| Business | Phone |
| Airwave Radio Inc 1138 Basse Rd, San Antonio 78212 | (210) 732-5221 |
| D X Radio Systems Inc 211 Royal Oaks Dr, San Antonio 78209 | (210) 572-1555 |
| Industrial Communications 1019 E Euclid Ave, San Antonio 78212 | (210) 226-3682 |
| K Comm Inc 10815 Gulfdale St, San Antonio 78216 | (210) 344-3311 |
| San Antonio 2-Way Comms 214 Losoya St, San Antonio 78205 | (210) 226-9210 |
| All Points Communications Inc 12131 Jones Maltsberger Rd, San Antonio 78247 | (210) 348-9205 |
| Com-Net Ericsson 3440 E Houston St, San Antonio 78219 | (210) 893-6700 |
| Dailey & Wells Communications 3440 E Houston St, San Antonio 78219 | (210) 893-6500 |
| Dalley & Wells Communications 329 S Frio St, San Antonio 78207 | (210) 893-6570 |
| Communications Etc 123 Whitewood St, San Antonio 78242 | (210) 673-6299 |