| 9201 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | May 2026 |
| 9202 | Energy One Oil Operations | | Oil Operator | Mar 2003 |
| 9203 | Energy Onramp LLC | Midland, TX 79710 | Oil & Gas Operator | May 2026 |
| 9204 | Energy Operating Company Inc | Lakewood, CO 80235 | Oil & Gas Operator | Dec 2012 |
| 9205 | Energy Operating Corporation | Plano, TX 75093-4409 | Oil & Gas Operator | Sep 2013 |
| 9206 | Energy Operations Oklahoma LP | Houston, TX 77002-6785 | Oil & Gas Operator | Nov 2010 |
| 9207 | Energy Partners, LTD. | New Orleans, LA 70170 | Oil & Gas Operator | Aug 2012 |
| 9208 | Energy Prod Management Corp | | Oil & Gas Operator | Oct 1991 |
| 9209 | Energy Producers Inc | | Oil Operator | Nov 1989 |
| 9210 | Energy Productio | | Oil & Gas Operator | Jan 1986 |
| 9211 | Energy Production & Sales Co. | | Oil & Gas Operator | Dec 1999 |
| 9212 | Energy Production Co | Pittsburgh, PA 15241-3949 | Oil & Gas Operator | Dec 1994 |
| 9213 | Energy Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | May 2026 |
| 9214 | Energy Production Service Inc | | Oil Operator | Mar 1986 |
| 9215 | Energy Production Services LLC | Oklahoma City, OK 73162-4736 | Oil & Gas Operator | Apr 2020 |
| 9216 | Energy Production, Inc. | Canton, OH 44711 | Oil & Gas Operator | Dec 2021 |
| 9217 | Energy Program Accompany | | Oil Operator | Dec 2006 |
| 9218 | Energy Properties Inc. | | Oil & Gas Operator | Dec 2023 |
| 9219 | Energy Prospector'S Inc | | Oil & Gas Operator | Jun 1997 |
| 9220 | Energy Recovery Group LLC | | Oil & Gas Operator | Jul 2008 |
| 9221 | Energy Research & Dev. Corp. | | Oil & Gas Operator | Feb 1998 |
| 9222 | Energy Reserves | | Oil & Gas Operator | Oct 1993 |
| 9223 | Energy Reserves GP-Kanaba Oil | | Oil & Gas Operator | Aug 1985 |
| 9224 | Energy Reserves Group | Houston, TX 770563020 | Oil & Gas Operator | Apr 1996 |
| 9225 | Energy Reserves Group LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 9226 | Energy Reserves Group, Inc. | Wichita, KS 67202 | Oil & Gas Operator | May 2002 |
| 9227 | Energy Resource & Develop., Corp | Rockwall, TX 75087 | Oil & Gas Operator | Jun 1998 |
| 9228 | Energy Resource Associates Inc | | Gas Operator | Nov 1988 |
| 9229 | Energy Resource Management, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Mar 2008 |
| 9230 | Energy Resource Technology Gom, LLC | | Oil & Gas Operator | Oct 2019 |
| 9231 | Energy Resources Dev Inc | Bixby, OK 74008-3658 | Oil & Gas Operator | Jan 2026 |
| 9232 | Energy Resources LLC | Owensboro, KY 42301 | Oil Operator | Feb 2026 |
| 9233 | Energy Resources Of Amer Inc | Columbiana, OH 44408 | Oil & Gas Operator | Dec 2021 |
| 9234 | Energy Resources Of America Inc | North Jackson, OH 44451 | Oil & Gas Operator | Dec 2022 |
| 9235 | Energy Resources Oil & Gas Corp. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 1994 |
| 9236 | Energy RSRVS GRP-Lavino-Traver | | Oil & Gas Operator | Aug 1985 |
| 9237 | Energy Search Company Inc | Aurora, CO 80011 | Oil & Gas Operator | Jun 2021 |
| 9238 | Energy Search Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 9239 | Energy Search Operating Company | | Oil Operator | Dec 2009 |
| 9240 | Energy Self-Service Oils, Inc. | | Oil & Gas Operator | Apr 2009 |
| 9241 | Energy Service Investment Corp. | Tulsa, OK 74137 | Oil & Gas Operator | May 2006 |
| 9242 | Energy Source, Inc.-Emerald | | Oil & Gas Operator | Apr 1983 |
| 9243 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 9244 | Energy Sources, Inc. | | Oil & Gas Operator | Nov 1990 |
| 9245 | Energy Support Services LLC | Cheyenne, WY 82001 | Oil & Gas Operator | Jan 2025 |
| 9246 | Energy Three Inc. | Jackson, MS 39211 | Oil & Gas Operator | Dec 2025 |
| 9247 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Jan 2026 |
| 9248 | Energy Transfer Fuel, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 9249 | Energy Unlimited Inc | | Oil & Gas Operator | Feb 2005 |
