All Contractors

A-1 Roofing Company

1425 Chase Avenue
Elk Grove Village, IL 60007
(847) 952-3600
(847) 952-3606

Aaron Engineering Services

5420 W. Roosevelt Road
Chicago, IL 60644
(773) 287-1191
(773) 626-3646
Test & Balance

Admiral Heating & Ventilating, Inc.

4150 Litt Drive
Hillside, IL 60162
(708) 544-3100
(708) 544-3606
Commercial Commercial Service HVAC Light Commercial

Advance Mechanical Systems, Inc.

425 E. Algonquin Road
Arlington Heights, IL 60005
(847) 593-2510
(847) 593-2536
Commercial Commercial Service HVAC

Aero Testing & Balancing Systems, Inc.
DBA Aero Building Systems

11045 Gage Avenue
Franklin Park, IL 60131
(847) 451-5000
(847) 451-5011
Commercial Commercial Service HVAC Light Commercial Test & Balance

Air Comfort Corporation

2550 Braga Drive
Broadview, IL 60155
(708) 345-1900
(708) 345-2730
Commercial Commercial Service Duct Cleaning Industrial HVAC Kitchen Light Commercial

Air Design Systems, Inc.

12011 W. 91st Street
Willow Springs, IL 60480
(630) 654-1900
(630) 654-2211
Commercial Industrial HVAC Kitchen Light Commercial
Clean Rooms Duct Fabrication
WBE State

Air Filter Heating & Cooling, Inc.

4070 Adams Street
Gary, IN 46408
(219) 887-5121
(219) 887-5122

Air Specialists Inc.

1101 Prospect Lane
Des Plaines, IL 60018
(847) 299-7447

Air Supply Air Conditioning & Heating, Inc.

8N450 Tameling Court
Unit B
Bartlett, IL 60103
(847) 697-9600
(847) 697-9400

Air-Rite Heating & Cooling, Inc.

1150 Frontenac Road
Naperville, IL 60563
(630) 966-8100
(630) 966-8181
Commercial Commercial Service HVAC Light Commercial Residential Service

Albert J. Wagner & Son LLC

2510 Route 176
Suite B
Prairie Grove, IL 60014
(815) 459-1287
(815) 459-1952
Architectural Commercial Commercial Service Industrial Light Commercial

All American Roofing, Inc.

150 Oakwood Road
Lake Zurich, IL 60047
(847) 438-4131
(847) 438-1387
Architectural Commercial Commercial Service Industrial Light Commercial Residential Service Roofing

All Chicago Inc.

4100 W. Belmont Avenue
Chicago, IL 60641
(773) 777-4141
(773) 286-4600

All Mechanical Industries
DBA EHMS Mechanical Services

1475 Busch Parkway
Buffalo Grove, IL 60089
(847) 850-5172
(847) 279-3934
Commercial Commercial Service Industrial HVAC Light Commercial

Alloy Welding Inc.

14105 Two Mile Road
Franksville, WI 53126
(262) 835-9560
(262) 835-9570
Architectural Industrial HVAC Kitchen

Allpoints, Inc.

909 Lunt Avenue
Schaumburg, IL 60193
(847) 585-0160
(847) 585-0161
Commercial Commercial Service Industrial HVAC Kitchen

Althoff Industries

8001 S. Illinois Rte. 31
Crystal Lake, IL 60014
(815) 455-7000
(815) 455-9204
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service

Amalgamated Services, Inc.

7248 W. Benton Drive
Frankfort, IL 60423
(815) 464-8447
(815) 464-5796
Commercial Commercial Service Industrial HVAC Light Commercial
WBE DBE City County State

Amber Mechanical Contractors, Inc.

11950 S. Central Avenue
Alsip, IL 60803
(708) 597-9700
(708) 597-5875
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service

American Sheet Metal Fabricators, Inc.

665 W. Armory Drive
South Holland, IL 60473
(708) 877-7200
(708) 877-7201
Commercial HVAC
Duct Fabrication

AMS Mechanical Systems, Inc.

9341 Adam Don Parkway
Woodridge, IL, IL 60517
(630) 887-7700
(630) 887-0770
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial
Clean Rooms Duct Fabrication

Anchor Mechanical, Inc.

255 N. California Avenue
Chicago, IL 60612
(312) 492-6994
(312) 492-6996

Anthony Roofing Tecta America Inc.

2555 White Oak Circle
Aurora, IL 60504
(630) 898-4444
(630) 898-4597
Architectural Commercial Commercial Service Industrial Light Commercial Roofing

Any Temperature, Inc.

210 Easy Street
Suite D
Carol Stream, IL 60188
(630) 784-9801
(630) 784-9804

Architectural Panel Systems

1665 Quincy Avenue
Suite 115
Naperville, IL 60540
(630) 352-5000
(630) 352-5001

Arctic Engineering Company, Inc.

8410 Minnesota Street
Merrillville, IN 46410
(219) 947-4999
(219) 947-1563

Arnold Heating, Cooling & Sheet Metal, Inc.

