| Business | Phone |
| Duderstadt Stake Co Inc 10930 Wye St 109, San Antonio 78217 | (210) 599-2801 |
| Geoshack 903 E Nakoma St 102, San Antonio 78216 | (210) 521-7732 |
| Easy Drive 906 Ruiz St, San Antonio 78207 | (210) 227-5975 |
| Surveyors Optical Svc 5843 Sun Farm, San Antonio 78244 | (210) 661-5288 |