| Business | Phone |
| Marketing Force 1791 Harmon Rd, Auburn Hills 48326 | (248) 475-2020 |
| Two Xl Strategic Marketing 2539 Crofthill Dr, Auburn Hills 48326 | (248) 333-2425 |
| Msx Intl 1426 Pacific Dr, Auburn Hills 48326 | (248) 377-1600 |
| Hedden Marketing Svc 2793 University Dr, Auburn Hills 48326 | (248) 394-1420 |