6609 W. 79th Street
Burbank, IL 60459
(708) 430-4141
(708) 430-4257
Commercial Industrial HVAC Light Commercial

AT Mechanical, LLC

2000 Hawthorne Ave.
Melrose Park, IL 60160
(847) 671-7940
(847) 671-7946

Atomatic Mechanical Services Inc.

3733 N. Ventura Drive
Arlington Heights, IL 60004
(847) 818-4300
(847) 818-4302
Commercial Commercial Service Industrial HVAC Kitchen Residential Service

B & B Sheet Metal Company Inc.

25094 W. Old Rand Road
Wauconda, IL 60084
(847) 469-6955
(847) 469-6953
Architectural Commercial Commercial Service Industrial Light Commercial Roofing

B & R Mechanical Ltd.

1215 E. 79th Street
Chicago, IL 60619
(386) 237-2382
(877) 203-9027
HVAC Residential Service
Duct Fabrication
MBE WBE State

Bennett & Brosseau Roofing, Inc.

535 Anderson Drive
Romeoville, IL 60446
(630) 759-0009
(630) 759-2288
Architectural Commercial Commercial Service Industrial Light Commercial Roofing

Blackhawk Hvac, Inc.

8910 W. 192Nd Street
Suite K
Mokena, IL 60448
(708) 995-7415
(800) 435-0709

Boswell Building Contractors, Inc.

933 Dillon Drive
Wood Dale, IL 60191
(630) 595-5027
(630) 595-1740
Architectural Commercial Industrial
WBE City State

Butterfield Mechanical Services

648 N. River Road
Suite 100
Naperville, IL 60563
(630) 768-0211
(331) 472-4718

C. Acitelli Heating & Piping Contractors

813 S. Villa Avenue
Villa Park, IL 60181
(630) 832-4645
(630) 832-4651
Commercial Commercial Service Industrial HVAC Kitchen Residential Service

C.E.M.C.O.

8450 W. 191st Street
Suite 17
Mokena, IL 60448
(815) 464-1008
(708) 720-4840

CES Mechanical Services, Inc.

141 Garlisch Drive
Elk Grove Village, IL 60007
(847) 690-0755
(847) 439-1204
Commercial Commercial Service HVAC Kitchen
Duct Fabrication

Chicago Switchboard Company

470 W. Wrightwood Avenue
Elmhurst, IL 60126
(630) 833-2266
(630) 833-2277

Cleats Manufacturing Company

1855 S. Kilbourn Avenue
Chicago, IL 60623
(773) 521-0300
(773) 521-2408

Climate Master Mechanical Contractors, Inc.

19133 85th Court
Mokena, IL 60448
(815) 469-0307
(815) 469-0160
Commercial Commercial Service Duct Cleaning HVAC Kitchen Light Commercial Residential Service
Clean Rooms Duct Fabrication

Climate Service, Inc.

926 Estes Court
Schaumburg, IL 60193
(847) 202-6800
(847) 202-6895
Commercial Commercial Service Industrial HVAC

Climatemp Service Group, LLC

2315 Gardner Road
Broadview, IL 60155
(708) 449-8888
(708) 449-8890
Commercial Commercial Service HVAC

Columbia Sheet Metal Works, Inc.

5491 Northwest Highway
Chicago, IL 60630
(773) 774-9424
(773) 774-2511

Combined Mechanical Industries, LLC

6321 W. Dempster Street
Unit 277
Morton Grove, IL 60053
(773) 521-7499
(773) 522-2907

Combined Roofing Services, LLC

621 W. Washington Street
West Chicago, IL 60185
(630) 231-4422
(630) 231-9153
Architectural Roofing

Combined Services HVAC, Inc.

5404 W. Elm Street
Suite M
McHenry, IL 60050
(815) 271-5734
(815) 271-5921
HVAC Light Commercial

Comfort Temp, Inc.

17248 Grange Drive
Orland Park, IL 60467
(708) 479-4797

Commercial Heating & Air Conditioning

2344 Hubbard Street
Chicago, IL 60612
(312) 829-2309
(312) 829-2329

Commercial Specialties, Inc.

2255 Lois Drive
Unit #9
Rolling Meadows, IL 60008
(847) 545-9900
(847) 545-9970
Commercial Commercial Service
Bathroom Partitions Locker/Storage

Competitive Piping Systems, Inc.

141 W. Jackson Blvd.
Suite A-30
Chicago, IL 60604
(312) 322-1900
(312) 322-1909
HVAC

Complete Temperature Systems

9824 S. Industrial Drive
Bridgeview, IL 60455
(708) 430-5890
(708) 430-5908
HVAC
WBE

Controlled Environment Testing & Balancing, Inc.

1350 Remington Road
Suite U
Schaumburg, IL 60173
(847) 490-8400
(847) 490-4303
Test & Balance

Cooling Equipment Service, Inc.

141 Garlisch Drive
Elk Grove Village, IL 60007
(847) 690-0755
(847) 439-1204

Cottage Sheeet Metal, LLC

P. O. BOX 2068
Bridgeview, IL 60455
(708) 599-2992
(708) 599-0502
HVAC Roofing

Critical Environments Professionals, Inc.

