201 | Houston Oil Prod Enterprises,Inc | Houston, TX 77006 | Oil & Gas Operator | Mar 2025 |
202 | Howard Exploration, Inc. | Houston, TX 77069 | Oil & Gas Operator | Mar 2025 |
203 | HS Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2005 |
204 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Mar 2025 |
205 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
206 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
207 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
208 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
209 | Ipact | Austin, TX 78734 | Oil & Gas Operator | Mar 2025 |
210 | Island Exploration | Houston, TX 77058 | Oil & Gas Operator | Mar 2025 |
211 | J & L Partners | Dallas, TX 75370 | Oil & Gas Operator | Dec 2005 |
212 | J.R. Oil And Gas Inc. | Alvin, TX 77511 | Oil & Gas Operator | Mar 2025 |
213 | Jay Management Company LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2025 |
214 | Jet Oil Producers, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Mar 2025 |
215 | Jil Oil Corp. | San Antonio, TX 78279 | Oil & Gas Operator | Mar 2025 |
216 | JMC Resources Corp. | Houston, TX 77077 | Oil & Gas Operator | Mar 2025 |
217 | Joy Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 2025 |
218 | K-B Exploration Co. | Houston, TX 77057 | Oil & Gas Operator | Mar 2025 |
219 | K.M.A. Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
220 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Mar 2025 |
221 | Kansas Oil & Gas Corporation | Woodland HLS, CA 91367 | Oil & Gas Operator | Feb 2001 |
222 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
223 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
224 | Kerns Petroleum, Inc. | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2013 |
225 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Jun 2024 |
226 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
227 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
228 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
229 | Kestrel Resources, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Jan 2017 |
230 | Kinder Morgan Tejas Pipeline LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
231 | King Oil & Resources Co | Midland, TX 79705 | Oil & Gas Operator | Mar 2025 |
232 | King Operating Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Mar 2025 |
233 | Kingwood Exploration LLC | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2025 |
234 | Lacy, F. B. Inc. | Houston, TX 77055 | Oil & Gas Operator | Sep 1997 |
235 | Lapis Operating, Inc. | Houston, TX 77042 | Oil & Gas Operator | Jul 2015 |
236 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
237 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 2025 |
238 | Likover Oil Company | Houston, TX 77024 | Oil & Gas Operator | Mar 2005 |
239 | Linan Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Mar 2025 |
240 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Mar 2025 |
241 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
242 | Llog Exploration Texas, L.P. | Covington, LA 70433 | Oil & Gas Operator | Mar 2025 |
243 | Llox, L.L.C. | Covington, LA 70433 | Oil & Gas Operator | Mar 2025 |
244 | Lomak Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1998 |
245 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
246 | M & R Exploration Company | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
247 | Magnum Engineering Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
248 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
249 | Magnum Producing, LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
250 | Maralo, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1998 |
251 | Marlin Energy Southwest GP, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Mar 2025 |
252 | Masters Oil & Gas, LLC | Houston, TX 77079 | Oil & Gas Operator | Mar 2025 |
253 | Masters Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Dec 2008 |
254 | Maverick Drilling Co., Inc. | Austin, TX 78729 | Oil & Gas Operator | Mar 2015 |
255 | Maxim Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Nov 2024 |
256 | McCarter, A. Nelson | Houston, TX 77063 | Oil & Gas Operator | Aug 2003 |
257 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
258 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Mar 2025 |
259 | McGowen Resources Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2003 |
260 | Meridian Resource & Expl LLC,The | Houston, TX 77094 | Oil & Gas Operator | Nov 2012 |
261 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Mar 2025 |
262 | MGF Oil Corporation | Tulsa, OK 74121 | Oil & Gas Operator | Jun 1998 |
263 | Middleton Oil Company | Houston, TX 77006 | Oil & Gas Operator | Mar 2025 |
264 | Midpar L.P. | Midland, TX 79702 | Oil & Gas Operator | Feb 1995 |
265 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
266 | Miller, Bob I. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
267 | Minexprod LLC | Katy, TX 77494 | Oil Operator | Mar 2025 |
268 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
269 | MJ Oil, Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2025 |
270 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |
271 | Mortimer Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2003 |
272 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
273 | Mueller Exploration, Inc. | Portland, TX 78374 | Oil & Gas Operator | Mar 2025 |
274 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
275 | National Offshore LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
276 | National Onshore LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
277 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Mar 2025 |
278 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Mar 2025 |
279 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2025 |
280 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
281 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
282 | Nicor Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
283 | Nicor Production Company | Houston, TX 77002 | Oil & Gas Operator | May 1993 |
284 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Mar 2025 |
285 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Mar 2025 |
286 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
287 | North Lake Resources LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Mar 2025 |
288 | O'Sullivan Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2000 |
289 | Odum Oil & Gas Co. | Harper, TX 78631 | Oil & Gas Operator | Mar 2025 |
290 | Oil Coast Corp. | S Houston, TX 77587 | Oil & Gas Operator | Mar 2025 |
291 | Oil Lease Operating Co. | Coldspring, TX 77331 | Oil & Gas Operator | Aug 2003 |
292 | Oil Well Buyers Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
293 | Onshore Royalties LLC | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
294 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
295 | Osyka Producing Company, Inc. | Houston, TX 77242 | Oil & Gas Operator | Mar 2025 |
296 | Otex Resources LLC | Baytown, TX 77520 | Oil & Gas Operator | Mar 2025 |
297 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
298 | Padon, Frank B. Oil Oper., Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1998 |
299 | Palace Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
300 | Palisades Operating Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |