| Business | Phone |
| Vendo Muneris & Co 306 S Washington Ave 200, Royal Oak 48067 | (248) 336-9860 |
| Black Monk Consulting 632 E 11 Mile Rd, Royal Oak 48067 | (248) 544-3190 |
| Corporate Consulting Assoc 431 Dewey St, Royal Oak 48067 | (248) 524-0855 |
| Mew Consultants 3035 N Connecticut Ave, Royal Oak 48073 | (248) 588-4630 |
| Ascend Tek Consulting Group 2805 W 13 Mile Rd, Royal Oak 48073 | (248) 549-9540 |