| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| ATLAS CRANE SERVICE INC | 1275 AURORA AVE LANE | AURORA | IL | 60505 | (630) 524-8813 | (630) 425-3143 |
| BCE-USA LLC | 3500 MARTENS ST | FRANKLIN PARK | IL | 60131 | (815) 556-8037 | (815) 556-8076 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| CHRISTOFANO EQUIPMENT CO INC | 9643 S HARLEM AV | CHICAGO RIDGE | IL | 60415 | (708) 425-6466 | |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| FIELD SERVICES | 1125 LAKESIDE DR | NEW LENOX | IL | 60451 | (708) 253-7681 | (708) 253-7681 |
| GRAYBAR ELECTRIC COMPANY INC | 900 REGENCY DR | GLENDALE HEIGHTS | IL | 60139 | (630) 893-3600 | (999) 999-9999 |
| MCNDT PIPELINE LTD | PO BOX 545 | CHANNAHON | IL | 60410 | (815) 467-5200 | (866) 788-4919 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| SIEVERT ELECTRIC SERVICE AND SALES | 1230 S HANNAH ST | FOREST PARK | IL | 60130 | (708) 405-5150 | (708) 771-3124 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| W W GRAINGER INC | 2221 N ELSTON | CHICAGO | IL | 60614 | (847) 624-8007 | (847) 983-1045 |