112 N. Forrest Avenue
Arlington Heights, IL 60004
(847) 636-7710
(847) 655-6087

Crown Corr, Inc.

7100 W. 21st Avenue
Gary, IN 46406
(219) 949-8080
(219) 944-9922

CT Mechanical

1070 Garfield
Lombard, IL 60148
(630) 227-1700
(847) 483-1370
Commercial Commercial Service HVAC
WBE DBE City

D & K Sheet Metal & HVAC

3105 Ridgeland Avenue
Berwyn, IL 60402
(708) 484-2789
(708) 484-0729

D & P Mechanical, Inc.

6853 W. 60th Place
Chicago, IL 60638
(773) 229-1026
(773) 229-1057

DeKalb Mechanical

339 Wurlitzer Drive
DeKalb, IL 60115
(815) 756-6528
(815) 756-6529
Commercial HVAC

Dekayo Corp.

9308 Gulfstream Road
Frankfort, IL 60423
(708) 595-8250
(708) 349-4552
Commercial HVAC
MBE DBE City County State

Delta Heating & Air Conditioning

139 Crossen Avenue
Elk Grove Village, IL 60007
(847) 427-1070
(847) 427-1075
Commercial Commercial Service HVAC Kitchen Light Commercial Residential Service

Demco, Inc.

2975 Soffel Avenue
Melrose Park, IL 60160
(708) 345-4822
(708) 681-2547
Architectural Commercial Industrial HVAC
Clean Rooms Duct Fabrication Locker/Storage

Denning Inc.

4 N 944 La Fox Road
Mailing Address: P. O. Box 479
Wasco, IL 60183
(630) 584-4927
(630) 584-5742

Des Plaines Glass Company

962 Lee Street
Des Plaines, IL 60016
(847) 298-2727
(847) 298-6939

Dodson Plumbing, Heating & Air Conditioning, Inc.

823 N. Ladd Street
Mailing Address: P. O. Box 560
Pontiac, IL 61764
(815) 844-7131
(815) 842-3069
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

Domain Corporation

6238 N. Northwest Highway
Chicago, IL 60631
(773) 628-0001
(773) 628-0003
Architectural Commercial Commercial Service Light Commercial Residential Service Roofing
WBE City County State

Doornbos Acquisition, LLC

11310 S. Cicero Avenue
Alsip, IL 60803
(708) 423-9580
(708) 423-7361

Dynacoil, Inc.

2000 Lewis Avenue
Zion, IL 60099
(847) 731-3300
(847) 731-3900
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

Dynamic Air Solutions, LLC

265 Jamie Lane
Wauconda, IL 60084
(773) 678-4569
(847) 416-4749
Commercial Light Commercial

E E Installations, Inc.

429 Bristol Lane
Schaumburg, IL 60194
(847) 274-3490
Bathroom Partitions Locker/Storage

Edwards Engineering, Inc.

1000 Touhy Avenue
Elk Grove Village, IL 60007
(847) 364-8100
(847) 364-0188
Commercial Commercial Service Industrial HVAC Light Commercial

Eitel Heinemann Mechanical Services, Inc.

724 Anthony Trail
Northbrook, IL 60062
(847) 279-3930
(847) 279-3974
Commercial Commercial Service Industrial Kitchen

Elkay Manufacturing Co.

2700 S. 17th Avenue
Broadview, IL 60153
(708) 681-1880
(708) 681-2961

Emcor Services Team Mechanical

431 Lexington Drive
Buffalo Grove, IL 60089
(847) 229-7600
(847) 229-7699

Engineered Wall Systems Midwest, Inc.

P. O. Box 781
Lansing, IL 60438
(219) 237-2897
(219) 237-2895
Architectural Commercial Roofing

Enviro Mechanical Inc.

1020 W. Fullerton Avenue
Suite D
Addison, IL 60101
(630) 559-3100
(630) 559-3105

Environment Mechanical Systems, Inc.

2500 S. 27th Avenue
Broadview, IL 60155
(708) 345-1555
(708) 544-6660
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Test & Balance

Erickson Electrical Equipment Co.

475 Bonnie Lane
Elk Grove Village, IL 60007
(847) 640-7701
(847) 640-0565

Excel Mechanical Services, LLC

5 Earl Court
Suite 180
Woodridge, IL 60517
(630) 560-4260
(630) 910-1279

F & M Installations Corp.

7320 Iris Avenue
Hanover Park, IL 60133
(815) 975-8290
(815) 623-9147

F. E. Moran, Inc.

2265 Carlson Drive
Northbrook, IL 60062
(847) 498-4800
(847) 498-9091
Architectural Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

F. E. Moran, Inc. Mechanical Services

2283 Carlson Drive
Northbrook, IL 60062
(847) 291-9101
(847) 291-9115

Fab-Rite Sheet Metal

74 Bradrock Drive
Des Plaines, IL 60018
(847) 228-0300
(847) 981-1144
Roofing
Duct Fabrication

First Point Mechanical Services, LLC

1625 Winnetka Circle
Rolling Meadows, IL 60008
(847) 483-8080
(847) 483-8079
Commercial Commercial Service Industrial HVAC Light Commercial

Flo-Tech Mechanical Systems, Inc.

