| 9301 | Enre LP | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2004 |
| 9302 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 9303 | Enron Corporatio | | Oil & Gas Operator | Aug 1999 |
| 9304 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 9305 | Enserch Exploration | | Oil & Gas Operator | Oct 1996 |
| 9306 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 9307 | Enserch Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 1998 |
| 9308 | Ensight Energy Group Inc | Richardson, TX 75080-2370 | Oil & Gas Operator | Jun 2026 |
| 9309 | Ensight Energy Management, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2005 |
| 9310 | Ensight III Energy MGMT, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2008 |
| 9311 | Ensight IV Energy Management,LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 9312 | Ensight Resources, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2001 |
| 9313 | Ensign Oil & Gas Inc. | | Oil & Gas Operator | Jul 1993 |
| 9314 | Ensign Operating | | Oil & Gas Operator | Oct 1994 |
| 9315 | Ensign Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Jan 2004 |
| 9316 | Ensign Operating LLC | Houston, TX 77086 | Oil & Gas Operator | Feb 2023 |
| 9317 | Ensminger D & J | | Oil Operator | Dec 1994 |
| 9318 | Ensminger Energy LLC | Moran, KS 66755 | Oil Operator | May 2026 |
| 9319 | Ensminger Oil, LLC | Moran, KS 66755 | Oil Operator | May 2026 |
| 9320 | Ensminger, Donald & Jack, A General Partnership | Moran, KS 66755 | Oil Operator | Jun 2005 |
| 9321 | Ensource Inc | Midland, TX 79705 | Oil & Gas Operator | Aug 1998 |
| 9322 | Enstar Corporation | Houston, TX 77252 | Oil & Gas Operator | Apr 1988 |
| 9323 | Enstar Energy, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Sep 2026 |
| 9324 | Enstar Petroleum Company | | Oil & Gas Operator | Aug 1985 |
| 9325 | Enstar Petroleum Inc | | Oil & Gas Operator | Apr 1985 |
| 9326 | Ensz, Jerry | Sublette, KS 67877 | Gas Operator | May 2026 |
| 9327 | Entek GRB LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 9328 | Enterprise Energy Corp | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1985 |
| 9329 | Enterprise Energy Exploration Inc | Tulsa, OK 74133-6724 | Oil & Gas Operator | Jul 2026 |
| 9330 | Enterprise Energy Prod Co Inc | Tulsa, OK 74133-6754 | Oil & Gas Operator | Mar 2015 |
| 9331 | Enterprise Exploration Inc | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2020 |
| 9332 | Enterprise Gathering LLC | | Oil Operator | Dec 2024 |
| 9333 | Enterprise Inc | Hays, KS 67601 | Oil Operator | Sep 2015 |
| 9334 | Enterprise Marke | | Oil & Gas Operator | Oct 1992 |
| 9335 | Enterprise Oil Marketing Corp. | Little Rock, AR 72206 | Oil Operator | Sep 1998 |
| 9336 | Enterprise Resources Inc. | | Oil & Gas Operator | Jun 1979 |
| 9337 | Enterprising Enterprises Inc | Tulsa, OK 74137 | Oil Operator | Jun 2009 |
| 9338 | Enterra Resources, LLC | Edmond, OK 73083 | Oil & Gas Operator | May 2026 |
| 9339 | Entex Oil Company | | Gas Operator | Dec 1993 |
| 9340 | Entex Petroleum Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Nov 1997 |
| 9341 | Entex, Inc. | | Oil & Gas Operator | Dec 1984 |
| 9342 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Oct 2024 |
| 9343 | Enveron Corporation | Portage, MI 49024 | Oil & Gas Operator | Dec 2017 |
| 9344 | Envirogas Inc | Hamburg, NY 14075 | Oil & Gas Operator | Dec 1992 |
| 9345 | Environmental BR Ser Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1987 |
| 9346 | Environmental Exp Co | North Canton, OH 44720 | Oil & Gas Operator | Dec 1998 |
| 9347 | Environmental Oil Co | Thornville, OH 43076 | Oil & Gas Operator | Dec 2024 |
| 9348 | Environmental Soil Recovery LTD | | Oil Operator | Jun 2026 |
| 9349 | Envirosearch Corporation | | Oil Operator | Dec 1992 |
