| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| ANCHOR MECHANICAL INC | 255 N CALIFORNIA | CHICAGO | IL | 60612 | (312) 492-6994 | (312) 492-6996 |
| ASI MARINE LP | 40 CENTRE DRIVE, STE 3 | ORCHARD PARK | NY | 14127 | 905-321-4689 | 905-643-1816 |
| BENCHMARK CONSTRUCTION CO INC | 2260 SOUTHWIND BLVD | BARTLETT | IL | 60103 | (630) 497-1700 | (630) 497-1737 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| CHICAGOLAND | PO BOX 3533 | PEORIA | IL | 61612 | (309) 401-6167 | (309) 401-6168 |
| COMPREHENSIVE CONSTRUCTION | 5835 W MONTROSE AVE | CHICAGO | IL | 60634 | (773) 365-9060 | |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| DESIGN CONSULTING ENGINEERS | 3841 W DEVON AVE | CHICAGO | IL | 60659 | (773) 283-8500 | (773) 681-0599 |
| DR ALICIA MICHELLE STRAUGHTER | ONE WESTBROOK CORP CTR, #300 | WESTCHESTER | IL | 60154 | (708) 220-3762 | (999) 999-9999 |
| DUKES ROOT CONTROL INC | 400 AIRPORT RD, STE E | ELGIN | IL | 60123 | (800) 447-6687 | |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| GWO TRUCKING INC | 1035 W 111TH ST, UNIT 3 | CHICAGO | IL | 60643 | (708) 330-4425 | (708) 330-4423 |
| INLINER SOLUTIONS, LLC | 5031 W 66TH ST | BEDFORD PARK | IL | 60638 | (708) 594-6082 | (708) 594-6082 |
| JEWEL ENTERPRISES LLC | 1755 E 55TH ST, APT 904 | CHICAGO | IL | 60615 | 773-365-1469 | |
| LA KEYS CONSTRUCTION | 11869 S VINCENNES | CHICAGO | IL | 60643 | (312) 860-9005 | (708) 263-8214 |
| M & J UNDERGROUND INC. | 26603 GOVERNORS HWY | MONEE | IL | 60449 | (708) 534-6434 | (708) 534-6521 |
| MCMILLEN JACOBS ASSOCIATES | 200 SO WACKER # 3100 | CHICAGO | IL | 60606 | (206) 588-8139 | (212) 376-1311 |
| MILLER PIPELINE CORP | 8850 CRAWFORDSVILLE RD | INDIANAPOLIS | IN | 46234 | (317) 293-0278 | (317) 293-8502 |
| NATIONAL POWER RODDING CORPORATION | 2500 W ARTHINGTON ST | CHICAGO | IL | 60612-4108 | (312) 666-7700 | (312) 666-5810 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PIPE STRONG LLC | 650 E ALGONQUIN RD #200 | SCHAMBURG | IL | 60173 | 847-496-4526 | |
| PIPE VIEW AMERICA | 13190 FARM TO MARKET RD 730N | AZLE | TX | 76020 | (970) 404-5182 | (815) 331-0209 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| PWXPRESS | 1900 COFFEEPORT RD | JACKSONVILLE | FL | 32208 | (408) 676-8941 | (408) 67608942 |
| REDZONE ROBOTICS INC | 195 THORN HILL RD, STE 110 | WARRENDALE | PA | 15086-5502 | (412) 927-0140 | (412) 476-8981 |
| RJN GROUP INC | 200 W FRONT ST | WHEATON | IL | 60187 | (630) 682-4700 | (630) 682-4754 |
| ROBINSON ENGINEERING LTD | 17000 SOUTH PARK AVE | SOUTH HOLLAND | IL | 60473 | (708) 331-6700 | (708) 331-3826 |
| SEVEN-D CONSTRUCTION CO | 2000 W 43RD ST | CHICAGO | IL | 60609-3001 | (773) 735-0404 | (773) 735-2623 |
| SEWERAI | 2815 MITCHELL DR, STE 215 | WALNUT CREEK | CA | 94598 | (313) 980-7960 | (313) 980-7960 |
| SHERIDAN PLUMBING & SEWER INC | 6754 W 74TH ST | BEDFORD PARK | IL | 60638 | (708) 475-7100 | (708) 475-7138 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| TRUCK TIRE SALES INC | 426 W PERSHING RD | CHICAGO | IL | 60609 | (773) 285-3000 | (773) 285-7094 |