| Business | Phone |
| Kelly H Baxter 807 Brazos St, Austin 78701 | (512) 477-4755 |
| R M Kolb & Assoc Austin 78705 | (512) 875-2584 |
| Critical Wireless Corp 901 S Mo Pac Expy, Austin 78746 | (512) 327-9510 |
| Non-Pub Sonora Petruleum Austin 78734 | (512) 266-9399 |
| Redstone Operating Inc 1200 Lakeway Dr, Austin 78734 | (512) 261-9390 |
| Sonora Petroleum Corp 4301 Hudson Bend Rd, Austin 78734 | (512) 266-7799 |
| Katsco Energy 1607 N Cuernavaca Dr, Austin 78733 | (512) 244-2058 |