| Business | Phone |
| Independent Medical Billers 1717 E 11 Mile Rd, Royal Oak 48067 | (248) 543-8070 |
| Aaa Medical Billing Solution 736 S Connecticut Ave, Royal Oak 48067 | (248) 545-2131 |
| Abacus Billing Svc Po Box 376, Royal Oak 48068 | (248) 549-0328 |
| Statewide Appraisal Svc 4300 Delemere Ct, Royal Oak 48073 | (248) 549-0100 |
| Artus Mrm Inc 1312 N Campbell Rd, Royal Oak 48067 | (248) 544-2300 |