| 9401 | Ensminger D & J | | Oil Operator | Dec 1994 |
| 9402 | Ensminger Energy LLC | Moran, KS 66755 | Oil Operator | Jul 2024 |
| 9403 | Ensminger Oil, LLC | Moran, KS 66755 | Oil Operator | Jul 2024 |
| 9404 | Ensminger, Donald & Jack, A General Partnership | Moran, KS 66755 | Oil Operator | Jun 2005 |
| 9405 | Ensource Inc | Midland, TX 79705 | Oil & Gas Operator | Aug 1998 |
| 9406 | Enstar Corporation | Houston, TX 77252 | Oil & Gas Operator | Apr 1988 |
| 9407 | Enstar Energy, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Nov 2024 |
| 9408 | Enstar Petroleum Company | | Oil & Gas Operator | Jul 1985 |
| 9409 | Enstar Petroleum Inc | | Oil & Gas Operator | Apr 1985 |
| 9410 | Ensz, Jerry | Sublette, KS 67877 | Gas Operator | Jul 2024 |
| 9411 | Entek GRB LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 9412 | Enterprise Crude Oil LLC | Oklahoma City, OK 73102 | Oil Operator | Aug 2011 |
| 9413 | Enterprise Energy Corp | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1985 |
| 9414 | Enterprise Energy Exploration Inc | Tulsa, OK 74133-6724 | Oil & Gas Operator | Sep 2024 |
| 9415 | Enterprise Energy Prod Co Inc | Tulsa, OK 74133-6754 | Oil & Gas Operator | Mar 2015 |
| 9416 | Enterprise Exploration Inc | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2020 |
| 9417 | Enterprise Gathering LLC | | Oil Operator | Jul 2024 |
| 9418 | Enterprise Inc | Hays, KS 67601 | Oil Operator | Sep 2015 |
| 9419 | Enterprise Marke | | Oil & Gas Operator | Oct 1992 |
| 9420 | Enterprise Oil Marketing Corp. | Little Rock, AR 72206 | Oil Operator | Sep 1998 |
| 9421 | Enterprise Resources Inc. | | Oil & Gas Operator | Jun 1979 |
| 9422 | Enterprising Enterprises Inc | Tulsa, OK 74137 | Oil Operator | Jun 2009 |
| 9423 | Enterra Resources, LLC | Edmond, OK 73083 | Oil & Gas Operator | Jul 2024 |
| 9424 | Entex Oil Company | | Gas Operator | Dec 1993 |
| 9425 | Entex Petroleum, Inc. | Oklahoma City, OK 73113 | Oil & Gas Operator | Nov 1997 |
| 9426 | Entex, Inc. | | Oil & Gas Operator | Dec 1984 |
| 9427 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Jun 2020 |
| 9428 | Enveron Corporation | Portage, MI 49024 | Oil & Gas Operator | Dec 2017 |
| 9429 | Envirogas Inc | Hamburg, NY 14075 | Oil & Gas Operator | Dec 1992 |
| 9430 | Environmental BR Ser Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1987 |
| 9431 | Environmental Exp Co | North Canton, OH 44720 | Oil & Gas Operator | Dec 1998 |
| 9432 | Environmental Oil Co | Thornville, OH 43076 | Oil & Gas Operator | Dec 2023 |
| 9433 | Environmental Soil Recovery LTD | | Oil Operator | Aug 2024 |
| 9434 | Envirosearch Corporation | | Oil Operator | Dec 1992 |
| 9435 | Envirotek Fuel Systems Inc | Dallas, TX 75243 | Oil & Gas Operator | May 2013 |
| 9436 | Enwest Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Aug 1994 |
| 9437 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
| 9438 | EOG A Resources, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Dec 2018 |
| 9439 | EOG M Resources, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Dec 2018 |
| 9440 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 9441 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
| 9442 | Eok Operating LLC | Oklahoma City, OK 73103 | Oil & Gas Operator | Sep 2024 |
| 9443 | Eola Mud Disposal Company | Maysville, OK 73057-9402 | Oil Operator | Sep 1997 |
| 9444 | Eola Reclaimers Inc | Maysville, OK 73057 | Oil & Gas Operator | Nov 2005 |
| 9445 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Nov 2024 |
| 9446 | Eor, LLC | | Oil & Gas Operator | Nov 2013 |
| 9447 | Eos Energy LLC | Columbus, OH 43026 | Oil & Gas Operator | Dec 2023 |
| 9448 | Eott Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 1995 |
| 9449 | Eott Energy Operating LP | Houston, TX 77210-4666 | Oil & Gas Operator | Oct 2009 |
| 9450 | EP Energy E&P Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Nov 2024 |
