201 | Ellbogen John P LTD | Casper, WY 82602 | Oil & Gas Operator | Mar 2024 |
202 | Emc Energy | | Oil & Gas Operator | Jun 1985 |
203 | Emerald Operating Company | Plano, TX 75075 | Oil & Gas Operator | Mar 2024 |
204 | Emerald Restoration & Prod | Gillette, WY 82718 | Oil & Gas Operator | Jul 2000 |
205 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Jan 2021 |
206 | Energen Resources Maq Inc | Birmingham, AL 35203 | Oil & Gas Operator | Sep 2000 |
207 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
208 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Mar 2024 |
209 | Energy Operating Company Inc | Lakewood, CO 80235 | Oil & Gas Operator | Dec 2012 |
210 | Enpro LLC | Cottonwood, UT 84047 | Oil & Gas Operator | Nov 2017 |
211 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
212 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
213 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
214 | Equitable Resources Energy Company | Big Stone Gap, VA 24219 | Oil & Gas Operator | Dec 1997 |
215 | Equity Oil Company | Salt Lake City, UT 84110-095 | Oil & Gas Operator | Aug 2004 |
216 | Escalera Resources Co | Casper, WY 82602 | Oil & Gas Operator | May 2018 |
217 | Evergreen Operating Company | Denver, CO 80202 | Oil & Gas Operator | Apr 1996 |
218 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Feb 2024 |
219 | Exeter Drilling Company | Denver, CO 80217 | Oil & Gas Operator | Sep 1997 |
220 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
221 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
222 | Family Tree Corporation | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2013 |
223 | Fancher Oil LLC | Greenwood, CO 80111 | Oil & Gas Operator | Nov 2006 |
224 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Mar 2024 |
225 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | May 2024 |
226 | Federated Oil & Gas Properties | Traverse City, MI 49685 | Gas Operator | Mar 2014 |
227 | Felmont Oil Corporation | Walnut Creek, CA 94596-3568 | Oil & Gas Operator | Feb 1990 |
228 | Ferguson Oil Company Inc | | Oil & Gas Operator | Apr 1994 |
229 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
230 | First Energy Corporation | | Oil & Gas Operator | Jun 1993 |
231 | First Sourcenergy Wyoming Inc | Gillette, WY 82718 | Gas Operator | Jul 2003 |
232 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
233 | Flahive Oil & Gas LLC | Golden, CO 80401 | Oil Operator | Oct 1995 |
234 | Florida Gas Exploration Co | | Oil & Gas Operator | Feb 1985 |
235 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
236 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
237 | Foree R L | Dallas, TX 75225 | Oil & Gas Operator | Aug 2001 |
238 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
239 | Forestar Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2017 |
240 | Frank Louis L | Kingsville, TX 78364 | Oil & Gas Operator | Aug 2003 |
241 | Frickey Investment MGT Co LLC | Lakewood, CO 80215 | Oil & Gas Operator | Mar 2024 |
242 | Fuel Resources Development Co | Denver, CO 80202 | Oil & Gas Operator | Feb 1994 |
243 | G & H Production Company LLC | Denver, CO 80202 | Oil Operator | Jan 2008 |
244 | Galaxy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
245 | Gallagher Drilling Inc | Evansville, IN 47730 | Oil Operator | Dec 2020 |
246 | Gary-Williams Production Company | Denver, CO 80202 | Oil & Gas Operator | May 2000 |
247 | General American Oil Co Of Texas | | Oil & Gas Operator | Mar 1983 |
248 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
249 | Genesis Production Company | | Oil & Gas Operator | May 1991 |
250 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
251 | Germany Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2011 |
252 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
253 | Gibbs William | | Oil Operator | Feb 2000 |
254 | Gilmore Oil & Gas | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
255 | GKM Inc | | Oil & Gas Operator | Mar 1990 |
256 | GLG Energy LP | Austin, TX 78701 | Oil & Gas Operator | Jun 1994 |
257 | Goodstein Fred | Casper, WY 82602 | Oil & Gas Operator | Mar 1984 |
258 | Gorman Construction LLC | Gillette, WY 82716 | Oil Operator | Mar 2024 |
259 | Gould Joseph B | Las Vegas, NV 89101 | Oil & Gas Operator | Apr 2001 |
260 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
261 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
262 | Granite Creek Energy LLC | | Oil & Gas Operator | Mar 2024 |
263 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
264 | Grayson Mill Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2024 |
265 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
266 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
267 | Greenwood Resources | | Oil & Gas Operator | Jan 1992 |
268 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
269 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2024 |
270 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
271 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
272 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
273 | H & H Star Energy Inc | Traverse City, MI 49684 | Oil & Gas Operator | Aug 2016 |
274 | H & M Oil Producers | Littleton, CO 80160 | Oil & Gas Operator | Apr 2000 |
275 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
276 | H C M Energy LLC | Billings, MT 59102 | Oil Operator | Jul 2003 |
277 | Hamon Jake L | Dallas, TX 75201-3902 | Oil & Gas Operator | Nov 1997 |
278 | Harper Oil Co. | Denver, CO 80217 | Oil & Gas Operator | Jan 2024 |
279 | Harrell Oil Company LLC | Ardmore, OK 73402 | Oil Operator | Mar 2023 |
280 | Harvey E Yates Company | Roswell, NM 88202 | Oil & Gas Operator | Feb 2015 |
281 | Havoco Inc | Newcastle, WY 82701 | Oil & Gas Operator | Aug 2005 |
282 | Hawks Industries Inc | Casper, WY 82601 | Oil & Gas Operator | Jun 1993 |
283 | Headington Oil Company, L.P. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2008 |
284 | Heartland Energy Company | Big Horn, WY 82833 | Gas Operator | Jun 2012 |
285 | Helis Oil & Gas Company LLC Estate | New Orleans, LA 70130 | Oil & Gas Operator | Jul 2022 |
286 | Henderson Petroleum Corp | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2013 |
287 | Hi-Pro Production | Gillette, WY 82717 | Gas Operator | Nov 2003 |
288 | High Plains Gas LLC | Gillette, WY 82717 | Gas Operator | Aug 2014 |
289 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | May 2024 |
290 | HNG Oil Company | | Oil & Gas Operator | Jun 1987 |
291 | Hodge T F | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
292 | Holly Energy Inc | | Oil Operator | Apr 1983 |
293 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | May 2024 |
294 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
295 | Houston Oil And Minerals | | Oil & Gas Operator | Oct 1993 |
296 | Howell Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 2015 |
297 | HRM Resources II, LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
298 | HRM Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2015 |
299 | Hrubetz Oil Co. | Dallas, TX 75225 | Oil Operator | Sep 1986 |
300 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | May 2024 |