| 9401 | Eott Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 1995 |
| 9402 | Eott Energy Operating LP | Houston, TX 77210-4666 | Oil & Gas Operator | Oct 2009 |
| 9403 | EP Energy E&P Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 9404 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | Jan 2023 |
| 9405 | EP Operating Co, A LTD Ptrship | | Oil & Gas Operator | Oct 1992 |
| 9406 | EP Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Jan 1993 |
| 9407 | EP Operating Company LP | Midland, TX 79705-5510 | Oil & Gas Operator | Mar 1993 |
| 9408 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 9409 | EP Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 9410 | EP&W | | Oil Operator | Dec 1997 |
| 9411 | Epic Energy, L.L.C. | Aztec, NM 87410 | Oil & Gas Operator | May 2026 |
| 9412 | Epic Permian Operating, LLC | Arvada, CO 80006 | Oil & Gas Operator | Jan 2025 |
| 9413 | Epl Oil & Gas, Inc | | Oil & Gas Operator | Aug 2015 |
| 9414 | Epley Bobbie Inc | Wilson, OK 73463-6319 | Oil Operator | Jun 2007 |
| 9415 | Epoc, LLC | Andover, KS 67002 | Oil Operator | Apr 2026 |
| 9416 | Epoch Petroleum Corporation | | Oil & Gas Operator | Dec 1992 |
| 9417 | Epoch Resources Of Texas Inc | Port Aransas, TX 78373-1637 | Oil & Gas Operator | Nov 2014 |
| 9418 | Epperson Dwight | Okemah, OK 74859 | Oil Operator | Jan 2013 |
| 9419 | Epperson John R | Bartlesville, OK 74003 | Oil Operator | Aug 1999 |
| 9420 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 9421 | Epstein Jr Oper Co | | Oil & Gas Operator | Mar 1991 |
| 9422 | Epstein, Edwin A Jr Oper Co Inc | Las Vegas, NV 89128 | Gas Operator | Dec 2001 |
| 9423 | Eqt Aro LLC | Canonsburg, PA 15317-1000 | Gas Operator | May 2026 |
| 9424 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | May 2026 |
| 9425 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | May 2026 |
| 9426 | Eqt Production Texas, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Jun 2018 |
| 9427 | Equal Energy Us Inc | Tulsa, OK 74103-4621 | Oil & Gas Operator | Nov 2019 |
| 9428 | Equinor Energy LP | | Oil & Gas Operator | Oct 2021 |
| 9429 | Equinor USA Onshore Properties Inc. | Houston, TX 77042 | Oil & Gas Operator | Mar 2024 |
| 9430 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 9431 | Equinox Oil Company Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2019 |
| 9432 | Equipment Lott Inc The | Hennessey, OK 73742-0655 | Oil & Gas Operator | Mar 2008 |
| 9433 | Equipment, Inc. | | Oil & Gas Operator | Mar 1983 |
| 9434 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 9435 | Equitable Petroleum Corp. | | Oil & Gas Operator | Jan 1999 |
| 9436 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 9437 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 9438 | Equitable Resources Energy | Houston, TX 77056-2742 | Oil & Gas Operator | Sep 1997 |
| 9439 | Equitable Resources Energy Co, Western Region | Billings, MT 59102 | Oil & Gas Operator | May 1997 |
| 9440 | Equitable Resources Energy Company | Big Stone Gap, VA 24219 | Oil & Gas Operator | Dec 1997 |
| 9441 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 9442 | Equitrans, L. P. | Canonsburg, PA 15317 | Oil & Gas Operator | Jul 2021 |
| 9443 | Equity Drilling Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Nov 1998 |
| 9444 | Equity Oil & Gas Funds Inc | Orlando, FL 32837-6103 | Oil & Gas Operator | Dec 2025 |
| 9445 | Equity Oil Company | Salt Lake City, UT 84110-095 | Oil & Gas Operator | Aug 2004 |
| 9446 | Eqv Operating LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Aug 2026 |
| 9447 | Eram, Inc. | | Oil & Gas Operator | Dec 2024 |
| 9448 | Eratz Investments Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2026 |
| 9449 | Erbe, Dwayne E. (Estate) | Neodesha, KS 66757 | Oil Operator | Mar 2026 |
| 9450 | Erbert Don Oil C | | Oil Operator | May 1993 |
| 9451 | Erbert, Harold | Iola, KS 66749 | Oil Operator | Dec 1992 |
