| Business | Phone |
| Westport Oil & Gas 4301 Westbank Dr, Austin 78746 | (512) 329-7200 |
| Stratco Operating Co Inc 400 Buckeye Trl, Austin 78746 | (512) 306-8620 |
| Oil & Gas Forms 3355 Bee Caves Rd, Austin 78746 | (512) 329-5516 |
| Kachina Oil & Gas Inc 8860 Business Park Dr, Austin 78759 | (512) 418-0878 |
| Daystar Oil & Gas 13809 N Highway 183, Austin 78750 | (512) 331-1231 |
| Honeck Oil Co 6450 Fm 2244, Austin 78746 | (512) 328-3310 |
| J L Lynd Inc 5450 Bee Cave Rd, Austin 78746 | (512) 306-1158 |
| Lucas Petroleum Group 2303 Rio Grande St, Austin 78705 | (512) 236-8211 |
| Damsco 2000 Wychwood Dr, Austin 78746 | (512) 328-9282 |
| Lindenmuth & Assoc 510 Hearn St 200, Austin 78703 | (512) 322-9779 |
| N S Marrow Oil & Gas Props 2630 Exposition Blvd 118, Austin 78703 | (512) 477-7126 |
| Ames 3103 Bee Cave Rd, Austin 78746 | (512) 328-8288 |
| Andrews Oil Lp 2219 Westlake Dr 150, Austin 78746 | (512) 327-0158 |
| Royalty Clearinghouse 401 Congress Ave 1510, Austin 78701 | (512) 458-4545 |
| Exxon Company U S A 10207 Lake Creek Pkwy, Austin 78729 | (512) 996-8108 |