| Business | Phone |
| Universal Macomb Ambulance Svc 27321 Dequindre Rd, Madison Heights 48071 | (248) 548-4535 |
| St John Health Admitting 27351 Dequindre Rd, Madison Heights 48071 | (248) 967-7675 |
| St John Oakland Health Billing 27351 Dequindre Rd, Madison Heights 48071 | (586) 753-0153 |