201 | Lewis Petro Properties, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
202 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
203 | Loin Energy Corporation | La Grange, TX 78945 | Oil & Gas Operator | Apr 2024 |
204 | Lonestar Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
205 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
206 | M IV Ops., Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1998 |
207 | M V Purchasing LLC | Wichita, KS 67202 | Oil & Gas Operator | Oct 2022 |
208 | Magnum Engineering Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
209 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
210 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Feb 2024 |
211 | Mariah Energy Corp. | Austin, TX 78716 | Oil & Gas Operator | Apr 1999 |
212 | Martineau Petroleum, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
213 | Matador Production Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
214 | Matrix Petroleum, LLC | Houston, TX 77077 | Oil & Gas Operator | Apr 2024 |
215 | May Investments, Inc. | New Boston, TX 75570 | Oil & Gas Operator | Aug 2003 |
216 | McDaniel Company, Inc., The | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
217 | McDay Energy Corp. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
218 | McEna Inc | Tulsa, OK 74135 | Oil & Gas Operator | Jul 2005 |
219 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Feb 2024 |
220 | Metco Oil Corporation | Seguin, TX 78155 | Oil Operator | Apr 2016 |
221 | Mid Texas Natural Gas | Kyle, TX 78640 | Oil & Gas Operator | May 2019 |
222 | Miesch Exploration Corporation | Dallas, TX 75229 | Oil & Gas Operator | Nov 2002 |
223 | Millennium Petro-Physics, Inc. | Corpus Chrsti, TX 78480 | Oil & Gas Operator | Apr 2024 |
224 | Miller, W. C. Operating Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
225 | Mina Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2012 |
226 | Miramar Petroleum, Inc. | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Sep 2017 |
227 | Mission River Systems, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Apr 2024 |
228 | Mitsui E&P USA LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
229 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
230 | Mobile Production Systems, Inc. | Austin, TX 78711 | Oil & Gas Operator | Feb 1995 |
231 | Modern Exploration, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 2024 |
232 | Mohican Oil & Gas, L.L.C. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2013 |
233 | MPG Petroleum | San Antonio, TX 78217 | Oil & Gas Operator | Aug 2003 |
234 | Mueller Engineering Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Feb 2002 |
235 | Murphy Expl. & Prod. Co. - USA | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
236 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
237 | Navajo Exploration, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Apr 2024 |
238 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Apr 2024 |
239 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
240 | Null, W. M. & San Patricio Corp. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Aug 1994 |
241 | Null, W.M. Operations, Inc. | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Jun 2002 |
242 | Oilton Resources, Inc. | Laredo, TX 78041 | Oil & Gas Operator | Apr 2024 |
243 | Okla. Magic Circle Energy Corp. | Shawnee, OK 74801 | Oil & Gas Operator | Jul 2004 |
244 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
245 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
246 | Osborn Heirs Co | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2024 |
247 | Outline Oil Corp. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
248 | Overly Operating Co. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
249 | P.B. Blue Dot Properties | Wexford, PA 15090 | Oil & Gas Operator | Apr 2024 |
250 | Patterson, Ben M., Jr. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2003 |
251 | Payrock II, LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2020 |
252 | Pearl, Bill H. Productions, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Apr 2024 |
253 | Pearsall Partners | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
254 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Apr 2024 |
255 | Perdido Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Apr 2024 |
256 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
257 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
258 | Petrolero Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 1998 |
259 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Apr 2024 |
260 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Apr 2024 |
261 | Phillips 66 Company | Bartlesville, OK 74004 | Oil & Gas Operator | Aug 1997 |
262 | Phillips, Jack L. Co. | Gladewater, TX 75647 | Oil & Gas Operator | Apr 2024 |
263 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Apr 2024 |
264 | Plains Marketing LP | Cushing, OK 74023 | Oil & Gas Operator | Dec 2022 |
265 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Dec 2023 |
266 | Pressly Oil Interest, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
267 | Progas Properties, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
268 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2024 |
269 | Pursuit Oil & Gas STX, LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
270 | Pursuit Oil & Gas, LLC | Houston, TX 77024 | Gas Operator | Sep 2019 |
271 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
272 | PXP Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2007 |
273 | Pyle Petroleum, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Apr 2024 |
274 | Quest Research & Dev. Corp. | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2024 |
275 | Quintana Minerals Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2003 |
276 | Quintana Pet. Corp. | Refugio, TX 78377 | Oil & Gas Operator | Dec 2000 |
277 | Quintana Petroleum Services | Houston, TX 77253 | Oil & Gas Operator | Jul 1997 |
278 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Apr 2024 |
279 | Ram Operating Inc. | Browns, IL 62818 | Oil & Gas Operator | Aug 2008 |
280 | Regal Petroleum Services | Euless, TX 76039 | Oil & Gas Operator | Aug 2002 |
281 | Repsol Eagle Ford North, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2023 |
282 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2024 |
283 | Rexcom, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
284 | Ridgemar Energy Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
285 | Riley Exploration, LLC | Blanchard, OK 73010 | Oil & Gas Operator | Apr 2024 |
286 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Apr 2024 |
287 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
288 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
289 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Apr 2024 |
290 | Rocc Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
291 | Roland Carlson LLC | Victoria, TX 77901 | Gas Operator | Apr 2024 |
292 | Roma Oil And Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
293 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
294 | Rosewood Resources, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
295 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
296 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2024 |
297 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
298 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
299 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Apr 2024 |
300 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |