| Business | Phone |
| Door 2 Door 24780 Hathaway St, Farmington Hills 48335 | (248) 427-9150 |
| Douglass Group Inc 37756 Emerald Forest Dr, Farmington Hills 48331 | (248) 788-0327 |
| General Marketing Investment 32000 Northwestern Hwy, Farmington Hills 48334 | (248) 865-8100 |