grove Village, IL 60007 312 236-0810 Robert J. Rathmann
    IMG TECHNOLOGIES, INC. A, C 1 Tower Lane, Suite 1850, Oakbrook Terrace, IL 60181 630 737-9800 Michael Curtin, Jr.
    IMPERIAL LIGHTING MAINTENANCE LM 4555 N. Elston Ave., Chicago, IL 60630 773 794-1150 Leon Mendelsohn
    INDEPENDENT MECHANICAL INDUSTRIES, INC. A 4155 N. Knox Ave. , Chicago, IL 60641 773 282-4500 Joseph P. Reynolds
    INFINITY ELECTRICAL GROUP, INC. A, C 439 Julia Street, Lemont, IL 60439 630 243-0959 Mary E. Zeiger
    INTEGRATED CONTROL TECHNOLOGIES, LLC A 450 Fenton Lane Suite 900, West Chicago, IL 60185 630 520-6000 Ken Michaels
    INTEGRATED ELECTRICAL SERVICES, L.L.C. A, C 12621 South Laramie , Alsip, IL 60803 708 839-9424 J ason Vanbeveren
    INTEGRITY POWER & COMMUNICATION, INC. A, C 904 S Roselle Road, Unit 313, Schaumburg, IL 60193 847 815-0051 Karen Ray
    INTERSTATE ELECTRONICS COMPANY C 600 Joliet Rd. , Willowbrook, IL 60521 630 789-8700 Gregory P. Kuzmic
    INTREN, INC. A 18202 W. Union Rd. , Union, IL 60180 815 923-2300 Loretta Rosenmayer
    IPC INFORMATION SYSTEMS, INC. C 440 S. LaSalle Suite # 2150, Chicago, IL 60606 312 332-5500 Timothy Richards
    ISO COMMUNICATIONS, INC. C 6216 Sleepy Hollow Lane , Gurnee, IL 60031 847 856-1540 Paula Wegrzyn
    J.J. JONES & COMPANY, LTD. A, C 400 Gunderson Drive , Carol Stream, IL 60188 630 665-8227 Jonathon Jones
    JAMERSON & BAUWENS ELECTRICAL CONTRACTORS, INC. A, C,M  3160 MacArthur Blvd. , Northbrook, IL 60062 847 291-2000 Richard Jamerson
    JAN ELECTRIC, LLC A 500 East Plainfield Road, Countryside, IL 60525 708 447-9122 Marilyn Moore
    JASCO ELECTRIC CORPORATION A 2750 Barney Court , Mchenry, IL 60050 815 363-5905 Teresa Hagen
    JAY ELECTRIC COMPANY A 2913 W. Cermak Rd. , Chicago, IL 60623 773 277-3100 Joann M. Jawor
    JAYMOR ELECTRIC, INC. A 2516 Waukegan Road #373 , Glenview, IL 60025 847 265-0430 Maureen F. Jung
    JB CONTRACTING CORPORATION A 2999 St. Vincent Ave PO Box 1309, Lasalle, IL 61301 815 223-9800 James Brady, Sr.
    JBC ELECTRIC COMPANY/MARC REALTY, LLC A 3105 W. Fargo Avenue , Chicago, IL 60645 847 922-5820 MIRCEA OLARIU
    JC POWER & CONTROL, INC. II A 40 Martin Lane, Elk Grove Village, IL 60007 847 593-5060 Allan R. Erlandson
    JIN ELECTRIC COMPANY A 4468 N. Elston Ave. , Chicago, IL 60630 773 777-9992 Simon Jin
    JESSY LIMITED C 1360 Sandburg Terrace, Suite 1206, Chicago, IL 60610 847 831-4561 Warren Schoen
    JJC ELECTRIC LLC A, C 10918 S. Western Avenue, Suite #8, Chicago, IL  60643 773 218-1028 Jeese Taylor
    JLH ELECTRIC, INC. A 10301 S. Kilbourn , Oak Lawn, IL 60453 312 661-2500 Jennifer O'Keefe
    JM POLCURR, INC. A, C, R 10127 W. Roosevelt Rd. , Westchester, IL 60154 708 450-1156 John Marquez
    JMS ELECTRIC, INC. A, C, R, LM, M 871 East State Pkwy. , Schaumburg, IL 60173 847 352-3070 Nicholas Santoro
    JMS ELECTRICAL CONSTRUCTION, INC. A 1801 WELLINGTON DR. , NEW LENOX, IL 60451 815-693-6901 Sharon Weitendorf
    JNS POWER & CONTROL SYSTEMS, INC. A 830 Senton Court, Wheeling, IL 60090 773 467-8180 Jean Howe
    JOHN BURNS ELECTRIC COMPANY A 17601 Southwest Highway, Orland Park, IL 60467 708 326-3500 William J. O'Malley
    JOLEN ELECTRIC AND COMMUNICATIONS, INC. A, R 3259 Holeman Avenue , South Chicago Heights, IL 60411 815 726-3528 Laurie Wilocki
    JONES ELECTRICAL A P.O. Box 41037 , Chicago, IL 60641 773 725-1555 Deborah K. Jones
    K&K ELECTRICAL CONTROL, INC. A 5623 W. 120th Street , Alsip, IL 60803 708 385-7300 Patricia Knightly
    K. L. ELECTRIC CO., INC. A, C 1490 Bernard Dr., Unit C PO Box 1098, Addison, IL 60101 630 261-0025 Filomena Klco
    K.L.A. LABORATORIES, INC. C 6800 Chase Road , Dearborn, MI 48126 313 846-3800 Matthew O'Bryan
    KALISH ELECTRIC CO. A 504 Lunt, Unit A , Schaumburg, IL 60193 847 534-1267 Laura Kalish
    KASSC, INC. D/B/A C & C COMMUNICATIONS C 17243 Grange Drive , Orland Park, IL 60467 708 478-7400 Karen Cody
    KASTLE CHICAGO LLC C 225 W. Wacker Dr., Suite 300 , Chicago, IL 60606 312 849-8800 Todd Leggett
    KAVANAUGH ELECTRIC, INC. A, C, R 9511 Corsair Rd. Suite B, Frankfort, IL 60423 708 503-1310 Alicia Kavanaugh
    KBCOM, INC. D/B/A KB ADVANCED TECHNOLOGIES CO. A, C 5200 Newport Drive, Rolling Meadows, IL 60008 312 447-5750 Stefan Lopata
    KC ELECTRICAL CONSTRUCTION A 4907 147th St. , Midlothian, IL 60445 708 687-8395 Dan Klaus
    KELLENBERGER ELECTRIC, INC. A, C 1540 Fleetwood Dr. , Elgin, IL 60123 847 888-8192 Timothy Kellenberger
    KELSO-BURNETT CO. A, C 5200 Newport Drive, Rolling Meadows, IL 60008 847 259-0720 Stefan Lopata
    KENDON ELECTRIC, INC. A 28835 N. Herky Drive Suite 113, Lake Bluff, IL 60044 847 918-0382 Kenneth Weirich
    KEVIN ELECTRIC CO. A 6140 W. 167th St. , Tinley Park, IL 60477 708 532-4800 Nancy M. Martello
    KLASS ELECTRIC COMPANY, INC A, C 101 Kelly Street UNIT C, Elk Grove Village, IL 60007 847 437-5555 Lynda Glass
    KOBOTECH, INC. G 8 S. Michigan #810, Chicago, IL 60603 312 263-0074 Dan Kobayashi
    KOEHLER ELECTRIC CO., INC. A 47 Sanga Court , Streamwood, IL 60107 630 372-8602 William Wayda
    KORDICK ELECTRIC COMPANY, INC. A, R 255 Anthony Trail , Northbrook, IL 60062 847 291-9990 Wilma Lauer
    KRATOS PUBLIC SAFETY & SECURITY SOLUTIONS, INC. A, C 4820 East gate Mall Suite 200, San Diego, CA  Eric DeMarco
    KRAUSE ELECTRICAL CONTRACTORS INC. A 13921 W IL Rte. 173 , Zion, IL 60099 847 395-8774 Christine Hucker
    KREYKES ELECTRIC, INC. A 2152 E. Glenwood-Dyer Rd. , Lynwood, IL 60411 708 895-0022 George Kreykes
    KROESCHELL ENGINEERING COMPANY, INC. A 3222 N. Kennicott  , Arlington Heights, IL 60004 312 649-7980 Edward Swietek
    KWASIGROCH ELECTRIC, INC. A, C 10719 W. 163rd Place , Orland Park, IL 60462 708 403-7808 Mary Jo Kwasigroch
    L & S ELECTRIC CO., INC. A 750 131st Place , Hammond, IN 46327 219 932-8504 Ronald Lubas
    L.L.D. ELECTRIC CO. A 1040 Portsmouth Circle P.O. Box 228, Gurnee, IL 60031 847 856-1553 Wendy Morton
    LACROSSE ELECTRIC COMPANY A, C 6650 N. Avondale , Chicago, IL 60631 630 595-0200 William Maturno
    LAKESHORE POWER & LIGHT INCORPORATED A 15533 S. 70th Ct. , Orland Park, IL 60462 708 263-0951 Colleen Hall
    LAKESIDE ELECTRIC, INC. D/B/A LOMBARDI ELECTRIC, INC. A, C 161 Covington Drive, Suite 100 , Bloomingdale, IL 60108 630 825-0223 Linda Y. Lombardi
    LAMARCHE ELECTRIC COMPANY A, C 1951 Airway Ct., Unit 1 , New Lenox, IL 60451 815 463-0306 Pamela La Marche
    LAUDERDALE ELECTRIC, INC. A, R 205 Prairie Lake Road SUITE A, East Dundee, IL 60118 847 4269900 Roxanna Lauderdale
    LAURA GAWEL D/B/A RLG POWER & CONTROL A 1805 Sunrise Ct. , Naperville, IL 60565 630 548-4582 Laura Gawel
    LETECH INC. A, R 39745 N. Dilleys Road , Wadsworth, IL 60083 262 653-9300 Don Larsen
    LEYDEN ELECTRIC, INC. A, C, G, CT 604 E North Street Suite A, Elburn, IL 60119 630 365-0200 Lisa Janine Leyden
    LIGHTHOUSE ELECTRIC, INC. A 35 Country Manor Lane , Orland Park, IL 60467 708 448-2860 Shannon Buer
    LIGHTNING COMMUNICATIONS, INC. A, C 34097 Homestead Court, Gurnee, IL 60031 847 855-9139 Juliette Triebe
    LINDQUIST ELECTRIC CO. A 983 Great Falls Drive , Volo, IL 60020 815 307-3066 Dawn Lindquist
    LINEAR ELECTRIC, INC. A 15346 S. 70th Court , Orland Park, IL 60462 708 687-8850 Dorothy Fimbianti
    LITGEN CONCRETE CUTTING & CORING CO., INC. A 1020 Nerge Rd. , Elk Grove Village, IL 60007 847 923-5600 William R. Litgen
    LIVEWIRE ELECTRICAL SYSTEMS INC A, C, LM 12900 S. Throop, Calumet Park, IL 60827 708 535-6001 Shon Harris
    LNK TECHNOLOGIES, LLC A 904 S. Roselle Rd. #336 , Sshaumburg, IL 60193 630 973-7440 Luanne Smith
    LOW LINE TECHNOLOGIES, INC. C 5324 Mourning Dove Circle, Richmond, IL 60071 847 363-8493 Lisa LaRock
    LOW VOLTAGE SOLUTIONS, INC. C 16706 Advantage Avenue , Crest HIll, IL 60403 630 434-9600 Gary St. Cin
    LUMEN ELECTRIC INC. A, R 117 S. Cook Street #304, Barrington, IL 60010 847 540-6300 Denise Sebastiano
    LYONS ELECTRIC COMPANY, INC. A 650 E. Elm Avenue PO Box 749, LaGrange, IL 60525 708 588-6800 William Darnstadt
    M & R ELECTRONIC SYSTEMS, INC. C 515 Bond Street , Lincolnshire, IL 60069 847 398-6240 Richard Superfine
    M.G. ELECTRIC SERVICE COMPANY A 1450 E. Algonquin Road, Arlington Heights, IL 60005 847 439-7500 Ronald Desideri
    M.J. ELECTRIC LLC A 200 W. Frank Pipp Drive PO BOX 686, Iron Mountain, MI 49801 906 774-8000 Stephen Reiten
    M.T. KELLEY ELECTRIC, LLC A, M 9845 Rutherford Ave , Chicago Ridge, IL 60415 708 396-9760 Gene Kelley
    MBD ENTERPRISES, INC. D/B/A HANSEN ELECTRICAL SERVICE A 19230 S. BLACKHAWK PARKWAY, UNIT 70, MOKENA, IL 60448 708-323-9424 John Baio
    MACFARLANE ELECTRIC LLC A 9720 S. Hamlin Avenue , Evergreen Park, IL 60805 708 408-7391 Rebecca MacFarlane
    MALKO COMMUNICATON SERVICES, LLC. A, C 5401 Fargo Avenue , Skokie, IL 60077 847 626-6600 Eric Nixon
    MALLARD ELECTRIC COMPANY, INC. A 9 Ellington Drive , Schaumburg, IL 60194 847 344-9798 William Taylor
    MANOR ELECTRIC COMPANY, INC. A 4419 S. Karlov Ave., Chicago, IL 60632 773 218-0063 Anne Kus
    MARCHIONE ELECTRIC, INC. A, M 3242 Wireton Rd. , Blue Island, IL 60406 708 388-6352 Patricia Marchione
    MARON ELECTRIC COMPANY A, C, R 5401 W. Fargo Ave , Skokie, IL 60077 847-626-6500 Eric Nixon
    MARTIN ELECTRICAL CONSTRUCTION COMPANY CO. A 601 W. McLean Ave. , Bensenville, IL 60106 630 766-3255 Peter Onnezi
    MB REAL ESTATE SERVICES LLC M 181 W. Madison , Chicago, IL 60602 312 558-3828 Eve West, Dir. HR
    MCGINN & MCGINN, INC. D/B/A ENGEL ELECTRIC CO. A 1514 W Fourth Street, Sterling, IL 61081 815 625-5949 Kevin J. McGinn
    MCMAHON ELECTRIC INC. A 1600 N. Milwaukee Suite 507, Lake Villa, IL 60046 847 714-7956 Rebecca McMahon
    MCWILLIAMS ELECTRIC COMPANY, INC. A, C 1401 Rodenburg Road , Schaumburg, IL 60193 847 301-2600 James J. McGlynn, Sr.