| 9451 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
| 9452 | EP Energy Management LLC | | Oil & Gas Operator | Jun 2006 |
| 9453 | EP Operating Co, A LTD Ptrship | | Oil & Gas Operator | Oct 1992 |
| 9454 | EP Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Jan 1993 |
| 9455 | EP Operating Company LP | Midland, TX 79705-5510 | Oil & Gas Operator | Mar 1993 |
| 9456 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 9457 | EP Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 9458 | EP&W | | Oil Operator | Dec 1997 |
| 9459 | Epic Energy LLC | Aztec, NM 87410 | Oil & Gas Operator | Sep 2024 |
| 9460 | Epic Permian Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Nov 2024 |
| 9461 | Epl Oil & Gas, Inc | | Oil & Gas Operator | Aug 2015 |
| 9462 | Epley Bobbie Inc | Wilson, OK 73463-6319 | Oil Operator | Jun 2007 |
| 9463 | Epoc, LLC | Andover, KS 67002 | Oil Operator | Jul 2024 |
| 9464 | Epoch Petroleum Corporation | | Oil & Gas Operator | Dec 1992 |
| 9465 | Epoch Resources Of Texas Inc | Port Aransas, TX 78373-1637 | Oil & Gas Operator | Nov 2014 |
| 9466 | Epperson Dwight | Okemah, OK 74859 | Oil Operator | Jan 2013 |
| 9467 | Epperson John R | Bartlesville, OK 74003 | Oil Operator | Aug 1999 |
| 9468 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 9469 | Epstein Jr Oper Co | | Oil & Gas Operator | Mar 1991 |
| 9470 | Epstein, Edwin A Jr Oper Co Inc | Las Vegas, NV 89128 | Gas Operator | Dec 2001 |
| 9471 | Eqt Aro LLC | Canonsburg, PA 15317-5851 | Gas Operator | Sep 2024 |
| 9472 | Eqt Chap, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Sep 2024 |
| 9473 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Sep 2024 |
| 9474 | Eqt Production Texas, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Jun 2018 |
| 9475 | Equal Energy Us Inc | Tulsa, OK 74103-4621 | Oil & Gas Operator | Nov 2019 |
| 9476 | Equinor Energy LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2021 |
| 9477 | Equinor USA Onshore Properties Inc. | Houston, TX 77042 | Oil & Gas Operator | Mar 2024 |
| 9478 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 9479 | Equinox Oil Company | Plainville, KS 67663 | Oil & Gas Operator | Jul 2024 |
| 9480 | Equipment Lott Inc The | Hennessey, OK 73742-0655 | Oil & Gas Operator | Mar 2008 |
| 9481 | Equipment, Inc. | | Oil & Gas Operator | Mar 1983 |
| 9482 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 9483 | Equitable Petroleum Corp. | | Oil & Gas Operator | Jan 1999 |
| 9484 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 9485 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 9486 | Equitable Resources Energy | Houston, TX 77056-2742 | Oil & Gas Operator | Sep 1997 |
| 9487 | Equitable Resources Energy Co, Western Region | Billings, MT 59102 | Oil & Gas Operator | May 1997 |
| 9488 | Equitable Resources Energy Company | Big Stone Gap, VA 24219 | Oil & Gas Operator | Dec 1997 |
| 9489 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 9490 | Equitrans, L. P. | Cannonsburg, PA 15317 | Oil & Gas Operator | Jul 2021 |
| 9491 | Equity Drilling Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Nov 1998 |
| 9492 | Equity Oil & Gas Funds Inc | Orlando, FL 32837-6103-6103 | Oil & Gas Operator | Dec 2023 |
| 9493 | Equity Oil Company | Salt Lake City, UT 84110-095 | Oil & Gas Operator | Aug 2004 |
| 9494 | Eqv Operating LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Nov 2024 |
| 9495 | Eram, Inc. | | Oil & Gas Operator | Jul 2024 |
| 9496 | Eratz Investments Inc. | Dallas, TX 75240 | Oil & Gas Operator | Nov 2024 |
| 9497 | Erbe, Dwayne E. (Estate) | Neodesha, KS 66757 | Oil Operator | May 2024 |
| 9498 | Erbert Don Oil C | | Oil Operator | May 1993 |
| 9499 | Erbert, Harold | Iola, KS 66749 | Oil Operator | Dec 1992 |
| 9500 | Erebor Resources, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2019 |