1300 W. National Avenue
Addison, IL 60101
(630) 543-1118
(630) 543-1497
Commercial Industrial HVAC Kitchen
Duct Fabrication
WBE DBE City County State

G. E. Mathis Company

6100 S. Oak Park Avenue
Chicago, IL 60638
(773) 586-3800
(773) 586-0070

Frank Kreutzer & Co.

2646 W. Madison Street
Chicago, IL 60612
(773) 826-5767
(773) 826-5769

Garsh Mechanical, LLC

2000 N. Hawthorne Avenue
Melrose Park, IL 60160
(312) 735-6532
(847) 671-7940
Commercial HVAC Light Commercial

Gatlin Plumbing & Heating, Inc.

1111 E. Main Street
Griffith, IN 46319
(219) 924-6972
(219) 924-1401
Commercial Commercial Service HVAC Kitchen Light Commercial

General Refrigeration Services Corp.

2440 Ravine Way
Suite 200
Glenview, IL 60025
(847) 832-2305
(847) 729-0558
HVAC

GHC Mechanical, Inc.

990 Pauly Drive
Elk Grove Village, IL 60007
(847) 593-0123
(847) 593-0161

Grosse Mechanical Contractors Of Il, Inc.

360 Kent Avenue
Elk Grove Village, IL 60007
(847) 364-7899
(847) 364-7972
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

GT Mechanical Projects & Design, Inc.

15729 Annico Drive
Homer Glen, IL 60491
(708) 645-7400
(708) 645-0687
Commercial Commercial Service Industrial HVAC Light Commercial
WBE

Gus Berthold Electric Co.

1900 W. Carroll Avenue
Chicago, IL 60612
(312) 243-5767
(312) 243-5811
Box Shop

Hartwig Plumbing & Heating, Inc.

20800 E. Brink Street
Harvard, IL 60033
(815) 943-4430
(815) 943-4490

Hayes Mechanical Inc.

5959 S. Harlem Avenue
Chicago, IL 60638
(773) 784-0000
(773) 784-0010

Hayward HVAC Company

9556 River Street
Schiller Park, IL 60176
(847) 671-0400
(847) 671-1689
Commercial Industrial HVAC Light Commercial
Duct Fabrication
WBE

Hemingway Chimney, Inc.

16940 Vincennes Road
South Holland, IL 60473
(708) 333-0395
(708) 333-7326
HVAC Kitchen
DVBE City County State

Hennessy Sheet Metal, Inc.

3256 Butler Street
South Chicago Heights, IL 60411
(708) 754-6342
(708) 754-6730

Highland Park Mechanical

3204 16th Street
Zion, IL 60099
(847) 432-8395
(847) 872-8630

Hill Mechanical Corp.
DBA The Hill Group

11045 Gage Avenue
Franklin Park, IL 60131
(847) 451-5000
(847) 451-5011
Test & Balance

Icon Identity Solutions

1418 Elmhurst Road
Elk Grove Village, IL 60007
(847) 364-2250
(847) 364-1517

In-Stall, Inc.

17 Burlington Avenue
Western Springs, IL 60558
(708) 819-6717

Independent Mechanical Industries, Inc.

4155 N. Knox Avenue
Chicago, IL 60641
(773) 282-4500
(773) 282-2046

Institutional Equipment, Inc.

704 Veterans Parkway
Unit B
Bolingbrook, IL 60440
(630) 771-0990
(630) 771-0994

Interactive Building Solutions

15941 S. Harlem Avenue
#322
Tinley Park, IL 60477
(708) 205-4369
(708) 614-0610
Commercial Commercial Service HVAC Test & Balance

Interior Concepts, Inc.

7150 N. Ridgeway Avenue
Lincolnwood, IL 60712
(847) 677-6800
(847) 677-0813

International Test & Balance

2100 Sanders Road
Suite 300
Northbrook, IL 60062
(847) 759-1800
(847) 759-1811
HVAC Kitchen Residential Service Test & Balance

J & A Sheet Metal

1800 N. Campbell Avenue
Chicago, IL 60647
(773) 276-3739
(773) 276-5151
Box Shop

J & B Mechanical, Inc.

128 W. Pratt Boulevard
Schaumburg, IL 60172
(630) 924-1725
(630) 924-0519
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service Test & Balance

J P Heating, Inc.

241 Canal Street
Lemont, IL 60439
(630) 257-6579
(630) 257-5225

J. L. Adler Roofing & Sheet Metal Inc.

779 Joyce Road
Joliet, IL 60436
(815) 773-1200
(815) 773-1207

Jade Mechanical Services, LLC

1510 Midway Court
Unit E1A
Elk Grove Village, IL 60007
(773) 983-0204
(773) 228-3802

J2 Mechanical, LLC

8510 Cedar Street
Fox Lake, IL 60020
(847) 561-5189
HVAC

James D. Ahern & Company

3257 S. Harding Avenue
Chicago, IL 60623
(773) 254-0717
(773) 254-1403

Jameson Sheet Metal, Inc.