    MDI ELECTRICAL CONSTRUCTION INC. A, C 12300 S. Keeler Ave. , Alsip, IL 60803 708 597-0111 Robert Heiderscheidt
    MEADE ELECTRIC COMPANY, INC. A, C 9550 W. 55th St., Suite A Suite A, McCook, IL 60525 708 588-2500 Frank J. Lizzadro
    MEANY INC. A, C 17401 S. Laflin , East Hazel Crest, IL 60429 708 957-0400 Daniel Dominy
    MECHANICAL SYSTEMS, INC. D/B/A CONTECH-MSI CO. A, C, F 5200 Newport Drive, Rolling Meadows, IL 60008 847 342-9932 Stefan R. Lopata
    MECO ELECTRIC CO., INC. A, MAINT 3715 W. Belmont Ave., Chicago, IL 60618 773 463-7800 Paul Michaelsen
    MEDLIN COMMUNICATIONS, INC. C 16W235 83rd Street, Unit C, Burr Ridge, IL 60527 630 734-7300 Jay Medlin
    MEERSMAN ELECTRIC LTD. A 5920 N. East Circle Ave. , Chicago, IL 60631 773 631-2158 Elizabeth C. Meersman
    MEL-KAY ELECTRIC COMPANY, INC. A 1511 N. Garvin Street , Evansville, IN 47711 812 423-1128 Linda Garrett
    MERCHANDISE MART PROPERTIES, INC. M 222 Merchandise Mart Plaza Suite 470, Chicago, IL 60654 201 587-1000 Myron Maurer
    MERIT ELECTRIC, LLC A, R 1455 West Hubbard St. , Chicago, IL 60642 312-600-9366 Peter Maris
    METROPOLITAN CHICAGOLAND SWITCHBOARDS SM 5550 McDermott Drive , Berkeley, Il 60163 708 449-2270 Bill Zastawny
    METROPOLITAN PIER & EXPOSITION AUTHORITY A, C 301 E Cermak Road, Chicago, IL 60616 312 791-6176 Lori T. Nealey
    MICHELS CORPORATION D/B/A: MICHELS POWER A 1775 E. Shady Lane , Neenah, WI 54956 920 720-5200 Pat Michels
    MIDCO INC. C 221 Shore Court, Burr Ridge, IL 60527 630 887-1800 Paul Janik
    MIDWEST AUDIO VIDEO SYSTEMS, LLC C 50 Lake Blvd. Suite #674, Buffalo Grove, IL 60089 847 224-1986 Donna Mermel
    MIDWEST COMMUNICATIONS TECHNOLOGIES, INC. D/B/A BL C 851 Busse Rd. , Elk Grove Village, IL 60007 847 439-5000 Anita Fletcher
    MIDWEST CORTLAND INC. MANUF 235 Laura Drive , Addison, IL 60101 847 671-0376 Thomas Novello Jr
    MIDWEST INTERSTATE ELECTRICAL CONSTRUCTION CO. A, C, M 1355 W. North Ave. , Chicago, IL 60642 773 342-2600 Peter Chaput
    MIDWEST MECHANICAL GROUP, INC. A 801 Parkview Blvd., Lombard, IL 60148 630 850-2300 Tony Ponzo
    MIDWEST SIGN & LIGHTING, INC. SIGN 4910 W Wilshire Blvd. , Country Club Hills, IL 60478 708 365-5555 Billy D. Brooks
    MIDWESTERN ELECTRIC CO., INC. A, R 15550 S. Kedzie Avenue , Markham, IL 60428 708 333-9841 Gerardo Garcia
    MIDWESTERN ELECTRIC, INC. A 1620 E. Chicago Avenue , East Chicago, IN 46312 219 397-4444 Ryan Rentschler
    MILLER ENGINEERING CO. A 1616 S. Main St. , Rockford, IL 61102 815 963-4878 Henry H. Fortney
    M-K SIGNS, INC. SIGN 4900 N. Elston Ave. , Chicago, IL 60630 773 545-4444 Anthony Cilia
    MODERN SIGNS INC. SIGN 1727 W. Armitage Ct , Addison, IL 60101 630 495-1725 William T. Leahy
    MOHAWK ELECTRIC CONSTRUCTION COMPANY A 5520 W. Montrose Ave. , Chicago, IL 60641 773 777-4200 Patrick Finlon
    MOLITE ELECTRIC INC A 11207 S Sangamon Street, Chicago, IL 60643 773 568-2900 Candyce Calral
    MONTEL TECHNOLOGIES, LLC C 200 Prairie Street, Suite 202, Rockford, IL 61107 815 966-1267 Ray Montelongo
    MORRIS KURTZON, INCORPORATED MAN 1420 S. Talman, Chicago, IL 60608 773 277-2121 Kamla Koch
    MORSE ELECTRIC INCORPORATED A, C 500 West South Street, Freeport, IL 61032 815 599-5000 Lou Rotello
    MRH METERS, LLC (ACLARA METERS) MAN 900 W. 40th St. , Chicago, IL 60609 773 247-6400 Michael Garcia
    MTS TITAN ELECTRIC LLC A, C, R, M 1050 SPRING LAKE DR , Itasca, IL 60143 630 530-4422 Michael McInerney
    MUNDO ELECTRIC CO. A, C 5313 S. Natoma Avenue , Chicago, IL 60638 630 514-5328 Grace Lucio
    MUZAK LLC C 1703 West 5th Street Ste. 600, Austin, TX 78703 630 782-6800 Mindy Hopp
    MZI ELECTRIC, INC. A, C, LM 1937 W. Fulton Street , Chicago, IL 60612 312 492-8740 Arthur Miller
    NABCO ENTRANCES, INC. DOOR S81W18475 Gemini Drive, Muskego, WI 53150 866-702-3667 Linda Anderson
    NAT TECH, LLC DBA NATIONAL TECHNOLOGIES NTI A, C 1350 W. Washington St. , West Chicago, IL 60185 630 851-7751 Tenesha James
    NESKO ELECTRIC COMPANY A, C 3111 S. 26th Ave. , Broadview, IL 60155 708 681-6116 Thomas Luby Sr.
