| Business | Phone |
| Yamaichi Electronics 6111 Twin Oaks Cir, Dallas 75240 | (972) 778-0655 |
| Airborn Inc 4321 Airborn Dr, Dallas 75252 | (972) 248-0240 |
| Interstate Wire 10355 Sanden Dr, Dallas 75238 | (214) 553-1311 |
| H & W Products 5415 Saturn Dr, Dallas 75237 | (214) 339-3030 |