201 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
202 | Kerr-McGee Oil & Gas Onshr LLC | | Oil & Gas Operator | Dec 2005 |
203 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
204 | Key Operating Co., Inc. | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
205 | Kilroy Co. Of Texas, Inc. | | Oil & Gas Operator | Jun 1991 |
206 | Kindee Oil & Gas Louisiana, LLC | | Oil & Gas Operator | Aug 2012 |
207 | King Ranch Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 1997 |
208 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
209 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
210 | Kraker & Martin Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
211 | L E Carpenter Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1985 |
212 | L.L. Oil Company | Freer, TX 78357 | Oil & Gas Operator | Mar 2025 |
213 | La. Fete Oil & Gas, Inc. | | Oil & Gas Operator | May 1995 |
214 | La. Land & Expl. Co. | | Oil & Gas Operator | Dec 2010 |
215 | La. Onshore Properties Inc. | | Oil & Gas Operator | Dec 2000 |
216 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
217 | Lakeside Resources | | Oil & Gas Operator | Mar 1989 |
218 | Lamar Hunt | | Oil & Gas Operator | Oct 2003 |
219 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
220 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
221 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
222 | Leeward Operators LLC | | Oil & Gas Operator | Jul 2011 |
223 | Leger Production Company, Inc. | | Oil & Gas Operator | Apr 1984 |
224 | Lewis Operating Company | Holliday, TX 76366 | Oil & Gas Operator | Mar 2025 |
225 | Liberty Oil And Gas Corp. | Olney, IL 62450-2489 | Oil & Gas Operator | Dec 2021 |
226 | Liberty Resources, Inc. | | Oil & Gas Operator | Dec 2024 |
227 | Linder Oil Company | | Oil & Gas Operator | Apr 1985 |
228 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Mar 2025 |
229 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
230 | Longhorn Oil & Gas Company | | Oil & Gas Operator | Sep 1982 |
231 | Louisiana Gas System, Inc. | | Oil Operator | Apr 2004 |
232 | Luca Operation, LLC | | Oil & Gas Operator | Feb 2016 |
233 | Lyons Petroleum, Inc. | | Oil & Gas Operator | Oct 1988 |
234 | M & M Investments | | Oil & Gas Operator | May 1990 |
235 | M. P. S. Prod. Co. | Houston, TX 77225 | Oil & Gas Operator | Dec 1996 |
236 | Mammoth Service Group, LLC | | Oil & Gas Operator | Dec 2024 |
237 | Manti Operating Company | Covington, LA 70435 | Oil & Gas Operator | Mar 2025 |
238 | Mar-Low Corporation | | Oil & Gas Operator | Mar 1992 |
239 | Marion Corporation | | Oil & Gas Operator | Jan 2001 |
240 | Mark L Shidler Inc | Houston, TX 77055 | Oil & Gas Operator | Dec 2024 |
241 | Mark Producing, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 1987 |
242 | Marlin Exploration, Inc. | | Oil & Gas Operator | Oct 2006 |
243 | Marquis Resources, LLC | | Oil & Gas Operator | Jul 2021 |
244 | Marshall Prod. & Energy Inc. | | Oil & Gas Operator | Jan 1992 |
245 | Maxus Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Jan 1995 |
246 | Mayne & Mertz, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2013 |
247 | Mbo, LLC | | Oil Operator | Jan 2025 |
248 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
249 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Mar 2025 |
250 | McMoran Oil & Gas LLC | New Orleans, LA 70160 | Oil & Gas Operator | Oct 2021 |
251 | McMoran-Transco | | Oil & Gas Operator | Aug 1979 |
252 | McRae Exploration & Prod., Inc. | Houston, TX 77064 | Oil & Gas Operator | Feb 2017 |
253 | Medallion Petroleum, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2015 |
254 | Medallion Production Company | Tulsa, OK 74103 | Oil & Gas Operator | May 1997 |
255 | Medders Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2025 |
256 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
257 | Mesa Operating LTD Partnership | Amarillo, TX 79189 | Oil & Gas Operator | May 1994 |
258 | Micron Minerals Company | | Oil & Gas Operator | Sep 1988 |
259 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
260 | Miller Oil Field Services, Inc | | Oil Operator | Feb 1990 |
261 | Mobil E&P North America Inc. | | Oil & Gas Operator | Jan 1994 |
262 | Mobil Oil E & P Southeast Inc | | Oil & Gas Operator | Sep 2013 |
263 | Moore Oil & Gas-Marion Corp. | | Oil & Gas Operator | Nov 1986 |
264 | MTBB Acquisition Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2022 |
265 | Mullen Exploration Inc | | Oil & Gas Operator | Dec 2002 |
266 | MVM Resources Louisiana L.L.C. | | Oil & Gas Operator | Jan 2025 |
267 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
268 | National Energy Group, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
269 | National Exploration Company | | Oil & Gas Operator | Mar 1982 |
270 | Natomas North America Inc | | Oil & Gas Operator | Aug 1993 |
271 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2024 |
272 | Newhaven Operating Inc | | Oil & Gas Operator | Dec 1998 |
273 | Nicco Operating Co. | | Oil & Gas Operator | May 1990 |
274 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Mar 2025 |
275 | Nucorp Energy, Inc. | | Oil & Gas Operator | Jan 1985 |
276 | Occidental Energy Company, Inc. | Houston, TX 77282 | Oil & Gas Operator | Jul 2021 |
277 | Ody Oil Corp. | | Oil & Gas Operator | Oct 1994 |
278 | Oleum Incorporated | | Oil & Gas Operator | Mar 1996 |
279 | Oleum Operating Company, L.C. | Longview, TX 75606 | Oil & Gas Operator | Dec 2021 |
280 | Olipdp II, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Mar 2025 |
281 | Onyxx Energy LLC | | Oil & Gas Operator | Mar 2017 |
282 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
283 | P.C.S.I. | | Oil & Gas Operator | Jun 1987 |
284 | Pan-Ok Production Company | | Oil & Gas Operator | Nov 2024 |
285 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2025 |
286 | Parker & Parsley Petroleum Co. | | Oil & Gas Operator | Dec 1990 |
287 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
288 | Pel-Tex Oil Company, Inc. | | Oil & Gas Operator | Jul 1995 |
289 | Perdido Energy Louisiana, LLC | | Oil & Gas Operator | Dec 2024 |
290 | Perdura Energy L.L.C. | | Oil & Gas Operator | Apr 2018 |
291 | Petrocana,Inc. | | Oil & Gas Operator | Aug 1993 |
292 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | Nov 2024 |
293 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Mar 2025 |
294 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Mar 2025 |
295 | Pharaoh & Associates, Inc. | Houston, TX 77252 | Oil & Gas Operator | Aug 2002 |
296 | Phillips Oil Company | Casper, WY 82602 | Oil & Gas Operator | Sep 1986 |
297 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
298 | Phoenix Exploration Company LP | | Oil & Gas Operator | Sep 2011 |
299 | Phoenix Oil & Gas LTD., L.L.P. | Houston, TX 77010 | Oil & Gas Operator | Jun 2004 |
300 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jul 2024 |