| Business | Phone |
| Hie Electronics 321 N Central Expy, Mckinney 75070 | (972) 542-2327 |
| Let's Talk Cellular & Wireless 503 N Kentucky St, Mckinney 75069 | (972) 542-1111 |
| Sun Moon Electronics 460 S Hwy 5, Mckinney 75069 | (972) 984-1260 |
| Artesyn Technologies Inc 1605 Pine Hollow Dr, Mckinney 75070 | (972) 540-6554 |
| Power Systems 4100 Eldorado Pkwy 100-, Mckinney 75070 | (972) 542-3124 |
| Tnk Trading 403 Powerhouse 305, Mckinney 75071 | (972) 547-6824 |