23824 Industrial Drive
Plainfield, IL 60544
(815) 577-5277
(815) 577-5288

Jensen's Plumbing & Heating, Inc.

670 E. Calhoun Street
Woodstock, IL 60098
(815) 338-1936
(815) 338-1937

JJ White, Inc.

5500 Bingham Street
Phildelphia, PA 19120
(215) 605-7715
(215) 745-5753

John J. Rickhoff Sheet Metal Co.

320 E. 152nd Street
Harvey, IL 60426
(708) 331-2970
(708) 331-2531
Commercial Industrial HVAC

John Maier Company

1101 Washington Street
Mailing Address: P. O. Box 763
Chicago Heights, IL 60411
(708) 755-0235
(708) 755-1878

Jones & Cleary Roofing / Sheet Metal

6838 S. South Chicago Avenue
Chicago, IL 60637
(773) 288-6464
(773) 288-2955
Architectural Roofing

Jones Architectural Metals, Inc.

378 Sundown Road
South Elgin, IL 60177
(847) 628-6380
(847) 628-6381

Just Manufacturing

9233 King Street
Franklin Park, IL 60131
(847) 678-5151
(847) 678-6817

Key West Metal Industries, Inc.

13831 S. Kostner Avenue
Crestwood, IL 60445
(708) 371-1470
(708) 371-1570

Kirby Sheet Metal Works, Inc.

4209 S. Western Boulevard
Chicago, IL 60609
(773) 247-6477
(773) 247-5753

Knickerbocker Roofing & Paving Co., Inc.

16851 S. Lathrop Street
Harvey, IL 60426
(708) 339-7260
(708) 339-3806
Architectural Commercial Commercial Service Industrial HVAC Residential Service Roofing

Loescher Heating and Air Conditioning

1860 Walnut Road
Freeport, IL 61032
(815) 232-6166
(815) 232-8350
WBE

Luse Thermal Technologies, LLC

3990 Enterprise Court
Aurora, IL 60504
(630) 862-2600
(630) 862-2674

M & E Mechanical Contractors Inc.

P. O. Box 473
Lisle, IL 60532
(630) 434-2433
(630) 434-2437

M K Industries, Inc.

998 Forest Edge Drive
Vernon Hills, IL 60061
(847) 949-0200
(847) 566-4411

M-K Sign Service

4900 N. Elston Avenue
Chicago, IL 60630
(773) 545-4444
(773) 545-0042

M. L. Rongo, Inc.

4817 N. Lake Street
Melrose Park, IL 60160
(708) 343-8820
(708) 343-2678
Commercial Commercial Service Industrial HVAC

M. W. Powell Company

3445 S. Lawndale Avenue
Chicago, IL 60623
(773) 247-7438
(773) 247-7441
Roofing

Martin Petersen Company, Inc.

9800 55th Street
Kenosha, WI 53144
(262) 658-1326
(262) 658-1048
Commercial Commercial Service Industrial HVAC Light Commercial Residential Service

May-Aire Heating & Cooling Co., Inc.

698 N. Larch Avenue
Elmhurst, IL 60126
(630) 516-1050
(630) 279-8730
Commercial Commercial Service HVAC Residential Service
WBE City

McCauley Mechanical Construction, Inc.

8787 S. 78th Avenue
Bridgeview, IL 60455
(708) 233-0606
(708) 233-0283
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial
WBE

Mcdonough Mechanical Services, Inc.

4081 Joseph Lane
Waukegan, IL 60087
(847) 244-7451
(847) 244-7521
Commercial Industrial HVAC Light Commercial

Mechanical, Inc.

900 Oakmont Lane
Suite 200
Westmont, IL 60559
(630) 891-3400
(708) 449-0378
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial
Clean Rooms Duct Fabrication

Mechanical Concepts Of Illinois, Inc.

333 S. O'hare Drive
Romeoville, IL 60446
(630) 724-0891
(815) 838-5364

Metal Design, LLC

17041 Hedgewood Court
Lockport, IL 60441
(815) 768-0783
(815) 838-2979
Architectural Commercial Commercial Service Industrial Light Commercial Residential Service
MBE WBE City County State

Metal Edge - A Division of ORC

47 E. 34th Street
South Chicago Heights, IL 60411
(708) 756-4696
(708) 756-7341
Architectural Commercial Industrial Light Commercial Roofing

Metal Works of Chicago, Inc.

2333 Hamilton Road
Arlington Heights, IL 60005
(847) 437-5771
(847) 437-5866
Commercial Roofing

Metalmaster Sheet Metal, Inc.

4800 Metalmaster Way
Mc Henry, IL 60050
(815) 459-6415
(815) 385-8730
Architectural Commercial Commercial Service Roofing

MG Mechanical Contracting, Inc.

