| Business | Phone |
| Eurotherm-Pyramid Process 11212 Indian Trl, Dallas 75229 | (817) 540-1468 |
| Long Range Systems 9855 Chartwell Dr, Dallas 75243 | (214) 221-0160 |
| Sunbelt Power Controls 2412 Richland Ave 102, Dallas 75234 | (972) 620-2950 |
| Cla-Val Co 8707 Forney Rd, Dallas 75227 | (214) 388-3493 |