| Business | Phone |
| Ameritex Minerals Inc 8620 N New Braunfels Ave, San Antonio 78217 | (210) 829-7991 |
| Aztec Energy Corp 7801 Broadway St 200, San Antonio 78209 | (210) 824-5334 |
| Blanco Oil Co 8000 W Ih 10, San Antonio 78230 | (210) 349-1600 |
| Sierra Exp Co 900 Ne Loop 410 D408, San Antonio 78209 | (210) 822-5385 |
| Ben M Patterson Jr 613 Nw Loop 410 680, San Antonio 78216 | (210) 377-3703 |
| Burk Royalty Co 900 Ne Loop 410, San Antonio 78209 | (210) 804-1477 |
| Bryan P Ratliff 5170 Broadway St, San Antonio 78209 | (210) 826-7424 |
| Cole Land Co 900 Ne Loop 410, San Antonio 78209 | (210) 820-0110 |
| Coyle-Concord Oil Co 8620 N New Braunfels Ave, San Antonio 78217 | (210) 829-7937 |
| Dan A Hughes Co 8700 Crownhill Blvd, San Antonio 78209 | (210) 820-3378 |
| Daubert Oil & Gas Co 4040 Broadway St 400, San Antonio 78209 | (210) 822-0686 |
| Dynasty Exploration 8546 Broadway St # 105, San Antonio 78217 | (210) 822-6480 |
| Escoba Royalty Corp 8620 N New Braunfels Ave 105, San Antonio 78217 | (210) 822-2667 |
| Fossil Resources 2803 Woodbury Dr # 803, San Antonio 78217 | (210) 826-8808 |
| Garrison Ltd 9901 W Ih 10 200, San Antonio 78230 | (210) 690-3460 |
| Brittany Energy 7373 Broadway St 233, San Antonio 78209 | (210) 785-2893 |
| Gilland Price Inc 8610 N New Braunfels Ave 713, San Antonio 78217 | (210) 826-1138 |
| H L Rymal Estate 900 Ne Loop 410 E116, San Antonio 78209 | (210) 824-7640 |
| Hammer Energy Assets Inc 115 E Travis St, San Antonio 78205 | (210) 472-1122 |
| Hawkins Remote Sensing 8531 N New Braunfels Ave 201, San Antonio 78217 | (210) 829-5330 |
| Jil Oil Corp 10500 Heritage Blvd, San Antonio 78216 | (210) 308-9200 |
| Jpw Energy 1 Riverwalk Pl # 1750, San Antonio 78205 | (210) 527-9900 |
| Kaler Energy Corp 4901 Broadway St 231, San Antonio 78209 | (210) 824-1361 |
| Kerns Petroleum Inc 8700 Crownhill Blvd 705, San Antonio 78209 | (210) 829-0510 |
| Kost Enterprises 8626 Tesoro Dr 801, San Antonio 78217 | (210) 821-6511 |
| John C Thomas 115 E Travis St 1223, San Antonio 78205 | (210) 229-9113 |
| Mark Heinen 11912 Persuasion Dr, San Antonio 78216 | (210) 340-4455 |
| Lewis Energy Group 10101 Reunion Pl 1000, San Antonio 78216 | (210) 384-3200 |
| Mallory Investments 8151 Broadway St 100, San Antonio 78209 | (210) 824-4421 |
| Mc Donald Exploration 7801 Broadway St, San Antonio 78209 | (210) 824-9966 |
| Mooers Oil Corp 10100 Reunion Pl, San Antonio 78216 | (210) 377-3488 |
| Mortimer Exploration Co 1020 Ne Loop 410 555, San Antonio 78209 | (210) 821-6168 |
| Oakrock Exploration Co 8918 Tesoro Dr 500, San Antonio 78217 | (210) 804-0300 |
| Pineridge Exploration Inc 9310 Broadway St, San Antonio 78217 | (210) 822-5330 |
| Rio Exploration Co 8700 Crownhill Blvd 501, San Antonio 78209 | (210) 820-0404 |
| Rio Grand Exploration 8626 Tesoro Dr 460, San Antonio 78217 | (210) 822-8646 |
| Roma Oil & Gas 8620 N New Braunfels Ave 220, San Antonio 78217 | (210) 828-4522 |
| R Azar Oil Co Inc 7373 Broadway St 307, San Antonio 78209 | (210) 829-7151 |
| Scott A Dalrymple 8151 Broadway St, San Antonio 78209 | (210) 826-1014 |
