| Business | Phone |
| Theta Technologies 1111 W Long Lake Rd 101, Troy 48098 | (248) 267-5076 |
| Defined Employee Management 6050 Livernois Rd, Troy 48098 | (248) 879-3744 |
| Forge Industrial Staffing 165 Kirts Blvd, Troy 48084 | (248) 269-8200 |
| Gbl Resource Inc 6966 Crooks Rd 20, Troy 48098 | (248) 813-9595 |