| Business | Phone |
| Natvig Telecommunication Inc 3840 Valley View Ln, Irving 75062 | (972) 256-3288 |
| Windstream Communications 201 E John Carpenter Fwy 200, Irving 75062 | (972) 373-1000 |
| Mci 1515 Irene Dr, Irving 75061 | (972) 438-7800 |
| Broadlink Telecom Llc 6210 N Belt Line Rd 150, Irving 75063 | (972) 751-9917 |
| Cybertel Group 8023 N Macarthur Blvd, Irving 75063 | (972) 444-0603 |
| Nokia Inc 6011 Connection Dr, Irving 75039 | (214) 574-5168 |
| Us Wavelink Lp 100 E Royal Ln, Irving 75039 | (972) 501-9595 |
| Necbns 1624 W Walnut Hill Ln, Irving 75038 | (214) 262-6900 |
| Telcom Communications 9901 Valley Ranch Pkwy E, Irving 75063 | (972) 830-9072 |
| Telcom Construction 9901 Valley Ranch Pkwy E, Irving 75063 | (972) 830-9070 |