| Business | Phone |
| Trca 3401 E University Dr 103, Denton 76208 | (940) 565-5000 |
| Comstock Telcom 608 N Bell Ave, Denton 76209 | (940) 484-0221 |
| Venture Communications 525 Fort Worth Dr 212, Denton 76201 | (940) 383-0622 |
| American Business Telecom Inc 525 Fort Worth Dr, Denton 76201 | (940) 387-4444 |