| 9250 | Energy Well Service, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Oct 2004 |
| 9251 | Energy Xxi Gom, LLC | | Oil & Gas Operator | Dec 2023 |
| 9252 | Energy Xxi Gulf Coast, Inc. | | Oil & Gas Operator | Dec 2008 |
| 9253 | Energy Xxi Onshore, LLC | | Oil & Gas Operator | Dec 2023 |
| 9254 | Energy-Vest, Inc. | Bull Shoals, AR 72619 | Oil Operator | Sep 2009 |
| 9255 | Energypro, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | May 2026 |
| 9256 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 9257 | Energyquest Management, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2021 |
| 9258 | Energyquest Operating, L.L.C. | | Oil & Gas Operator | Jun 2023 |
| 9259 | Enerjex Kansas, Inc. | Leawood, KS 66211 | Oil & Gas Operator | Apr 2010 |
| 9260 | Enernet Inc | Oklahoma City, OK 73102-8004 | Oil & Gas Operator | Nov 2014 |
| 9261 | Enerplus Resources USA Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 9262 | Enerquest Corporation | Kilgore, TX 75663 | Oil & Gas Operator | May 2026 |
| 9263 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2026 |
| 9264 | Enerquest Operating, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | May 2026 |
| 9265 | Enerquest Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 9266 | Enersearch Inc | Sand Springs, OK 74063 | Oil & Gas Operator | Dec 2013 |
| 9267 | Enersource Petroleum Inc | Bixby, OK 74008 | Oil & Gas Operator | Jan 2026 |
| 9268 | Enersource Royalty Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2013 |
| 9269 | Enerstar Resources LTD Co. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 9270 | Enerstar Resources, L.C. | Midland, TX 79701 | Oil & Gas Operator | Apr 1999 |
| 9271 | Enertec Corporation | Nowata, OK 74048-0632 | Oil & Gas Operator | Sep 2018 |
| 9272 | Enertex, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 |
| 9273 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 9274 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 9275 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 9276 | Enervest Production Partners, LTD. | | Gas Operator | Nov 2024 |
| 9277 | Enervest San Juan Operating LLC | Durango, CO 81301 | Gas Operator | Jul 2001 |
| 9278 | Enex Resources C | | Gas Operator | Nov 1987 |
| 9279 | Enex Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 9280 | Enex Rexources Corp. | | Oil & Gas Operator | Jul 1981 |
| 9281 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 9282 | Eng, George E. | Midland, TX 79701 | Oil & Gas Operator | Dec 2011 |
| 9283 | Engas Corporation | Jacksboro, TX 76458 | Oil & Gas Operator | May 2008 |
| 9284 | Engas XP, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Feb 2026 |
| 9285 | Engel Farms Corporation | Liberal, KS 67901 | Gas Operator | Mar 2003 |
| 9286 | Engel Investments LLC | Hays, KS 67601 | Oil Operator | Aug 2025 |
| 9287 | Engelke, R. H. | San Antonio, TX 78230 | Oil & Gas Operator | May 2026 |
| 9288 | Engelke, Randall Glen | Luling, TX 78648 | Oil & Gas Operator | Jul 2007 |
| 9289 | Engeo Co. | | Oil & Gas Operator | Nov 1986 |
| 9290 | Engineering & Production Service, Inc. | Farmington, NM 87499 | Oil & Gas Operator | Mar 2026 |
| 9291 | Engineers Oil Company | | Oil & Gas Operator | Mar 2026 |
| 9292 | England Operating LLC | Littleton, CO 80120-4529 | Oil & Gas Operator | Nov 2014 |
| 9293 | Engler, Inc. | Harlingen, TX 78552-0000 | Gas Operator | Dec 2020 |
| 9294 | English Oil & Gas | | Oil Operator | Sep 2021 |
| 9295 | English Oil And Gas, L.L.C. | | Oil Operator | Sep 2021 |
| 9296 | Engroup Resources, L.P. | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 9297 | Enhanced Energy Partners Corp | Tomball, TX 77377 | Oil & Gas Operator | May 2026 |
| 9298 | Enhanced Hydrocarbons Inc | Claremore, OK 74017 | Oil & Gas Operator | May 2013 |
| 9299 | Enhanced RS, Inc. | Luling, TX 78648 | Oil Operator | May 2026 |
| 9300 | Eni Us Operating Co. Inc. | | Oil & Gas Operator | Sep 2024 |