| Business | Phone |
| Intuitive Circuits 3928 Wardlow Ct, Troy 48083 | (248) 524-1918 |
| L G Electronics 1307 Allen Dr, Troy 48083 | (248) 616-1901 |
| Ablezone 3456 Rochester Rd, Troy 48083 | (248) 689-9883 |
| Temic Micro Electronics 2701 Troy Center Dr, Troy 48084 | (248) 244-1400 |
| Saia Burgess Electronics 4579 Cahill Dr, Troy 48098 | (248) 524-2701 |
| Sala-Burgess Electronics 627 E Maple Rd, Troy 48083 | (248) 524-2702 |
| Radio Shack 604 W 14 Mile Rd, Troy 48083 | (248) 588-9144 |
| Sharp Electronics Corp 3001 W Big Beaver Rd, Troy 48084 | (248) 458-1527 |