| 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 |
| ALVAREZ INC | 15N497 OLD SUTTON RD | BARRINGTON | IL | 60010 | (847) 551-1105 | (847) 551-1109 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| CARDINAL STATE LLC | 1719 SPRING CREEK RD | BARRINGTON HILLS | IL | 60010 | (630) 808-3146 | (630) 326-8142 |
| CHICAGOLAND | PO BOX 3533 | PEORIA | IL | 61612 | (309) 401-6167 | (309) 401-6168 |
| 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 |
| FH PASCHEN, SN NIELSEN & | 5515 N EAST RIVER RD | CHICAGO | IL | 60656-1113 | (773) 444-3474 | (773) 693-0064 |
| HENNEGAN AND ASSOCIATES LTD | 514 PASADENA AVE | CREST HILL | IL | 60403 | (630) 257-3317 | |
| HILTI | 2828 N CAMBRIDGE AVE, #103 | CHICAGO | IL | 60657 | (312) 972-1104 | (918) 260-4637 |
| INVEST SHEPHERDS LLC | 1305 S MICHIGAN AVE, UNIT 1303 | CHICAGO | IL | 60605 | (312) 619-0363 | (312) 619-0363 |
| JOHN BURNS CONSTRUCTION COMPANY | 999 OAKMONT PLAZA DR, STE 400 | WESTMONT | IL | 60559 | (312) 550-6067 | |
| KABOOM RIGGING & HEAVY EQUIPMENT | 30182 N DEE BEE RD | FARMINGTON | IL | 61531 | (309) 922-7955 | |
| MATTHEWS PROPERTY SERVICE | 3049 W JACKSON BLVD | CHICAGO | IL | 60612 | (312) 351-2102 | (872) 281-5205 |
| MICHELS CORPORATION | 817 W MAIN ST | BROWNSVILLE | WI | 53006 | (262) 414-4541 | (262) 938-6061 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PATH CONSTRUCTION COMPANY INC | 125 E ALGONQUIN RD | ARLINGTON HEIGHTS | IL | 60005 | (847) 398-7100 | (847) 398-7101 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| RESOURCE ENVIRONMENTAL SOLUTIONS | 33 N DEARBORN ST, STE 330 | CHICAGO | IL | 60602 | (713) 520-5400 | (832) 834-6078 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| THORNTON EQUIPMENT SERVICE INC | 500 THORNHOUSE CR | NEW LENOX | IL | 60451 | (708) 479-7531 | (708) 479-7591 |