| Business | Phone |
| In-Touch Communications Po Box 60372, San Angelo 76906 | (325) 949-4794 |
| Southwest Tel-Supply 118 Buckskin Dr, San Angelo 76904 | (325) 658-1228 |
| Telecommunication Systems 3828 Old Christoval Rd, San Angelo 76904 | (325) 651-9441 |
| Telephone Professional 2801 Southwest Blvd, San Angelo 76904 | (325) 655-0507 |
| Telmar Network Technology 725 Knickerbocker Rd, San Angelo 76903 | (325) 655-4174 |
| Verizon 2017 Knickerbocker Rd, San Angelo 76904 | (325) 944-7492 |