| Business | Phone |
| Signature Technologies Inc 13375 N Stemmons Fwy, Dallas 75234 | (972) 488-9777 |
| G E Automation Svc 13550 Floyd Cir, Dallas 75243 | (972) 231-9077 |
| Hoffman Controls 2463 Merrell Rd, Dallas 75229 | (972) 243-7425 |
| Micro-Design Inc 2750 Northaven Rd, Dallas 75229 | (972) 488-8724 |
| Glentech Inc 6500 Greenville Ave, Dallas 75206 | (214) 691-7881 |
| Team Controls 13550 Floyd Cir, Dallas 75243 | (972) 231-0987 |
| Temperature Controls-Dallas 2603 Southwell Rd 101, Dallas 75229 | (972) 241-7086 |
| Barber-Colman Co 12900 Valley Branch Ln, Dallas 75234 | (972) 241-1867 |
| Tracsystems Printing Controls 10830 N Central Expy, Dallas 75231 | (214) 461-9855 |
| Control Innovations Inc 10820 Alder Cir, Dallas 75238 | (972) 241-1861 |
| Genlyte Group 10911 Petal St, Dallas 75238 | (214) 647-7880 |
| Ignitions Systems & Control 3517 Asset St, Dallas 75238 | (214) 340-4492 |
| Long Range Systems 10840 Switzer Ave, Dallas 75238 | (214) 341-4863 |
| Marlin Controls Inc 11011 Regency Crest Dr, Dallas 75238 | (214) 553-5700 |
| Temperature Control Systs Inc 10315 Brockwood Rd, Dallas 75238 | (214) 343-1444 |
| Northlake Controls 17811 Davenport Rd, Dallas 75252 | (972) 980-7663 |
| Ads Inc 3811 E Kiest Blvd, Dallas 75203 | (214) 941-7949 |