1513 Lamb Road
Woodstock, IL 60098
(815) 334-9450
(815) 334-9453

Midwest Mechanical

801 Parkview Boulevard
Lombard, IL 60148
(630) 850-8617
(630) 655-0730

Mortenson Roofing Co., Inc.

9505 Corsair Road
Frankfort, IL 60423
(815) 464-7300
(815) 464-7850
Architectural Roofing

Murphy & Miller, Inc.

600 W. Taylor Street
Chicago, IL 60607
(312) 427-8900
(312) 427-0324

National Heat & Power Corp.

6340 Oakton Street
Morton Grove, IL 60053
(847) 965-3900
(847) 965-3903

National Metal Fabricators

2395 Greenleaf Avenue
Elk Grove Village, IL 60007
(847) 439-5321
(847) 439-4774
Industrial

Nations Roof North, LLC

901 Sentry Drive
Waukesha, WI 53186
(262) 542-0002
(262) 542-0003

Noble Air, LLC

6603 W. 79th Street
Burbank, IL 60459
(708) 598-5434
(866) 425-4335
Test & Balance

Northern Weathermakers HVAC, Inc.

339 Anthony Trail
Northbrook, IL 60062
(847) 498-4590
(847) 509-2160

O'Hare Engineering, Inc.

55 Messner Drive
Wheeling, IL 60090
(847) 459-5500
(847) 459-9665

O'Hare Mechanical Contractors, Inc.

951 Oakton Street
Elk Grove Village, IL 60007
(847) 437-1919
(847) 437-4747
Commercial HVAC Light Commercial

Oakley Steel Products Co.

650 28th Avenue
Bellwood, IL 60104
(708) 544-7970
(708) 544-7986
Commercial

Oelerich HVAC, Inc.

309 N. Lake Street
Mundelein, IL 60060
(847) 566-7900
(847) 566-7922

P & M / Mercury Mechanical Corp.

152 N. Railroad Avenue
Northlake, IL 60164
(708) 409-8655
(708) 409-8616

Pasquesi Plumbing, Heating & Cooling

3218 Skokie Valley Road
Highland Park, IL 60035
(847) 433-3426
(847) 433-3447

Perfect Temperature Control

74 Bradrock Drive
Des Plaines, IL 60018
(847) 635-0337
(847) 981-1144
Commercial Commercial Service HVAC Kitchen Light Commercial Residential Service

Performance Mechanical Contractors, Inc.

9228 Corsair Road
Frankfort, IL 60423
(815) 806-2992
(815) 806-2993
WBE

Peterson Electric Panel Mfg. Co.

5550 Mc Dermott Drive
Berkeley, IL 60163
(708) 449-2270
(708) 449-2269
Box Shop

Preferred Metal Technologies, Inc.

140 E. Tower Drive
Burr Ridge, IL 60521
(630) 887-7700
(630) 887-0770
Duct Fabrication

Progressive Dynamics, Inc.

712 Bonded Parkway
Streamwood, IL 60107
(630) 289-3421
(630) 894-0485
Architectural Commercial Industrial Roofing

Quality Mechanical, Inc.

17600 N. Williams
Suite 5
Thornton, IL 60476
(708) 877-7036
(708) 877-7038
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service

Quicksilver Mechanical, Inc.

3361 N. Ridge Avenue
Arlington Heights, IL 60008
(847) 577-1564
(847) 577-1587
Commercial HVAC

Qu-Bar, Inc.

4163 W. 166th Street
Oak Forest, IL 60452
(708) 339-8360
(708) 339-8368
HVAC
MBE City County State

R. E. Burke Roofing & Sheet Metal

7667 Gross Point Road
Skokie, IL 60076
(847) 675-5010
(847) 675-6990

R. G. H. Heating & Cooling, Inc.

11414 Smith Drive
Unit C
Huntley, IL 60142
(847) 515-2226
(847) 515-2261
Commercial Commercial Service HVAC Light Commercial Residential Service
WBE City County State

R. J. Olmen Company

3200 W. Lake Avenue
Glenview, IL 60026
(847) 724-0994
(847) 724-7307
Box Shop Commercial Industrial HVAC Kitchen
Duct Fabrication

RAB Air Balance Inc.

105 E. Townline Road
#335
Vernon Hills, IL 60061
(847) 970-9000
(847) 970-9001

RAM Mechanical Services, Inc.

258 S. Westgate Drove
Carol Stream, IL 60188
(630) 665-6620
(630) 665-7335

Ravinia Plumbing & Heating

1580 Old Skokie Road
Highland Park, IL 60035
(847) 432-5561
(847) 831-5694
HVAC Light Commercial Residential Service

RD's HVAC, Inc.

15020 S. Cicero Avenue
Suite 205
Oak Forest, IL 60452
(708) 897-9898
(708) 897-9898
Commercial Commercial Service HVAC Light Commercial Residential Service Test & Balance
MBE DBE City

Repair Service Corporation

P. O. Box 818
Lake Zurich, IL 60047
(847) 726-9560
(847) 726-9561
Commercial Commercial Service HVAC Light Commercial Residential Service Test & Balance
WBE

Rice Mechanical, Inc.