    NEW FRONTIER ELECTRICAL CONSTRUCTION INC. A, C PO Box 2251 , Joliet, IL 60434 815 260-9473 James V. Foster
    NEWCASTLE ELECTRIC, INC. A 125 Howe Terrace, Barrington, IL 60010 847 417-9805 Theresa Maloney
    NEWFIELD ELECTRIC A 31 Prairie Pointe Lane , Streamwood, IL 60107 630 855-0880 Kenneth Newfield
    NEXTIRAONE, LLC C 5050 Lincoln Dr Suite 300, Minneapolis, MN 55436 952 352-4014 Alan Perry
    NICHOLSON ELECTRIC, INC. A 1225 Fulton Ave , Rockford, IL 61103 815 968-3081 Diana Hoover
    NORMAN ELECTRIC, INC. A 3149 Glenwood Dyer Rd. , Lynwood, IL 60411 708 757-6006 Glenn Norman
    NORTH AMERICAN TECHNOLOGIES CO., INC. A 8434 Corcoran RD. #200 , Willow Springs, IL 60480 708 839-8101 Jon O'Connor
    NORTHWEST COMMUNICATIONS INC. C 1421 E 91st Drive, Merriville, IN 46410 219 756-4233 Mark Lazerwitz
    NORTHWEST TECHNICAL A 370 E. Prairie St. Suite 8 , Crystal Lake, IL 60014 815 459-6180 Richard Angsten
    NT INDUSTRIES, INC. MAN 471 S. Lively Blvd. , Ellk Grove Village, IL 60007 847 451-6500 Jim MacLagan
    NUCORE ELECTRIC, INC. A, M 651 S. Sutton Road, Suite 305, Streamwood, IL 60107 630 517-0073 Diana Gunsteen
    NU-TECH ELECTRIC, INCORPORATED A 15774 S. La Grange #102 , Orland Park, IL 60462 708 768-1962 Christina Livieratos
    NU-WAVE ELECTRIC, INC. A 40 W 890 Dillion Field Drive #7   POB 7, LaFox, IL 60147 630 262-1620 President
    NYC COMMUNICATIONS LLC C 11516 W. 197th Street , Mokena, IL 60448 708 479-7252 Jacqueline Correa
    O.C.E.M. ACQUISITION CORP. D/B/A MULTI ELECTRIC MAN 4223-43 West Lake St. , Chicago, IL 60624 773 722-1900 Giuseppe Giussani
    O'CARROLL ELECTRICAL CONTR., INC. A 347 Sola Drive , Gilberts, IL 60136 847 836-7321 Maureen O'Carrol
    OKEH ELECTRIC COMPANY A 825 University Drive , Arlington Heights, IL 60004 847 577-7744 Joan Fergus
    OLYMPIC SIGNS, INC. ES 1130 N. Garfield St. , Lombard, IL 60148 630 424-6100 Robert J. Whitehead
    OMEGA ELECTRIC CO., INC. A, C 450 Bennett Rd. , Elk Grove, IL 60007 847 228-5559 Anthony Louis Anasenes
    OPC COMMUNICATIONS, INC. A, C 9654 W. 131st Street #218 , Palos Park, IL 60464 708-671-0218 Janet Moran
    ORLAND ELECTRIC CO., INC. A 11730 W. 187TH Street PO Box 896, Mokena, IL 60448 708 532-8606 Christine Stroh
    P & H ELECTRIC CORP. A 7892 E. Berry View Drive , Stillman Valley, IL 61084  815 332-2268 Steven Pierce
    P. K. ELECTRIC ENTERPRISES, LIMITED A 911 W. Haven Drive , Arlington Heights, IL 60005 847 797-1112 Georgia Kougias
    PACE SYSTEMS, INC. A, C 2040 Corporate Lane , Naperville, IL 60563 630 395-2255 Wayne Liu
    PAGODA ELECTRIC & CONSTRUCTION, INC. A, C, R 1728 Cornell Rd. , Flossmoor, IL 60422 708 263-9540 Vincent Mills
    PALOS ELECTRIC COMPANY, INC. A, C 14030 S. Kildare Avenue , Crestwood, IL 60445 708 385-0063 Barbara Bulow
    PARKVIEW ELECTRIC CO., INC. A, R 15920 W. Chancellor Drive , Homer Glen, IL 60491 815 834-1994 Janet M. Volkman
    PATRICK ELECTRIC ENTERPRISES INC. A 720 Industrial Dr., #136 , Cary, IL 60013 847 516-0004 Linda Crowley
    PCS POWER & COMMUNICATIONS SOLUTIONS D/B/A KEL-TECH ELECTRIC COMPANY A 279 East Helen Rd. , Palatine, IL 60067 847 818-8100 Edward Del Castillo
    PEAK ELECTRIC, INC. A, C 8400 S. 77th Avenue , Bridgeview, IL 60455 708 233-1600 Susan M. Gullickson
    PEARSON ELECTRIC, INC. A, C 8315 W. 119th Street , Palos Park, IL 60464 708 448-4005 Kimberly Pearson
    PENTEGRA SYSTEMS, LLC C 780 W. Belden Avenue STE. A, Addison, IL 60601 630 941-6000 Greg Augspurger
    PEPSIAMERICAS, INC. G 1400 W. 51st Street , Chicago, Il 60609 847 394-7680 Andrea Beauvais
    PETERS ELECTRIC & TECHNOLOGY, INC. A 9N054 Barron Road , Maple Park, IL 60151 815 899-1450 Melanie Peters
    PHILIPS LIGHTING NORTH AMERICA CORPORATION MAN 11500 Melrose Ave. , Franklin Park, IL 60131 708 451-0700 Michelle Barbarone
    PHOENIX BUSINESS SOLUTIONS LLC A, C 12543 S. Laramie , Alsip, IL 60803 708 388-1330 Peggy Hrindak
    PHOENIX ELECTRICAL CONTRS. A, R 5154 N. Clark St., Suite 229 , Chicago, IL 60640 773 275-4400 Dorin Candea
    PHOENIX SYSTEMS & SERVICE A, C 362 S. Schmale Road , Carol Stream, IL 60188 630 860-9501 Daniel Gardner
    PHOTON ELECTRICAL SYSTEMS, INC. A, R 5354 N. Milwaukee Ave. , Chicago, IL 60630 773 775-8210 Elizabeth Pikul