| Sien Energy Co 141 Patterson Ave, San Antonio 78209 | (210) 828-4161 |
| Sjp Exploration 7373 Broadway St 506, San Antonio 78209 | (210) 824-8246 |
| Stanley L Perkins 1800 Ne Loop 410 305, San Antonio 78217 | (210) 828-3889 |
| Tectonic Oil Inc 900 Ne Loop 410 D406, San Antonio 78209 | (210) 824-7225 |
| United Energy Corp 8100 Broadway St 201, San Antonio 78209 | (210) 824-2711 |
| Us Enercorp 8610 N New Braunfels Ave 405, San Antonio 78217 | (210) 829-4888 |
| Venus Oil Co 1250 Ne Loop 410, San Antonio 78209 | (210) 824-8882 |
| Walter G Lagerquist Jr 141 Bryker Dr, San Antonio 78209 | (210) 829-0120 |
| Welder Exploration & Prdctn 115 E Travis St 900, San Antonio 78205 | (210) 354-1515 |
| Wright Brothers Petroleum 13300 Old Blanco Rd 222, San Antonio 78216 | (210) 492-8977 |
| Zepplinn Energy Lp 901 Ne Loop 410, San Antonio 78209 | (210) 930-3111 |
| Barrett Brothers Oil & Gas 21 Lynn Batts, San Antonio 78218 | (210) 829-7831 |
| Blackbrush Energy Inc 300 E Sonterra Blvd 1250, San Antonio 78258 | (210) 495-5577 |
| Boerne Land & Cattle Co Inc 16607 Blanco Rd, San Antonio 78232 | (210) 408-9192 |
| Bommer Engineering Co 1100 Nw Loop 410 305, San Antonio 78213 | (210) 344-0900 |
| Champion Group 800 E Sonterra Blvd 230, San Antonio 78258 | (210) 490-1482 |
| Clarkson Oil 2002 Nw Military Hwy 4, San Antonio 78213 | (210) 377-3221 |
| Advantage Petroleum 19315 Fm 2252 # 304, San Antonio 78266 | (210) 651-3478 |
| Dolch Oil & Gas 1850 Lockhill Selma Rd, San Antonio 78213 | (210) 342-7121 |
| Dolphin Petroleum Llc 300 E Sonterra Blvd, San Antonio 78258 | (210) 641-7420 |
| Holt Pipeline Equipment San Antonio 78222 | (210) 333-9330 |
| Doughtie Exploration 270 N Loop 1604 E 225, San Antonio 78232 | (210) 253-3120 |
| Engeo Energy Group Inc 18934 Las Vistas, San Antonio 78258 | (210) 490-8664 |
| Exploration Co 500 N Loop 1604 E 250, San Antonio 78232 | (210) 496-5300 |
| Sutton Producing Corp 19025 Nacogdoches Loop, San Antonio 78266 | (210) 651-5151 |
| Tidelands Oil & Gas Corp 1862 W Bitters Rd, San Antonio 78248 | (210) 764-8642 |
| Walluk Family Farm 1610 Eagle Pt, San Antonio 78248 | (210) 863-0061 |
| Killam Oil Co-Ltd 16414 San Pedro Ave 920, San Antonio 78232 | (210) 403-3404 |
| Mesa Chica Corp Co Po Box 781046, San Antonio 78278 | (210) 492-6409 |
| Zachry Oil & Gas Properties 24123 Boerne Stage Rd, San Antonio 78255 | (210) 698-2639 |
| Rio-Tex Inc 2015 Evans Rd, San Antonio 78258 | (210) 497-1113 |
| Sage Energy Co 100 Ne Loop 410 1300, San Antonio 78216 | (210) 404-2828 |
| Spiller Operating Co 11103 West Ave 201, San Antonio 78213 | (210) 344-9914 |
| Trinity Securities 3303 Oakwell Ct, San Antonio 78218 | (210) 824-3489 |
| Venture Exploration Corp 800 E Sonterra Blvd 220, San Antonio 78258 | (210) 490-4910 |
| Bpl Exploration 16601 Blanco Rd 122, San Antonio 78232 | (210) 764-7979 |
| Ikie Wilkins 1850 Lockhill Selma Rd 101, San Antonio 78213 | (210) 341-6582 |
| Zarara Oil & Gas Ltd 16607 Blanco Rd 801, San Antonio 78232 | (210) 408-9214 |
| Fossil Resources 331 Shropshire Dr, San Antonio 78217 | (210) 826-8808 |