| Business | Phone |
| L G Chemical America Inc 1857 Technology Dr, Troy 48083 | (248) 583-9700 |
| Rhk Technology 1050 E Maple Rd, Troy 48083 | (248) 577-5426 |
| Modern Research Corp 431 Stephenson Hwy, Troy 48083 | (248) 585-3366 |
| Budd Co 3155 W Big Beaver Rd, Troy 48084 | (248) 643-3852 |
| Lobby Shoppe 755 W Big Beaver Rd, Troy 48084 | (248) 362-6200 |