| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| A & D PROPERTY SERVICES | 7346 S EXCHANGE AVE | CHICAGO | IL | 60649 | (773) 933-7840 | (708) 669-0386 |
| BIDNET | 15 BRITISH AMERICAN BLVD | LATHAM | NY | 12110 | (518) 438-009... | (518) 689-7038 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| CONTRACTORS REGISTER INC | 800 E MAIN ST | JEFFERSON VALLEY | NY | 10535 | (800) 431-2584 | (914) 962-8412 |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| EVERGREEN SUPPLY CO | 1400 ARDMORE AVE | ITASCA | IL | 60143 | (773) 375-4750 | (773) 375-4765 |
| GRANTHIUM CORPORATION | 1111 PLAZA DRIVE, SUITE 640 | SCHAUMBURG | IL | 60173 | (224) 353-6427 | (224) 353-6427 |
| GROUNDED INDUSTRIAL SERVICES | 24201 S CICERO AVE | MONEE | IL | 60449 | (708) 878-8030 | |
| INTERSTATE ALL BATTERY CENTER | 10336 S CICERO AVE | OAK LAWN | IL | 60453 | (708) 424-2288 | (708) 424-2289 |
| J P SIMONS & CO | 330 WINDY POINT DR | GLENDALE HEIGHTS | IL | 60139 | (630) 693-0300 | (630) 693-0306 |
| MACHINING SYSTEMS CORPORATION | 14003 KOSTNER AVE | CRESTWOOD | IL | 60445 | (708) 385-7903 | (708) 385-7904 |
| NAK-MAN CORP | 5677 W HOWARD ST | NILES | IL | 60714-4011 | (847) 673-7377 | (847) 673-2358 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| REGOL-G SPECIAL STEEL SVCS INC | 4345 DIPAOLO CENTER | GLENVIEW | IL | 60025 | (847) 537-8401 | (847) 537-8403 |
| SUPER ROCO STEEL & TUBE LTD II | 1051 N MAIN ST, STE A | LOMBARD | IL | 60148 | (630) 653-6202 | (630) 653-6250 |
| TRI-ANGLE FABRICATION & BODY CO | 1344 W 43RD ST | CHICAGO | IL | 60609-3308 | (773) 523-0421 | (773) 523-8802 |
| TW METALS | 235 TUBEWAY DRIVE | CAROL STREAM | IL | 60188 | (630) 690-0110 | (888) 219-2648 |
| WAUKEGAN STEEL LLC | 1201 BELVIDERE RD | WAUKEGAN | IL | 60085 | (847) 662-2810 | (847) 662-2818 |