| Business | Phone |
| Door Tek Corp 9107 Marbach Rd 230, San Antonio 78245 | (210) 674-7223 |
| 3k Data San Antonio 78207 | (210) 416-8501 |
| Xramp Technologies Inc 9086 Vista Verde, San Antonio 78255 | (210) 695-4345 |
| Locksmith SA TX 6250 Montgomery D, San Antonio 78239 | (210) 679-1764 |