| 9452 | Erebor Resources, LLC | Tyler, TX 75702 | Oil & Gas Operator | Dec 2025 |
| 9453 | Ereunao Oil & Gas, Inc. | | Oil & Gas Operator | Mar 2003 |
| 9454 | Erg Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2006 |
| 9455 | Erg Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2015 |
| 9456 | Ergon Energy Partners, L.P. | Jackson, MS 39215 | Oil & Gas Operator | Apr 2024 |
| 9457 | Ergon Exploration, Inc. | | Oil & Gas Operator | Jun 2023 |
| 9458 | Ergon, Inc. | | Oil & Gas Operator | Dec 2005 |
| 9459 | Eric Petroleum Corp | Austintown, OH 44515-1053 | Oil & Gas Operator | Dec 2025 |
| 9460 | Ericksen, W.R. | Hobbs, NM 88240 | Oil & Gas Operator | Nov 1993 |
| 9461 | Erie City Erie Cnty | | Gas Operator | Dec 1999 |
| 9462 | Erie Hard Chrome Inc | Erie, PA 16511-1750 | Gas Operator | Dec 2014 |
| 9463 | Erie Oil & Gas Co | Columbus, OH 43229 | Oil & Gas Operator | Dec 1989 |
| 9464 | Erin Exploration Associates | | Oil & Gas Operator | Mar 1987 |
| 9465 | Erin Oil Co. | Midland, TX 79707 | Oil & Gas Operator | Aug 2026 |
| 9466 | Erin Oil Exploration, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 1996 |
| 9467 | Ermis Vacuum Service | El Campo, TX 77437 | Oil & Gas Operator | Mar 2010 |
| 9468 | Ermis Vacuum Service, LLC | El Campo, TX 77437 | Oil & Gas Operator | Aug 2026 |
| 9469 | Ernest Operating Company | Rockdale, TX 76567 | Oil & Gas Operator | Aug 2026 |
| 9470 | Ernest Starkey, Jr. | | Oil & Gas Operator | Feb 1985 |
| 9471 | Ernie L Hegwer Ind | Hobbs, NM 88240 | Oil & Gas Operator | Sep 2002 |
| 9472 | Ernmar Investments, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Aug 2026 |
| 9473 | Ernst & Steinle | | Oil Operator | Oct 1991 |
| 9474 | Ernst Petroleum Company Inc | Arlington, VA 22201 | Oil & Gas Operator | Aug 2013 |
| 9475 | Eroc Gathering Company, LP | | Oil Operator | Jul 2014 |
| 9476 | Eros Operating LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Aug 2026 |
| 9477 | Erp Environmental Fund, Inc. | | Gas Operator | Dec 2018 |
| 9478 | Ers Operating Company LLC | Bothell, WA 98012 | Oil & Gas Operator | Jun 2016 |
| 9479 | Ers Resources, LLC | Irving, TX 75038 | Oil Operator | Sep 2010 |
| 9480 | Erskine Energy, LLC | Hot Springs V, AR 71909 | Oil & Gas Operator | Aug 2026 |
| 9481 | Erskine Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2007 |
| 9482 | Erso, Inc. | Houston, TX 77002 | Gas Operator | Mar 1995 |
| 9483 | Erson Royalty Company, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Feb 2006 |
| 9484 | Erwin Oil & Gas LTD Co | Hobbs, NM 882411506 | Oil & Gas Operator | Apr 2003 |
| 9485 | Erwin Oil Company | Jacksboro, TX 76458 | Oil Operator | Aug 2026 |
| 9486 | Erwin Operating | Graham, TX 76450 | Oil & Gas Operator | Aug 2026 |
| 9487 | Erwin W. Saye | | Oil & Gas Operator | Apr 1979 |
| 9488 | Erwin, James D. | Dallas, TX 75225 | Oil & Gas Operator | Nov 1993 |
| 9489 | Erwin, Sanford P | | Oil & Gas Operator | Apr 2019 |
| 9490 | Escalera Resources Co | Casper, WY 82602 | Oil & Gas Operator | May 2018 |
| 9491 | Escambia Operating Co., LLC | Gulfport, MS 39501 | Oil & Gas Operator | Feb 2026 |
| 9492 | Escher Corporation | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 2026 |
| 9493 | Esco Exploration, Inc | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 9494 | Esco Oil & Gas, Inc. | | Oil & Gas Operator | Nov 2009 |
| 9495 | Esco Oil Operating Company LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2026 |
| 9496 | Escoba Royalty Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2005 |
| 9497 | Escondido Bay Corporation | Dallas, TX 75202 | Oil & Gas Operator | Aug 2026 |
| 9498 | Escondido Operating, Inc. | Carrollton, TX 75011 | Oil & Gas Operator | Jun 2013 |
| 9499 | Escondido Petroleum Company, Inc | Houston, TX 77063 | Oil & Gas Operator | Aug 2026 |
| 9500 | Escondido Resources GP, LLC | Midland, TX 79708 | Oil & Gas Operator | Dec 2007 |