| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| DATABID | 433 PENN ST | NEWTOWN | PA | 18940 | (888) 929-3282 | (888) 929-9293 |
| ENTERPRISE CODING SOLUTIONS LLC | 509 E PRAIRIE AVE | LOMBARD | IL | 60148 | (773) 877-9524 | (000) 000-0000 |
| FLEX-CLEAN, C/O ELAM CO | 1400 RENAISSANCE DR, STE 403 | PARK RIDGE | IL | 60068 | (847) 823-5400 | (847) 823-5455 |
| FOUNDATION MECHANICS, LLC | 8604 W CATALPA AVE, STE 907 | CHICAGO | IL | 60656 | 773-234-3087 | 815-301-3738 |
| GLOBAL INFRASTRUCTURE LLC | 4937 WILSHIRE BLVD | COUNTRY CLUB HILLS | IL | 60478-3152 | (219) 924-6755 | (708) 799-5110 |
| IHC CONSTRUCTION CO LLC | 385 AIRPORT RD, STE 100 | ELGIN | IL | 60123 | (847) 742-1516 | (847) 742-6610 |
| LAKES & RIVERS CONTRACTING INC | 15480 CANAL BANK RD, PO BOX 67 | LEMONT | IL | 60439 | (630) 739-2460 | (630) 739-3732 |
| MISFITS CONSTRUCTION COMPANY | PO BOX 803663, 233 S WACKER DR, STE | CHICAGO | IL | 60606 | (312) 420-5041 | (206) 339-3613 |
| PULLMAN SST, INC | 280 W JEFFERSON AVE | TRENTON | NJ | 48144 | (734) 282-7760 | (734) 282-3801 |
| RAUSCH INFRASTRUCTURE LLC | 1111 E TOUHY, STE 120 | DES PLAINES | IL | 60018 | (708) 667-0165 | (847) 813-9710 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| STEEL SERVICES ENTERPRISES INC | 17500 S PAXTON AVE | LANSING | IL | 60438 | (847) 226-4533 | (708) 418-1639 |
| TOTAL QUALITY LOGISTICS LLC | 4289 IVY POINTE BLVD | CINCINNATI | OH | 45245-0002 | (800) 580-3101 | (513) 965-7820 |
| WORTHINGTON PRODUCTS INC | 1520 WOOD AVE SE | EAST CANTON | OH | 44730 | (330) 452-7400 | (330) 452-7495 |