| Business | Phone |
| Beechwood Data Systems 801 E Campbell Rd, Richardson 75081 | (972) 690-9070 |
| Brower Design Svc Inc 2077 N Collins Blvd 115, Richardson 75080 | (972) 907-2964 |
| Commtech Sales 1701 N Greenville Ave, Richardson 75081 | (972) 234-1447 |
| Consulting Ph 1419 Chesterton Dr, Richardson 75080 | (972) 234-1370 |
| Eagle Merritt Pcs 1306 Edgewood Dr, Richardson 75081 | (972) 994-9059 |
| Lic Intl Inc 800 E Campbell Rd, Richardson 75081 | (972) 234-8997 |
| Light Sand Communications 1705 Analog Dr, Richardson 75081 | (972) 680-1750 |
| Martinez Brower Group 1208 Executive Dr W, Richardson 75081 | (972) 437-6977 |
| Rje Consulting 1701 N Greenville Ave 819, Richardson 75081 | (972) 671-9430 |
| West Wave Communications 800 E Campbell Rd, Richardson 75081 | (972) 437-4053 |
| Wilkins Group Inc 1710 Firman Dr # 200, Richardson 75081 | (972) 479-1090 |