    PIEPER ELECTRIC, INC. A, C 5477 S. Westridge Ct. , New Berlin, WI 53151 414 462-7700 Rick Parra
    PINNACLE ELECTRIC INC. D/B/A P.E.I., ELECTRICAL CONTRACTORS, INC. A 6859 W. 176th Street POB 231, Tinley Park, IL 60477 708 633-0459 Kathleen Chambers
    PINNACLE SERVICES, INC. A, C, M 1325 Industrial Drive Unit D, Itasca, IL 60143 630 773-8660 Lori Olander
    PLATINUM COMMUNICATIONS, L.L.C. C 543 Bloomfield Circle , Geneva, IL 60134 630 777-7501 Jane Thompson
    POLAM ELECTRIC, INC. A 3409 Meadow Lane, Glenview, IL 60025 847 904-7331 Marian Mrugala
    PORTABLE COMMUNICATION SYS., INC. D/B/A PCS CABLE & WIRELESS SOLUTIONS C 279 E. Helen Rd. , Palatine, IL 60067 847 818-8100 Edward Del Castillo
    POWER DISTRIBUTION EQUIPMENT CO., INC. SM 3010 Willow , Franklin Park, IL 60131 847 455-2500 John Gandy
    PRECISION CONTROL SYSTEMS OF CHICAGO, INC. A 1980 University Lane , Lisle, IL 60532 630 521-0234 William B. Gushurst
    PRECISION CONTROL SYSTEMS, INC, A 405 East Ridge Road , Griffith, IN 46319 219 838-1177 Andrew J. Arnold
    PREFERRED ELECTRICAL CONSTRUCTION CORP. OF ILLINOIS A, C 55 N. Garden , Roselle, IL 60172 630 893-3444 Anthony Mulizio
    PREMIER ELECTRIC CO., INC. A, C, R, M 2424 N 25th Ave., Suite 102, Franklin Park, IL 60131 773 775-7555 Mary Anne Martin
    PREMIER POWER PROFESSIONAL, INC. A 1914 Albert Street, Racine, WI 53404 262 632-2800 Chris Laux
    PREMIER TECHNOLOGY GROUP, INC. C 15507 South 70th Court, Orland Park, IL 60467 708 557-4429 Helenanne Stanish
    PREMIUM ELECTRIC SERVICES, INC. A, C 655 Lunt Avenue , Schaumburg, IL 60193 847 524-1507 Mark Deetjen
    PRIME COMMUNICATIONS 1, INC. C 333 W. Wacker Drive Ste 2400, Chicago, IL 60606 312 364-0303 Lynda Petlak
    PRIME ELECTRIC CO., INC. A, C, M 2251 West Grand Avenue , Chicago, IL 60612 312 433-9111 Mike Magee
    PRO ARC ELECTRICAL CONSTRUCTION, CO. A 1229 E. Algonquin, Unit B , Arlington Heights, IL 60005 847 427-1111 Dominic J. Rossi
    PROGRESS ELECTRIC CO. A 5722 S. Central Ave. , Chicago, IL 60638 773 767-5533 Ronald S. Arnashus
    PROSPECT ELECTRIC COMPANY A 234 East Lincoln St. , Mt. Prospect, IL 60056 847 506-8900 Marilyn Van Wetering
    PROTEX INSTALLATIONS C 1824 Danielle Lane, Belvidere, IL 61008 847 878-3126 Don Black
    PROTON ELECTRIC CORPORATION A 9616 W. 56th Street, Countryside, IL 60525 708 906-3846 Antonio Contreras
    PROVIDENCE ELECTRIC, INC. A 18533 Walter Street , Lansing, IL 60438-3240 708 895-3935 Marvin H. DeVries
    PUBLIC ELECTRICAL CONSTRUCTION CO., INC. A 415 Harvester Ct. , Wheeling, IL 60090 847 520-5700 James Streitenfeld
    Q.I.S. INCORPORATED C 10938 S. Western Ave., Chicago, IL 60643 773 445-0120 Michael Norris
    QUALITY SAW & SEAL INC. A 7600 W. 79th Street , Bridgeview, IL 60455 708 728-1895 Rita Fox
    QUAM-NICHOLS COMPANY MAN 234 East Marquette Rd , Chicago, IL 60637 773 488-5800 Bruce Arndt
    QUANTUM CROSSINGS, L.L.C. A, C, LM, M 111 E. Wacker Suite 990, Chicago, IL 60601 312 467-0065 Roger J. Martinez
    QUICK ELECTRIC CO. INC. A 8200 S. Newland Ave. , Burbank, IL 60459 708 599-1685 Barbara A. Quick
    R. EAGLE ELECTRIC, INC. A 19 South Center Street , Bensenville, IL 60106 630 787-1080 Janet Winters
    R.A.M. ELECTRIC, LLC A 3850 W. 92nd St. , Evergreen Park, IL 60805 773 299-2183 Marjorie Pietkiewicz
    RAD ELECTRIC LLC A 495 Burnham , Calumet City, IL 60409 708 933-0734 Rodney Brown
    RAG'S ELECTRIC, INC. A 6805 Hobson Valley Drive, Suite 105, Woodridge, IL 60517 630 739-7247 Matthew Knutte
    RANDEL ELECTRIC, INC. A 2307 W. North Ave. , Chicago, IL 60647 773 342-0383 Tobey Sheridan
    RANGER ELECTRIC, INC. A 11535 183rd Place, Unit 109, Orland Park, IL 60467 708 478-8508 Sharyn McCarthy
    RAPTOR INDUSTRIES, INC. A, C 1602 N. Park Drive, Mt. Prospect, IL 60056 708 417-9190 Gina M. Kalama
    RAULAND-BORG CORPORATION MAN 1802 West Central Road , Mt. Prospect, IL 60056 847 590-7100 Norman Kidder
    RED HAWK SECURITY SYSTEMS, LLC dba RED HAWK FIRE & SECURITY C, FIRE 8160 S. Madison Street , Burr Ridge, IL 60527 708 239-1670 Torrence Henry
    RENAISSANCE COMMUNICATION SYSTEMS, INC. A, C, M 3509 Martens St. , Franklin Park, IL 60131 847 671-1340 Nancy M. Shares
    REPAIR SERVICE ELECTRIC, INC. A 343 S. Lively Blvd. , Elk Grove, IL 60007 847 593-9600 Amber Emmert
