| Business | Phone |
| Addaline.Com 1000 E Belt Line Rd # 104, Carrollton 75006 | (469) 546-1265 |
| Avaya Inc 3410 Midcourt Rd 115, Carrollton 75006 | (972) 391-4000 |
| Bsl Telephony Svc Inc 3414 Midcourt Rd 104, Carrollton 75006 | (972) 934-0003 |
| Dlt Motive Power Inc 2420 Mciver Ln 104, Carrollton 75006 | (972) 241-3047 |
| Gateway Technologies Inc 1544 Valwood Pkwy, Carrollton 75006 | (972) 241-1535 |
| Goodman Networks 2081 Hutton Dr, Carrollton 75006 | (972) 406-1754 |
| Lisn Holding Co 3361 Boyington Dr 140, Carrollton 75006 | (972) 387-0200 |
| Mas Tec 1404 Vinylex Dr, Carrollton 75006 | (972) 446-2687 |
| Mas Tec 1420 Valwood Pkwy, Carrollton 75006 | (972) 243-5600 |
| P C Communications 2812 Trinity Square Dr, Carrollton 75006 | (972) 467-5481 |
| Texas Tcs Inc 2081 Hutton Dr, Carrollton 75006 | (972) 241-0700 |
| Vartech Telecom 2440 Marsh Ln, Carrollton 75006 | (214) 424-1000 |