| Business | Phone |
| Leoni Tmc 2505 Industrial Row Dr, Troy 48084 | (248) 435-3000 |
| Ace Electronics Inc 1239 Chicago Rd, Troy 48083 | (248) 589-9333 |
| Vanguard Electric Cable Inc 1195 Rochester Rd D, Troy 48083 | (248) 588-8150 |
| Cabicon 359 Robbins Dr, Troy 48083 | (248) 588-9000 |
| Prince Telecom Inc 1407 Allen Dr, Troy 48083 | (248) 583-0400 |
| Leggett & Platt Automotive 1395 Wheaton Dr 600, Troy 48083 | (248) 280-0333 |