    REX ELECTRIC & TECHNOLOGIES, LLC A, C, R, LM, M 200 West Monroe Suite 1700, Chicago, IL 60606 312 251-3620 Michael Segreti
    RICHMOND ELECTRIC COMPANY, INC. A 8200 Janes Avenue , Woodridge, IL 60517 630 541-5210 Joseph C. Lenc
    RIDGEVIEW ELECTRIC, INC. A 1400 Ridgeview Drive, McHenry, IL 60050 815 385-8282 Joseph W. Carey
    RISE ELECTRIC LLC A 1944 W. Thomas Street, Unit 1, Chicago, IL 60622 773 489-1929 Jason P. Gilles
    RJL GROUP, INC. A 4828 W 128th Place, Alsip, IL 60803 708 857-1991 Danielle Lyons
    RLM ELECTRIC, INC. DBA ACCESS ELECTRIC, INC. A 551 Roosevelt Road, #325, Glen Ellyn, IL 60137 773 617-6257 Marlene Kreeger
    RLT, INC. A PO BOX 557 , Okauchee, WI 53069 262 679-9588 Donald Edler
    RO PRO ELECTRIC CO., INC. A 940 S. Thomas Avenue , Forest Park, IL 60130 708 488-1130 Belinda Frazier
    RON JONES ELECTRIC, INC. A 695 Schneider Drive , South Elgin, IL 60177 847 695-7500 Terry Jones
    ROOSEVELT UNIVERSITY M 430 S. Michigan Ave. Room 344, Chicago, IL 60605 312 341-3500 Toyia K. Stewart
    ROSSET ELECTRIC COMPANY A, R 1754 N. Paulina , Chicago, IL 60622 773 486-6210 Sherwin Rosset
    ROUGHNECK CONCRETE DRILLING & SAWING A 8400 Lehigh Ave. , Morton Grove, IL 60053 847 966-6666 Karen E. Johnson
    RTG ELECTRIC CORPORATION A 17201 Constance , South Holland, IL 60473 773-796-4204 Randy T. Green
    RUDER ELECTRIC, INC. A, C, R 1075 Lesco Rd. , Kankakee, IL 60901 815 932-8660 David Ruder
    RYAN ELECTRICAL SERVICES, INC. A, M 16308 S. 107th Avenue, Unit 5, Orland Park, IL 60467 708 403-1049 Elizabeth Ryan
    RYORIK, INC. D/B/A BURNETT TECHNOLOGY A, C 6 S. 865 SHAW RD. , Big Rock, IL 60511 630 556-9100 James K. Fitzgerald
    S & D ELECTRICAL CONTRS., INC. A 6 N 513 Andrene Lane , Itasca, IL 60143 630 250-7719 Paula L. Durante
    S & G COMMUNICATIONS, INC. C 17W715 Butterfield Road Ste. D, Oakbrook Terrace, IL 60181 847 459-1220 Jack Bush
    S AND M ELECTRIC, INC. A 5910 W. 35th St. , Cicero, IL 60804 708 780-8177 Natalie Crowley
    SAI ADVANCED POWER SOLUTIONS, INC. SM 618 Lamont Rd. , Elmhurst, IL 60126 708 450-0990 David Martin
    SARGENT ELECTRIC COMPANY A 2767 Liberty Avenue , Pittsburgh, PA 15222 412 394-7488 Mark Guess
    SCHNEIDER ELECTRIC BUILDINGS AMERICAS, INC. A, C, M 17475 Palmer Blvd. , Homewood, IL 60430 708 271-4700 Jeffrey Drees
    SECOND CITY ELECTRICAL CORP. A 2131 Lake Avenue, Wilmette, IL 60091 312 907-6906 Bekim Redzic
    SECURITY ELECTRONICS CORPORATION C 13280 Monix Drive , St. John, IN 46373 219 365-1005 Michelle Manchak
    SECURITY UNLIMITED, INC. C 9226 Gulfstream Road , Frankfort, IL 60477 815 469-6616 Carol Camerino
    SEICO, INC.D/B/A SEICO SECURITY SYSTEMS C 132 Court Street , Pekin, IL 61554 309 347-3200 Albert Juergens
    SHAMBAUGH & SONS, L.P. A, C 7614 Opportunity Drive , Fort Wayne, IN 46825 260 487-7777 Paul Meyers, Jr.
    SHAMROCK ELECTRIC COMPANY, INC. A, R 1281 East Brummel Avenue, Elk Grove Village, IL 60007 847 593-6070 John T. O'Shea
    SHARLEN ELECTRIC COMPANY A, C, R 9101 S. Baltimore , Chicago, IL 60617 773 721-0700 William J. Cullen
    SHELDON INVESTMENT GROUP, INC. D/B/A SCAN-AM COMPANY C 1320 Chase St., Suite#6 , Algonquin, IL 60102 847 854-9500 Dan Sheldon
    SHIELD ELECTRIC, INC. A 139 Chesterton Drive, Volo, IL 60020 815 403-2050 Margaret Capotosto
    SHILLELAGH ELECTRIC, INC. A 8190 W. 129th St. , Palos Park, IL 60464 708 824-9993 Kathleen T. Murphy
    SHORELINE ELECTRIC CO., INC. A 515 N. Wolf Rd. , Wheeling, IL 60090 847 419-7755 Gayle M. Esposito
    SHOULDICE INDUSTRIAL MANUFACTURERS AND CONTRACTORS, INC. A 182 Elm Street, Battlecreek, MI 49014 269-962-5579 David VanMiddlesworth
    SIEVERT ELECTRIC SERVICE AND SALES CO. A, C 1230 S. Hannah Ave, Forest Park, IL 60130 708 771-1600 Peter Sievert
    SIMON ELECTRICAL CONTRACTORS, INC. A 2926 N. Lincoln Ave., Chicago, IL 60657 773 472-4666 Patrice Ann Simon
    SKITCH ELECTRIC CO. A, C 1105 Stratford Court Unit D, Elgin, IL 60120 224 629-4100 Tiffany Bartocci
    SMC ELECTRICAL CORPORATION A 185 S. Lively Blvd , Elk Grove Village, IL 60007 847 290-8500 FRED MARCH
    SMG SECURITY SYSTEMS, INC. C 120 King St. , Elk Grove Village, IL 60007 847 593-0999 Rich Sitarski, V.P.
