| Business | Phone |
| Chihuahuan Desert Rsrch Inst Science Bldg 304, Alpine 79830 | (432) 837-8370 |
| Ex Student's Assn Sul Ross State University, Alpine 79830 | (432) 837-8059 |
| Ex Student's Association Po Box C187, Alpine 79830 | (432) 837-8697 |
| Poatri Owner Info Hc 65 Box 220, Alpine 79830 | (432) 371-3146 |