| Business | Phone |
| Inausa Corp 1750 E Big Beaver Rd, Troy 48083 | (248) 528-9080 |
| Janesville Products 3190 Rochester Rd, Troy 48083 | (248) 680-1079 |
| Apogee Designs Ltd Troy 48084 | (248) 643-6142 |
| Troy Auto Parts 6045 Rochester Rd, Troy 48085 | (248) 879-5820 |
| Bba Friction 598 Oliver Dr, Troy 48084 | (248) 269-6100 |
| Birmingham Chrysler Plymouth 1735 Equity Dr, Troy 48084 | (248) 362-8155 |
| Solar Corp 4555 Investment Dr 204, Troy 48098 | (248) 952-5311 |
| Crown Battery Co 2171 Radcliffe Dr, Troy 48085 | (248) 879-6879 |
| Daybreak Counseling 650 E Big Beaver Rd, Troy 48083 | (248) 524-9800 |
| Delphi Product & Svc Solutions 1441 W Long Lake Rd, Troy 48098 | (248) 813-2000 |
| Motown Automotive 1090 Wheaton Dr, Troy 48083 | (248) 743-0655 |
| Hoerbiger Drivetech Inc 2838 E Long Lake Rd # 160, Troy 48085 | (248) 740-9275 |
| D & D Auto Parts 1200 E Maple Rd, Troy 48083 | (248) 589-0199 |