| Business | Phone |
| A 1 Door Systems 110 Blanco Rd, San Antonio 78212 | (210) 732-1214 |
| A-1 Door & Glass 110 Blanco Rd, San Antonio 78212 | (512) 442-0153 |
| Advanced Door Control Systems 18745 Goll St 201, San Antonio 78266 | (210) 341-1084 |
| Texas Access Controls Inc 10203 Kotzebue St, San Antonio 78217 | (210) 224-6766 |
| United Door Svc 10919 Iota Dr, San Antonio 78217 | (210) 946-2400 |
| Universal Automatic Door 311 Breesport St, San Antonio 78216 | (210) 979-6393 |
| Apollo Gate Operators Inc 12902 Delivery, San Antonio 78247 | (210) 545-2900 |
| Automatic Entrance Systems Inc 814 Lockhill Selma Rd, San Antonio 78213 | (210) 341-2423 |
| Smart Built Homes San Antonio 78232 | (210) 494-7744 |
| Superior Overhead Door Co 12250 Ridge Crown St, San Antonio 78247 | (210) 495-4985 |
| Tormax Technologies 11803 Starcrest Dr, San Antonio 78247 | (210) 494-3551 |