    SONOMA ELECTRICAL SERVICES, INC. A 103 Ford Drive , New Lenox, IL 60451 815 320-3222 Bernard Powers
    SOUND OF MUSIC SYSTEMS C 4 Frances Avenue, Mundelein, IL 60060 847 566-4461 Rich H. Cushing
    SOUND, INCORPORATED C 1550 Shore Road, Naperville, IL 60563 630 369-2900 Greg Love
    SPAAN TECH, INC. DBA SPAAN TECHNOLOGY, INC. A, C, Specialty Maintenance 311 S. Wacker Dr. Suite 2400, Chicago, IL 60606 312 277-8800 Smita N. Shah
    SPECIAL POWER, INC. A 1226 18th Avenue P.O. Box 5026, Rockford, IL 61104 815 962-1210 Joseph S. Eaton
    SPUR ELECTRICAL, INC. A 4301 S. Packers Ave., Chicago, IL 60609 773 254-9800 Steven B. Weinstein
    SPURLOCK AND SON, INC A 832 W 85th, Chicago, IL 60620 773 729-4129 Terrell Spurlock
    SRC ELECTRIC, LLC A 360 Bennett Road, Elk Grove Village, IL 60007 847 258-4400 Ray Corcoran
    ST. IGNATIUS COLLEGE PREPARATORY A 1076 W. Roosevelt , Chicago, IL 60608 312 432-8445 Joseph Malatesta
    STANCY ELECTRIC, INC. A 8233 N. Octavia Ave. , Niles, IL 60714 847 493-9415 Victoria Stancy
    STANLEY BLACK & DECKER, INC. G 925 N. State St. , Elgin, IL 60123 847 742-9907 Jim Tallaksen
    STS ASSOCIATES, LLC DBA S & S SYSTEMS OF ILLINOIS C 202 W. Ravine Ct. , North Barrington, IL 60010 847 597-8008 Mark Lasky
    STS SOLUTIONS, INC. C 444 N. Wells Suite 201 , Chicago, IL 60654 312 624-9410 Viva Wayer
    SUAREZ ELECTRIC COMPANY A, C, R   4439 W. Montrose Ave. , Chicago, IL 60641 773 202-9077 Dawn Suarez
    SUBURBAN COMMUNICATIONS, INC. C 80 S Clyde Ave., Palatine, IL 60067 847 705-1986 Karen Tarallo
    SULLIVAN ELECTRICAL CONTRACTORS, INC. A 14832 Anne Court, Oak Forest, IL 60452 708 687-4810 Laurie Sullivan
    SUPER ELECTRIC CONSTRUCTION COMPANY A, C, M 4300 W. Chicago Ave. , Chicago, IL 60651 773 489-4400 William Schult
    SUPERIOR ONE ELECTRIC, INC. A, C, R 1212 Gardner Rd. , Westchester, IL 60154 708 681-3300 Gina Spata
    SWENEY ELECTRIC COMPANY INC. A 9111 Louisiana Street , Merrillville, IN 46410 219 769-6007 Edward J. Shikany
    SYSTEM SENSOR MAN 3825 Ohio Ave. , St. Charles, Il 60174 708 377-6580 Karl Odegaard
    SYSTEMS CONTROL & AUTOMATION, INC. A 13642 Birchbark Court , Orland Park, IL 60462 708 873-1315 Kristine B. Vanco
    TAFF CONSTRUCTION INC A 10735 S Western Avenu, Suite 5, Chicago, IL 60643 773 941-8179 Thomas Taff
    TALK A PHONE MAN 7530 North Natchez Avenue , Niles, IL 60714 773 539-1100 Diane Shanes
    TALON ELECTRIC COMPANY A 680 Lively Boulevard , ELk Grove Village, IL 60007 847 526-0200 Alexander Beinhauer
    TAYLOR ELECTRIC COMPANY A, C, R, ES, G 7811 S. Stony Island Avenue , Chicago, IL 60649 773 346-5658 Kendra D. Dinkins
    TEC ELECTRIC, INC. A 1243 Rand Rd. , Des Plaines, IL 60016 847 296-5400 Tim Carlin
    TECH ELECTRONICS OF ILLINOIS, LLC C 623 Touhy , Elk Grove Village, IL 60007 847 357-9650 Kurt Canova
    TECHNICAL SOLUTIONS & SERVICES, INC. A  140 Thunderbird Lane , East Peoria, IL 61611 309 266-8774 Richard LeNeve
    TELEPLUS, INC. C, Specialty Maintenance 724 W Racquet Club Drive, Addison, IL 60101 630 543-3066 Debra Naybar
    TERRANCE ELECTRIC & TECHNOLOGY, INC. A, C 1003 Fariway Drive , Bensenville, IL 60106 630 758-0011 Diane Dougherty
    THE RIGHT APPROACH, INC. A 251 S. Mason Street , Bensenville, IL 60105 630 606-0814 Christine Benn
    THE STATE GROUP INDUSTRIAL (USA) LIMITED A 13800 North Highway 57, Evansville, IN 47725 812-868-5800 Steve Theodoru
    THEO ELECTRIC, INC. A 271 N. Main St. , Glen Ellyn, IL 60137 630 790-9232 Jennifer Iaccino
    THERM FLO, INC. A, S 875 Busch Parkway, Buffalo Grove, IL 60089 847 541-0029 Stephen Izzo
    THOMPSON ELECTRONICS COMPANY C 905 South Bosch Road , Peoria, IL 61607 309 697-2277 Craig Thompson
    THURSTON ELECTRICAL SPECIALTY COMPANY A, C 17201 S. 110th Court, Orland Park, IL 60467 708 479-9981 Janet Thurston
    TIAMO ELECTRIC, INC. A 15649 Long Avenue PO Box 35, Oak Forest, IL 60452 708-897-9115 Amy Fimbianti
    TIMCO-CUSACK COMMUNICATIONS, INC. D/B/A: TIMCO TEC C 2016 E. Euclid , Mt. Prospect, IL 60056 708-479-1222 Elizabeth Leonard
    TIME BUSINESS SYSTEMS, INC. C 916 Central Ave. , Roselle, IL 60172 630 529-5220 Elizabeth Naatz
    TIMM ELECTRIC A 17832 Mills Road , Joliet, IL 60433 815 723-4501 Theodora L. McGann
    TITLE ELECTRIC COMPANY A 3209 Doolittle Drive, Northbrook, IL 60062 847 753-9605 Ronald W. Obara
    TJH COMMUNICATION SERVICES, INC. C 5763 N. Marmora Avenue , Chicago, IL 60646 773-775-9100 Mary Jean Handrigan
    TNS, Inc. C 1225 Rand Road, Des Plaines, IL 60016 847-759-2001 Joel Raven