809 W. Estes Avenue
Schaumburg, IL 60193
(847) 524-4180
(847) 524-4154
Commercial Commercial Service HVAC

Roberts Environmental Control Corp.

8500 W. 185th Street
Suite B
Tinley Park, IL 60487
(708) 429-7700
(708) 429-2041
Commercial Industrial HVAC Light Commercial Test & Balance
Duct Fabrication

Roofs, Inc.

8722 W. 47th Street
Lyons, IL 60534
(708) 447-9300
(708) 447-9306
Architectural Roofing

Royal Sheet Metal

1704 Mannheim Road
Des Plaines, IL 60018
(847) 871-3363
(224) 217-5048

Rush Mechanical Contractors, Inc.

15806 Annico Drive
Suite 5
Lockport, IL 60441
(708) 301-2525
(708) 301-6701

S Mechanical, Inc.

16420 S. Kilbourn Avenue
Oak Forest, IL 60452
(708) 535-3600
(708) 535-6655
Box Shop Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

Schmidt Steel, Inc.

847 S. Randall Road
Elgin, IL 60123
(630) 460-3523
(630) 793-9842

Service Mechanical Industries, Inc.

700 Cooper Court
Suite A
Schaumburg, IL 60173
(847) 342-9100
(847) 342-9104
Commercial HVAC

Sheet Metal Werks, Inc.

455 E. Algonquin Road
Arlington Heights, IL 60004
(847) 827-4700
(847) 827-4770
Commercial Commercial Service Industrial HVAC Kitchen
Clean Rooms Duct Fabrication

Sherman Mechanical, Inc.

1075 Alexander Court
Cary, IL 60013
(847) 462-1020
(847) 458-0200
Commercial Commercial Service Duct Cleaning Industrial HVAC Light Commercial Residential Service Test & Balance

South Chicago Heating

29134 S. Schoolhouse Road
Mailing Address: P. O. Box 466
New Lenox, IL 60451
(815) 485-1554
(815) 485-1556

South Suburban Heating & Air Conditioning, Inc.

2914 Bernice Avenue
Mailing Address: P. O. Box 975
Lansing, IL 60438
(708) 474-3455
(708) 474-5551
Commercial Industrial HVAC Light Commercial Residential Service
Duct Fabrication

Specialized Testing & Balancing, Inc.

3090 Henry Lane
Lake In The Hills, IL 60156
(815) 385-5463
Test & Balance

Specialty Construction, LLC

4536 W. 102nd Place
Oak Lawn, IL 60453
(630) 317-7117
(630) 317-7210
Architectural Commercial

Stainless Equipment Installations, LLC

10814 Valerie Court
Orland Park, IL 60467
(708) 674-8395

Stanton Mechanical, Inc.

170 Gaylord
Elk Grove Village, IL 60007
(847) 824-9901
(847) 824-9916
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

State Mechanical Services, LLC

535 Exchange Court
Aurora, IL 60504
(630) 723-6000
(630) 723-6015
Commercial Commercial Service Industrial HVAC Light Commercial

Straight Line Erectors, Inc.

7812 W. 91st Street
Hickory Hills, IL 60457
(708) 430-5426
(708) 430-1944

Sullivan Roofing, Inc.

60 East State Parkway
Schaumburg, IL 60173
(847) 908-1000
(847) 908-1099
Architectural Commercial Commercial Service Roofing

Summit Sheet Metal Specialists, Inc.

7325 W. 59th Street
Summit, IL 60501
(708) 458-8622
(708) 458-8421
Architectural Commercial Commercial Service Industrial

Sun Mechanical Systems, Inc.

1900 Tyler Road
Suite 100
St. Charles, IL 60174
(630) 444-1774
(630) 444-1775
Commercial Commercial Service Duct Cleaning HVAC

Sun Ray Heating, Inc.

21740 Main Street
Matteson, IL 60443
(708) 481-9150
(708) 481-6609
Commercial Commercial Service Duct Cleaning HVAC

Super Sky Products Enterprises, LLC

10301 N. Enterprise Drive
Mequon, WI 53092
(262) 242-2000
(262) 242-7409

Superior Sheet Metal & Heating, Inc.

28814 N. Nagel Court
Lake Bluff, IL 60044
(847) 234-4020
(847) 234-4097

Superior Test & Balance, Inc.

1320 Chase Street
Suite 1
Algonquin, IL 60102
(847) 458-8877
Test & Balance

Synergy Mechanical, Inc.

4202 Warren Avenue
Hillside, IL 60162
(708) 410-1004
(708) 410-1055
Test & Balance

Systems Mechanical Inc.

