201 | Hughes Eastern Petroleum, Inc. | | Oil & Gas Operator | Apr 1993 |
202 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
203 | Hunt Petroleum (Aec), Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
204 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
205 | Hydrocarbon MGMT., Inc. | | Oil & Gas Operator | Mar 1997 |
206 | Imc Exploration Co. | | Oil & Gas Operator | Oct 1986 |
207 | Imperial-American Energy,Inc. | | Oil & Gas Operator | Jul 1978 |
208 | Ingo Energy, LLC | | Oil & Gas Operator | Dec 2016 |
209 | Intercoast Oil And Gas Company | Tulsa, OK 74136 | Oil & Gas Operator | Jun 1997 |
210 | International Oil & Gas Corp. | | Oil & Gas Operator | Dec 1986 |
211 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
212 | James A. Whitson, Jr. | | Oil & Gas Operator | Apr 2016 |
213 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2024 |
214 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
215 | K-B Exploration Co. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
216 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2024 |
217 | Kaneb Energy Company | | Oil & Gas Operator | Jan 1986 |
218 | Kaneb Operg Co. LTD. PTN. | | Oil & Gas Operator | Aug 1988 |
219 | Kash Oil And Gas, Inc | | Oil & Gas Operator | Oct 2020 |
220 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
221 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
222 | Kelley Oil Corp/Yuma Petroleum | | Gas Operator | Jun 1994 |
223 | Kelley Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
224 | Kelly H. Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |
225 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
226 | Key Operating Co., Inc. | Duncan, OK 73534-1284 | Oil & Gas Operator | Jun 2024 |
227 | Keystone Exploration, Inc | College Sta, TX 77845 | Oil & Gas Operator | Dec 2024 |
228 | Kilroy Co. Of Texas, Inc. | | Oil & Gas Operator | Jun 1991 |
229 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
230 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
231 | Kraker & Martin Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
232 | Kriti Te Energy, Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 2017 |
233 | La Intrastate Gas Co LLC | | Oil Operator | Apr 2004 |
234 | La. Land & Expl. Co. | | Oil & Gas Operator | Dec 2010 |
235 | La. Mining & Minerals, Inc. | | Oil & Gas Operator | Jul 2000 |
236 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
237 | Lake Racourci Gath Sys, LLC | | Oil Operator | May 2004 |
238 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
239 | Laurel Operating Company, Inc. | Stillwater, OK 74074-3025 | Oil & Gas Operator | Sep 2024 |
240 | Lea Exploration, Inc. | | Oil & Gas Operator | Nov 1989 |
241 | Legacy Operating Company | | Oil & Gas Operator | Aug 1992 |
242 | LGS Exploration, Inc. | | Oil & Gas Operator | Jan 1991 |
243 | Linder Energy/La General Oil | | Oil & Gas Operator | Mar 1989 |
244 | Linder Oil Company | | Oil & Gas Operator | Apr 1985 |
245 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2024 |
246 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
247 | Llog Exploration Company, L.L.C. | | Oil & Gas Operator | Sep 2024 |
248 | Louisiana Gas Development Corp | | Oil & Gas Operator | Jul 2024 |
249 | Louisiana Intrastate Gas Corp. | | Oil Operator | Feb 1994 |
250 | Lynal, Inc. | | Oil & Gas Operator | Oct 1988 |
251 | Lyons Petroleum, Inc. | | Oil & Gas Operator | Oct 1988 |
252 | M & Z Engineering, Inc. | | Oil & Gas Operator | May 1998 |
253 | M. F. McCain, Inc. | | Oil & Gas Operator | Jul 1987 |
254 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
255 | Main Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 2009 |
256 | Mandalay Oil & Gas, L.L.C. | | Oil & Gas Operator | May 2008 |
257 | Mannon L. Walters, Inc. | | Oil & Gas Operator | Jun 2024 |
258 | Map Drilling Company | | Oil & Gas Operator | Apr 2012 |
259 | Maple Gulf Coast Props. Corp. | | Oil & Gas Operator | Jun 1989 |
260 | Marion Corporation | | Oil & Gas Operator | Jan 2001 |
261 | Maritech Resources, LLC | | Oil & Gas Operator | May 2011 |
262 | Marsh Engineering, Inc. | | Oil & Gas Operator | Dec 1990 |
263 | Marshall Exploration, Inc. | | Oil & Gas Operator | Jul 1992 |
264 | Marshall Prod. & Energy Inc. | | Oil & Gas Operator | Jan 1992 |
265 | Marshland Exploration Company | | Oil & Gas Operator | May 2006 |
266 | Martin Exploration Co. | | Oil & Gas Operator | Apr 1986 |
267 | Masters Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Dec 2008 |
268 | May Oil & Gas, L.L.C. | | Oil & Gas Operator | Dec 2013 |
269 | McCord Exploration Co. | | Oil & Gas Operator | Dec 1990 |
270 | McCord-Goodrich Oil Company | | Oil & Gas Operator | Oct 1991 |
271 | McCormick Operating Company | | Oil & Gas Operator | Mar 1984 |
272 | McMoran Exploration Company | | Oil & Gas Operator | May 1985 |
273 | McMoran Oil & Gas LLC | New Orleans, LA 70160 | Oil & Gas Operator | Oct 2021 |
274 | McMoran Production Co. | | Oil & Gas Operator | May 1985 |
275 | Medallion Production Company | Tulsa, OK 74103 | Oil & Gas Operator | May 1997 |
276 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
277 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
278 | Middle Bay Oil Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
279 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
280 | Midnight Drilling LLC | | Oil & Gas Operator | Jan 2016 |
281 | Mobil E&P North America Inc. | | Oil & Gas Operator | Dec 1993 |
282 | Mobil Oil E & P Southeast Inc | | Oil & Gas Operator | Sep 2013 |
283 | Moco Operating Company | | Oil & Gas Operator | Mar 2002 |
284 | Moran Exploration, Inc. | | Oil & Gas Operator | Jan 1985 |
285 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
286 | Mullen Exploration Inc | | Oil & Gas Operator | Dec 2002 |
287 | Mullins & Prichard | | Oil & Gas Operator | May 1992 |
288 | Murphy Exp & Prod Co.-USA | | Oil & Gas Operator | May 2014 |
289 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
290 | Mustang Energy L C | | Oil & Gas Operator | Jan 2013 |
291 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
292 | Nerco Oil & Gas, Inc. | | Oil & Gas Operator | Dec 1996 |
293 | Neuhoff Oil & Gas Corp. | | Oil & Gas Operator | Dec 1986 |
294 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
295 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
296 | Nomeco Oil & Gas Co. | Jackson, MI 49204 | Oil & Gas Operator | Dec 1994 |
297 | Norcen Explorer, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 1998 |
298 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
299 | Northern Michigan Expl Co | | Oil & Gas Operator | Jul 1990 |
300 | O'Sullivan Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2000 |