| Business | Phone |
| Walker Energy Inc 706 Guadalupe St, Austin 78701 | (512) 457-8711 |
| Texas Royalty Corp 2215 Westlake Dr, Austin 78746 | (512) 306-1774 |
| Texas Royalty Corp 500 N Capital Of Texas Hwy, Austin 78746 | (512) 306-1717 |
| Titan Energy 106 E 6th St 800, Austin 78701 | (512) 322-5360 |
| Titan Energy Inc 101 W 6th St, Austin 78701 | (512) 744-9004 |
| Twr Exploration 1301 S Capital Of Texas Hwy, Austin 78746 | (512) 329-5454 |
| Tierra Energy 7000 N Mo Pac Expy, Austin 78731 | (512) 480-9119 |
| Scott Pinnacle Ventures Inc 3613 Kentfield Rd, Austin 78759 | (512) 345-6639 |
| Raptor Resources Inc 901 Rio Grande St, Austin 78701 | (512) 478-4427 |
| Ruwco Oil & Gas Corp 802 Rio Grande St, Austin 78701 | (512) 476-5500 |
| Oculus Energy 400 W 15th St, Austin 78701 | (512) 391-0900 |
| Oil & Gas Acquisition Inc 500 N Capital Of Texas Hwy, Austin 78746 | (512) 330-9380 |
| Omni Petroleum 248 Addie Roy Rd B204, Austin 78746 | (512) 327-2598 |
| Patterson Petroleum 901 S Mo Pac Expy, Austin 78746 | (512) 328-8085 |
| Petroleum Exploration-Texas 805 Las Cimas Pkwy, Austin 78746 | (512) 330-0022 |
| Lawbar Petroleum Inc 221 E 9th St 401, Austin 78701 | (512) 472-2189 |
| Advanced Micromagnetics Inc 8705 Shoal Creek Blvd 111, Austin 78757 | (512) 459-5080 |
| Aggieland Salt Water Disposal 4202 Farhills Dr, Austin 78731 | (512) 467-2424 |
| Bartling Oil Co 5910 Courtyard Dr, Austin 78731 | (512) 795-9573 |
| Jones Energy Ltd 807 Las Cimas Pkwy 350, Austin 78746 | (512) 328-2953 |
| Blackstone Energy 11500 Brandon Parke Trl, Austin 78750 | (512) 219-1896 |
| Cinco Natural Resources Corp 10323 Lake Creek Pkwy, Austin 78750 | (512) 249-9701 |
| Geddie Oil Co 5524 Bee Cave Rd K3, Austin 78746 | (512) 327-4735 |
| Lancer Resources Co 1301 W 25th St 560, Austin 78705 | (512) 481-1775 |
| Foy Natural Resources Llc 111 Congress Ave, Austin 78701 | (512) 391-0300 |
| Dakota Resources Inc 1406 Camp Craft Rd, Austin 78746 | (512) 306-8878 |
| Panther Petroleum Inc 3724 Jefferson St, Austin 78731 | (512) 327-8100 |
| Cazar Energy 706 Guadalupe St, Austin 78701 | (512) 457-0454 |
| Texas Vanguard Oil Co 9811 Anderson Mill Rd 202, Austin 78750 | (512) 331-6781 |
| Bluco Production Co Inc 3355 Bee Cave Rd, Austin 78746 | (512) 306-0750 |
| Bull Creek Resources Inc 1406 Camp Craft Rd, Austin 78746 | (512) 329-6627 |
| C G Operations Inc 1016 Mo Pac Cir, Austin 78746 | (512) 330-0251 |
| Carson Energy Inc 1114 Lost Creek Blvd 500, Austin 78746 | (512) 328-0059 |
| Douglas B Watkins 309 Bowie St, Austin 78703 | (512) 542-9780 |
| Austin Energy Inc 7813 Texas Plume Rd, Austin 78759 | (512) 336-9366 |
| Anadarko Petroleum Corp 1001 Congress Ave 400, Austin 78701 | (512) 499-8085 |
| Andrews & Corkran Oil & Gas 2219 Westlake Dr, Austin 78746 | (512) 306-9422 |
| Apex Resources Inc 1705 S Capital Of Tx Hwy 205, Austin 78746 | (512) 328-0647 |
| Aubris 1001 Westbank Dr, Austin 78746 | (512) 328-8184 |
| Akg Oil Co 506 W 14th St B, Austin 78701 | (512) 494-1001 |
| Stanton Petroleum Inc Po Box 300190, Austin 78703 | (512) 480-0808 |
| Visos Energy 2600 Lake Austin Blvd, Austin 78703 | (512) 476-6452 |
| J A Spiller Oil & Gas Producer 8838 Chalk Knoll Dr, Austin 78735 | (512) 327-2545 |
| Johnson Royalties 13625 Pond Springs Rd 107, Austin 78729 | (512) 331-5131 |
| Kodiak Resources Inc 3698 Ranch Road 620 S 113, Austin 78738 | (512) 263-9212 |
| Murphy Oil Usa Inc 9300 S I H 35 B1, Austin 78748 | (512) 280-6956 |
| John R Schneider 4107 Medical Pkwy, Austin 78756 | (512) 458-4755 |
| Solana 1006 N Quinlan Park Rd, Austin 78734 | (512) 266-0649 |
| Steward Energy Resources Llc 1524 S Ih 35, Austin 78704 | (512) 448-0755 |
| Sunwest Mineral Inc 12434 Fm 2244, Austin 78738 | (512) 402-9655 |
| Travis Energy 906 E 5th St, Austin 78702 | (512) 493-0929 |
| Ultra Oil & Gas 3821 Juniper Trce 205, Austin 78738 | (512) 328-6565 |
| Wjw Operating Co 3698 Ranch Road 620 S, Austin 78738 | (512) 263-0991 |
| Amarado Oil 7 Lakeway Center Ct 200, Austin 78734 | (512) 346-9241 |
| Bartling Oil Co 1001 Canyon Edge Dr, Austin 78733 | (512) 795-9593 |
| Brigham Oil & Gas Lp 6300 Bridge Point Pkwy 500, Austin 78730 | (512) 427-3300 |
| Ameristate Oil & Gas 7 Lakeway Center Ct 100, Austin 78734 | (512) 263-0600 |
| Property Development Group Inc 6300 Bridge Point Pkwy 1-20, Austin 78730 | (512) 687-1111 |
| Richman Oil Corp 10713 Ranch Road 620 N, Austin 78726 | (512) 249-9252 |
| Richman Oil Corp 12417 River Bnd, Austin 78732 | (512) 266-2237 |
| Royalty Owners Svc 9804 Bal Harbor Rd, Austin 78733 | (512) 263-3484 |
| Consolidated Petroleum Prtnrs 4833 Spicewood Springs Rd, Austin 78759 | (512) 346-6413 |
| Caslano On Lake Austin 12801 1/2 Shore Vista Dr, Austin 78734 | (512) 266-0649 |
| Farmers Franco Insurance Agcy 12710 Research Blvd 130, Austin 78759 | (512) 249-5029 |
| TAP Management 515 Congress Avenue, Austin 78701 | (512) 527-6000 |