| Business | Phone |
| Viseon Inc 545 E John Carpenter Fwy, Irving 75062 | (214) 424-5700 |
| Plexnet Communications Irving 75061 | (972) 251-4500 |
| Winstar Gateway Network Inc 5221 N O Connor Blvd, Irving 75039 | (214) 401-2991 |
| Consolidated Communications 300 Decker Dr, Irving 75062 | (214) 774-3101 |