| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| AON CONSULTING | 200 E RANDOLPH, STE 900 | CHICAGO | IL | 60601 | (312) 381-1000 | (312) 381-6501 |
| I/O SOLUTIONS INC | 1520 KENSINGTON RD, STE 110 | OAK BROOK | IL | 60523 | (888) 784-1290 | (708) 410-1558 |
| MEDICAL DOCTOR ASSOCIATES | 4775 PEACHTREE INDUSTRIAL BLVD | BERKELEY LAKE | GA | 30092 | (678) 245-7054 | (678) 245-7163 |
| MHW PSYCHLAW SERVICES INC | 1136 S DELANO CT WEST, B201 | CHICAGO | IL | 60605 | (312) 810-7793 | (312) 528-3201 |
| 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 |
| PSYCHOLOGICAL SERVICES PROFESSIONAL | 30 N MICHIGAN AVE, STE 1909 | CHICAGO | IL | 60602 | (312) 878-8585 | (312) 878-8585 |
| SEVEN OUTSOURCE | 113 BARKSDALE PROFESSIONAL CTR | NEWARK | DE | 19711 | (315) 308-7852 | (315) 702-0205 |
| STEPHEN A LASER ASSOCIATES | 440 S LASALLE ST, STE 2306 | CHICAGO | IL | 60448 | (312) 612-6135 | (312) 382-8286 |