| 9350 | Envirotek Fuel Systems Inc | Dallas, TX 75243 | Oil & Gas Operator | May 2013 |
| 9351 | Enwest Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Aug 1994 |
| 9352 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
| 9353 | EOG A Resources, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Dec 2018 |
| 9354 | EOG M Resources, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Dec 2018 |
| 9355 | EOG Ohio, LLC | New Albany, OH 43054-2646 | Oil & Gas Operator | Jun 2026 |
| 9356 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 9357 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
| 9358 | Eok Operating LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Jul 2026 |
| 9359 | Eor LLC | | Oil & Gas Operator | Nov 2013 |
| 9360 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Sep 2026 |
| 9361 | Eos Energy LLC | Columbus, OH 43026 | Oil & Gas Operator | Dec 2025 |
| 9362 | Eott Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 1995 |
| 9363 | Eott Energy Operating LP | Houston, TX 77210-4666 | Oil & Gas Operator | Oct 2009 |
| 9364 | EP Energy E&P Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 9365 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | Jan 2023 |
| 9366 | EP Operating Co, A LTD Ptrship | | Oil & Gas Operator | Oct 1992 |
| 9367 | EP Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Jan 1993 |
| 9368 | EP Operating Company LP | Midland, TX 79705-5510 | Oil & Gas Operator | Mar 1993 |
| 9369 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 9370 | EP Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 9371 | EP&W | | Oil Operator | Dec 1997 |
| 9372 | Epic Energy, L.L.C. | Aztec, NM 87410 | Oil & Gas Operator | Jun 2026 |
| 9373 | Epic Permian Operating, LLC | Arvada, CO 80006 | Oil & Gas Operator | Jan 2025 |
| 9374 | Epl Oil & Gas, Inc | | Oil & Gas Operator | Aug 2015 |
| 9375 | Epley Bobbie Inc | Wilson, OK 73463-6319 | Oil Operator | Jun 2007 |
| 9376 | Epoc, LLC | Andover, KS 67002 | Oil Operator | May 2026 |
| 9377 | Epoch Petroleum Corporation | | Oil & Gas Operator | Dec 1992 |
| 9378 | Epoch Resources Of Texas Inc | Port Aransas, TX 78373-1637 | Oil & Gas Operator | Nov 2014 |
| 9379 | Epperson Dwight | Okemah, OK 74859 | Oil Operator | Jan 2013 |
| 9380 | Epperson John R | Bartlesville, OK 74003 | Oil Operator | Aug 1999 |
| 9381 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 9382 | Epstein Jr Oper Co | | Oil & Gas Operator | Mar 1991 |
| 9383 | Epstein, Edwin A Jr Oper Co Inc | Las Vegas, NV 89128 | Gas Operator | Dec 2001 |
| 9384 | Eqt Aro LLC | Canonsburg, PA 15317-1000 | Gas Operator | Jun 2026 |
| 9385 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | Jun 2026 |
| 9386 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jun 2026 |
| 9387 | Eqt Production Texas, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Jun 2018 |
| 9388 | Equal Energy Us Inc | Tulsa, OK 74103-4621 | Oil & Gas Operator | Nov 2019 |
| 9389 | Equinor Energy LP | | Oil & Gas Operator | Oct 2021 |
| 9390 | Equinor USA Onshore Properties Inc. | Houston, TX 77042 | Oil & Gas Operator | Mar 2024 |
| 9391 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 9392 | Equinox Oil Company Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2019 |
| 9393 | Equipment Lott Inc The | Hennessey, OK 73742-0655 | Oil & Gas Operator | Mar 2008 |
| 9394 | Equipment, Inc. | | Oil & Gas Operator | Mar 1983 |
| 9395 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 9396 | Equitable Petroleum Corp. | | Oil & Gas Operator | Jan 1999 |
| 9397 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 9398 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 9399 | Equitable Resources Energy | Houston, TX 77056-2742 | Oil & Gas Operator | Sep 1997 |
| 9400 | Equitable Resources Energy Co, Western Region | Billings, MT 59102 | Oil & Gas Operator | May 1997 |