| Business | Phone |
| Ergonomics Realities 4212 Medical Dr 418, San Antonio 78229 | (210) 949-0283 |
| Applied Human Factors Inc 5503 Grissom Rd 162, San Antonio 78238 | (210) 408-0098 |
| Social & Health Research Ctr 1302 S Saint Marys St, San Antonio 78210 | (210) 533-8886 |
| Workplace Design Inc San Antonio 78232 | (210) 491-4448 |