    TOD ELECTRIC COMPANY A 8494 W. Grand Avenue , River Grove, IL 60171 847 468-0519 Peggy Schulten
    TOLTECH PLUMBING CONTRACTORS, LLC A 3504 S Western Avenue, 2nd Floor, Chicago, IL 60609 773 521-8790 Virginia Reyes
    TOMAHAWK COMMUNICATIONS, LTD. C 64 N. Linden drive PO BOX 37, Plano, IL 60545 630 333-2859 Melissa Lewis
    TOTAL ELECTRIC, INC. A 16308 S. 107th Ave. Unit 11, Orland Park, IL 60467 708 226-9016 Claudia Burns
    TPEC ELECTRICAL CONTRACTOR, INC. A 1359 Louis Avenue, Elk Grove, IL 60007 847 956-7990 Frank Egan
    TRAVIS INC. A 11 Merry Lane, East Hanover, NJ 07936 973 515-5352 A.J. Digiovanni
    TRIAD ELECTRICAL CONTRACTORS, INC. A, R 436 Morris Avenue , Mundelein, IL 60060 847 388-3000 Nicholas Mascari
    TRI-CITY ELECTRIC SERVICE, INC. A, C 1026 Moen Avenue , Rockdale, IL 60436 708 349-9505 Kathleen J. Hill
    TRI-ELECTRONICS, INC. C 6231 Calumet Ave , Hammond, IN 46324 219 931-6850 James V. Donovan
    TRI-M ELECTRIC, INC. A 7800 W. 171st Place , Tinley Park, IL 60477 708 429-1258 Kathleen Sherwood
    TRI-TECH ELECTRIC, INC. A 1320 Enterprise Drive , Romeoville, IL 60446 630 378-0600 Elizabeth L. Zupancic
    TRI-TEL TECHNICAL SERVICES C 329 Jefferson Street , Algonquin, IL 60102 847 742-7100 Doug Parker
    TURO ELECTRICAL CONSTRUCTION, INC. A 1000 Anita Ave. , Antioch, IL 60002 847 395-5111 David J. Dituro
    TWIN ELECTRIC OF CHICAGO, LTD. A, R, LM 4456 N. Opal, Norridge, IL 60706 312 433-6452 Laura Lappo
    TYCO INTEGRATED SECURITY LLC C 2010 Swift Drive , Oak Brook, IL 60523 630 458-7641 Timothy Drabek
    UNITED NETWORK SYSTEMS, INC. C 2021 Midwest Rd. #LL1 , Oak Brook, IL 60523 630 279-2400 Janet Mroz
    UNIVERSAL POWER AND CONTROL, INC. A 146 Easy Street, Carol Stream, IL 60188 630 510-9941 Kenneth Knapcik
    US DATACOMM, INC. C 1755 S. Naperville Rd. Suite#100, Wheaton, IL 60189 630 462-8530 Ronald E. Choate
    USA SECURITY SYSTEMS, INC. C 260 Cortland Ave., Suite 8, Lombard, IL 60148 630 479-8042 Tina King
    UTILITIES INSTRUMENTATION SERVICE INCORPORATED A 2290 Bishop Circle East , Dexter, MI 48130 734 424-1200 Gary Walls
    VADER ELECTRIC CHICAGO LLC A, C 42 Stephen Street, #40, Lemont, IL 60439 630 450-2181 Tiffany Ingolia
    VALLEY ELECTRICAL CONSTRACTORS, INC. A PO BOX 461 , Oswego, IL 60543 630 554-6200 Donna Cook
    VENTURE ELECTRICAL CONTRACTORS, INC. A 2110 Pewaukee Rd. Suite 110, Waukesha, WI 53188 262 542-2727 Jeffrey Robertson
    VIDEO AND SOUND SERVICE, INC. C 40 West Lake St. , Northlake, IL 60164 708 562-6316 Victor Severino
    VIDEOTEC CORPORATION & VIDEOTEC CORP II C 4216 Clausen Ave , Western Springs, IL 60558 708 862-0617 Walter J. Lee
    VINCENT ELECTRIC, INC. A 205 William Way , Bloomingdale, IL 60108 630 539-8912 Marjorie Danzi
    VOLKAN SIGNS & LIGHTING, INC. SIGN 602 Lunt Avenue, Schaumburg, IL 60193 847 891-3155 Gamze Balciogullari
    VOLT ELECTRIC, INC. A 9S500 Bushnell Road, Big Rock, IL 60511 630 552-1600 Luisa Bronski
    VOLT-TEK ELECTRIC, INC. A, MAINT 3345 W 31st Street, Chicago, IL 60623 847 735-9420

    Raffaella Mucerino

    VOX ELECTRIC COMPANY, INC. A 1281 Humbracht Circle Suite A, Bartlett, IL 60103 630 550-5170 Annamarie Vivacqua
    WALSH WIRELESS SERVICES LLC C 1644 N Honore Street, Suite 201, Chicago, IL 60622 312 767-5678 Jon Crumlish
    WEBSTER ELECTRIC COMPANY A 280 E. Howard , Des Plaines, IL 60017 847 827-4444 Kimberly Zoske
    WEST ELSDON ELECTRIC CO. A 536 S. Blackstone Ave. , La Grange, IL 60525 815 761-3388 Richard Goering
    WESTBROOK ELECTRIC CONSTRUCTION LLC A 9550 W. Sergo Drive Unit 113, Mccook, IL 60525 708 485-0001 Zeraldas Usonis
    WIDE HORIZON ELECTRIC SERVICE, INC. A 33W815 William Ave , East Dundee, IL 60118 847 426-2170 Terry Rumachik
    WIGDAHL ELECTRIC CO., INC. A, C, CT 1802 Brummel Avenue, Elk Grove Village, IL 60007 847 439-8200 Max R. Engelhardt
    WIL-SURGE ELECTRIC, INC. A 13201 W. Silver Spring Rd. , Butler, WI 53007 262 781-9210 Daryl Willing
    WINDY CITY AV, LLC C 1305 Prarie Court , West Chicago, IL 60185 630 327-1368 Kristie Pechtel
    WINDY CITY ELECTRIC COMPANY A 7225 W. Touhy , Chicago, IL 60631 773 774-0201 Nancy McMahon
    WIRING, INC. A 8128 N. Laramie Ave. , Skokie, IL 60077 847 675-0372 Janice A. Cook
    WOLF ELECTRIC, INC. A 5925 W. 115th Street , Alsip, IL 60803 708 385-6300 Mary Ann Grant
    WOOD DALE ELECTRICAL CONSTRUCTION INC. A, R 65 N. Garden Ave , Roselle, IL 60172 630 295-9100 William Wayda



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