221 Stanley Street
Elk Grove Village, IL 60007
(847) 718-0805
(847) 718-0815
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial

T. I. S. C. Erectors

23W500 Pine Drive
Carol Stream, IL 60188
(630) 665-9007
(708) 389-7624

T. Maier Mechanical Inc.

1133 W. End Avenue
Chicago Heights, IL 60411
(708) 259-9628
(708) 799-9537

Tal-Mar Custom Metal Fabricators, Inc.

4632 W. 138th Street
Crestwood, IL 60418
(708) 371-0333
(708) 371-4111
Architectural Industrial HVAC

Tempco Heating & Air Conditioning Co.

2511 Technology Drive
Suite #101
Elgin, IL 60124
(847) 670-7000
(847) 670-7040
HVAC Light Commercial Residential Service

Temperature Service Company

360 Bonnie Lane
Elk Grove Village, IL 60007
(847) 640-0505
(847) 640-0465
Commercial Commercial Service Industrial HVAC Light Commercial

The Heat Engineering Company

6500 Joliet Road
Countryside, IL 60525
(708) 246-3300
(708) 579-0264
Commercial Commercial Service HVAC Light Commercial Residential Service
Duct Fabrication

ThermFlo, Inc.

251 Holbrook Drive
Wheeling, IL 60090
(847) 541-0029
(847) 541-0272
Commercial Commercial Service Industrial HVAC

Total Test & Balance Inc.

901 Persimmon Lane
Unit D
Mt. Prospect, IL 60056
(855) 868-2500
(847) 728-3000
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service Test & Balance
WBE

Tri-Star Mechanical Services, Inc.

114 Joey Drive
Elk Grove Village, IL 60007
(847) 290-0400
(847) 290-0402

Triangle Mechanical Services Inc.

391 Wegner Drive
Suite B
West Chicago, IL 60185
(630) 562-0750
(630) 562-0740

Trimark Marlinn, LLC

6100 W. 73rd Street
Suite 1
Bedford Park, IL 60638
(708) 496-1700
(708) 496-0750

Trinity Roofing Service, Inc.

2315 W. 136th Street
Blue Island, IL 60406
(708) 385-7830
(708) 385-7860
Architectural Commercial Light Commercial

True Mechanical, LLC

1205 Karl Court
Suite 104
Wauconda, IL 60084
(224) 475-9155
Commercial Commercial Service Industrial HVAC Light Commercial
Duct Fabrication

Tuschall Engineering Company, Inc.

15W700 79th Street
Burr Ridge, IL 60527
(630) 655-9100
(630) 655-9109

UBM Mechanical Services, LLC

254 Tubeway Drive
Carol Stream, IL 60188
(630) 653-8282
(630) 653-8299

V. J. Killian Company

933 Green Bay Road
Winnetka, IL 60093
(847) 446-0908
(847) 446-3980

Valade Heating & Cooling, Inc.

17406 Burnham Avenue
Lansing, IL 60438
(708) 895-4343
(708) 895-8789
Commercial Industrial HVAC Light Commercial Test & Balance
WBE DBE City County State

VP Mechanical, Inc.

1760 BRITANNIA DRIVE
SUITE 2
ELGIN, IL 60124
(847) 468-9122
(847) 468-9126

Van's Industrial

231 Condit Street
Hammond, IN 46320
(219) 931-4881
(219) 933-6470
Commercial HVAC

Vent Products Company

1901 S. Kilbourn Avenue
Chicago, IL 60623
(773) 521-1900
(773) 521-5613
Architectural Commercial Industrial HVAC Light Commercial
WBE

Ventfabrics, Inc.

5520 N. Lynch Avenue
Chicago, IL 60630
(773) 775-4477
(773) 775-5065

Ventric Mechanical Systems, Inc.

4740 N. Cumberland Avenue
#383
Chicago, IL 60656
(773) 617-0913

Vidimos, Inc.

3858 Indiana Harbor Drive
Mailing Address: P. O. Box 480
East Chicago, IN 46312
(219) 397-2728
(773) 221-2244
Industrial

Westside Mechanical Design / Build

2007 Corporate Lane
Naperville, IL 60563
(630) 369-6690
(630) 369-6691
Commercial Commercial Service HVAC Light Commercial

Wheatland Tube Company

4435 S. Western Boulevard
Chicago, IL 60609
(773) 254-0617
(773) 254-2244

Whited Brothers, Inc.

215 W. 155Th Street
South Holland, IL 60473
(708) 225-0851
(708) 225-0853
Architectural Commercial

Wiesbrook Sheet Metal, Inc.

25502 W. Ruff Street
Plainfield, IL 60585
(630) 922-9050
(630) 922-9055
Architectural Commercial Commercial Service Industrial HVAC Light Commercial Residential Service Roofing
Duct Fabrication

Wolf Mechanical Industries, Inc.

1192 Heather Drive
Lake Zurich, IL 60047
(847) 540-2059
(847) 540-2071
WBE

Youna Mechanical, Inc.
DBA The Youna Group

350 Crossen Avenue
Elk Grove Village, IL 60007
(247) 258-4650
(866) 519-6172
Commercial Commercial Service Industrial HVAC Kitchen Light Commercial Residential Service
Locker/Storage