| Business | Phone |
| A & L Telephone Svc 6118 Upwood St, San Antonio 78238 | (210) 435-4688 |
| Affordable Telephone Svc 500 Kendall St, San Antonio 78212 | (210) 732-7277 |
| Southwest Century Comms Inc 2929 Mossrock, San Antonio 78230 | (210) 525-0445 |
| Tbc Communications 16423 Ledge Pt, San Antonio 78232 | (210) 699-8353 |
| Cable-Net Communications 5311 Sherri Ann Rd, San Antonio 78233 | (210) 657-9273 |
| A C Telephone Svc & Repair 2210 S Flores St, San Antonio 78204 | (210) 224-1301 |
| Doffing Telewire Svc 6839 Forest Meadow St, San Antonio 78238 | (210) 520-8969 |
| Phonecom 8122 Forsen Dr, San Antonio 78224 | (210) 922-0200 |
| Horizon Telephone Systems 12918 Flagship, San Antonio 78247 | (210) 495-5520 |
| Ics Innovative Communication San Antonio 78258 | (210) 404-0666 |
| Inter-Tel Technologies 12829 Wetmore Rd, San Antonio 78247 | (210) 655-2000 |
| Aluma Systems 18710 Taylore Run, San Antonio 78259 | (210) 490-8710 |
| J-Tech Communications 9822 Copper Elm Dr, San Antonio 78203 | (210) 380-3781 |
| Nii Communications 1717 N Loop 1604 E 250, San Antonio 78232 | (210) 647-4600 |
| Tba Communications San Antonio 78249 | (210) 695-4749 |
| Telephone Installers Inc San Antonio 78232 | (210) 545-5229 |
| Vaughn Communication 5492 Walzem Rd # 327, San Antonio 78218 | (210) 662-8383 |
| Atc Inc 16120 College Oak # 102, San Antonio 78249 | (210) 655-3700 |