| 9501 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 9502 | Energy Dev Corp | | Oil & Gas Operator | Mar 1998 |
| 9503 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 9504 | Energy Development Of California Inc. | | Oil & Gas Operator | Dec 2004 |
| 9505 | Energy Distributors Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1987 |
| 9506 | Energy Enterprises, LLC | MT Vernon, IL 62864 | Oil Operator | Dec 2023 |
| 9507 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 9508 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Feb 2025 |
| 9509 | Energy Exchange Corporation | Oklahoma City, OK 73112 | Oil Operator | Jan 2025 |
| 9510 | Energy Explorati | | Oil & Gas Operator | Oct 1993 |
| 9511 | Energy Exploration & Development | Cortland, OH 44410 | Oil & Gas Operator | Dec 2022 |
| 9512 | Energy Exploration & Production, Inc. | Wichita, KS 67201 | Oil Operator | Jan 2004 |
| 9513 | Energy Exploration Company | | Oil & Gas Operator | Feb 1991 |
| 9514 | Energy Finders, Inc. | | Oil & Gas Operator | Dec 1981 |
| 9515 | Energy From Texas, L. P. | Dallas, TX 75230 | Oil & Gas Operator | Dec 2013 |
| 9516 | Energy Frontiers Partners, LP | Grapevine, TX 76051 | Oil Operator | May 2008 |
| 9517 | Energy Group Of America, Inc. | Hollister, MO 65672 | Oil Operator | Apr 2025 |
| 9518 | Energy Hunter Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Feb 2019 |
| 9519 | Energy Investments Inc | | Oil & Gas Operator | Feb 2025 |
| 9520 | Energy Lease Service Inc | Drumright, OK 74030-7403 | Oil & Gas Operator | Jan 2025 |
| 9521 | Energy Managemen | | Oil & Gas Operator | Jul 1991 |
| 9522 | Energy Management Company | Kilgore, TX 75663 | Oil Operator | Apr 2020 |
| 9523 | Energy Management Company Of Texas | | Oil & Gas Operator | Dec 2024 |
| 9524 | Energy Management Corp. | | Oil & Gas Operator | Apr 1999 |
| 9525 | Energy Marketing | | Oil & Gas Operator | May 1995 |
| 9526 | Energy Marketing, Inc. | Omaha, NE 68102 | Oil & Gas Operator | Jul 2005 |
| 9527 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 9528 | Energy Oil And Gas Inc | | Oil & Gas Operator | Dec 2010 |
| 9529 | Energy One Oil Operations | | Oil Operator | Mar 2003 |
| 9530 | Energy Onramp LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9531 | Energy Operating Company Inc | Lakewood, CO 80235 | Oil & Gas Operator | Dec 2012 |
| 9532 | Energy Operating Corporation | Plano, TX 75093-4409 | Oil & Gas Operator | Sep 2013 |
| 9533 | Energy Operations Colorado LP | | Oil & Gas Operator | Nov 2009 |
| 9534 | Energy Operations Oklahoma LP | Houston, TX 77002-6785 | Oil & Gas Operator | Nov 2010 |
| 9535 | Energy Operatng Company Inc | | Oil & Gas Operator | Jan 2000 |
| 9536 | Energy Partners, LTD. | New Orleans, LA 70170 | Oil & Gas Operator | Aug 2012 |
| 9537 | Energy Prod Management Corp | | Oil & Gas Operator | Oct 1991 |
| 9538 | Energy Producers Inc | | Oil Operator | Nov 1989 |
| 9539 | Energy Productio | | Oil & Gas Operator | Jan 1986 |
| 9540 | Energy Production & Sales Co. | | Oil & Gas Operator | Dec 1999 |
| 9541 | Energy Production Co | Pittsburgh, PA 15241-3949 | Oil & Gas Operator | Dec 1994 |
| 9542 | Energy Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 9543 | Energy Production Service Inc | | Oil Operator | Mar 1986 |
| 9544 | Energy Production Services LLC | Oklahoma City, OK 73162-4736 | Oil & Gas Operator | Apr 2020 |
| 9545 | Energy Production, Inc. | Canton, OH 44711 | Oil & Gas Operator | Dec 2021 |
| 9546 | Energy Program Accompany | | Oil Operator | Dec 2006 |
| 9547 | Energy Properties Inc. | | Oil & Gas Operator | Dec 2023 |
| 9548 | Energy Prospector'S Inc | | Oil & Gas Operator | Jun 1997 |
| 9549 | Energy Recovery Group, LLC | | Oil & Gas Operator | Jul 2008 |
| 9550 | Energy Research & Dev. Corp. | | Oil & Gas Operator | Feb 1998 |
| 9551 | Energy Reserves | | Oil & Gas Operator | Oct 1993 |
| 9552 | Energy Reserves GP-Kanaba Oil | | Oil & Gas Operator | Aug 1985 |
| 9553 | Energy Reserves Group | Houston, TX 770563020 | Oil & Gas Operator | Apr 1996 |
| 9554 | Energy Reserves Group LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 9555 | Energy Reserves Group, Inc. | Wichita, KS 67202 | Oil & Gas Operator | May 2002 |
| 9556 | Energy Resource & Develop., Corp | Rockwall, TX 75087 | Oil & Gas Operator | Jun 1998 |
| 9557 | Energy Resource Associates Inc | | Gas Operator | Nov 1988 |
| 9558 | Energy Resource Management, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Mar 2008 |
| 9559 | Energy Resource Recovery Corp | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 9560 | Energy Resource Technology Gom, LLC | | Oil & Gas Operator | Oct 2019 |
| 9561 | Energy Resources Corp. | | Oil & Gas Operator | Jan 2025 |
| 9562 | Energy Resources Dev Inc | Bixby, OK 74008-3658 | Oil & Gas Operator | Jan 2025 |
| 9563 | Energy Resources Of Amer Inc | Columbiana, OH 44408 | Oil & Gas Operator | Dec 2021 |
| 9564 | Energy Resources Of America Inc | Austintown, OH 44515 | Oil & Gas Operator | Dec 2022 |
| 9565 | Energy Resources Oil & Gas Corp. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 1994 |
| 9566 | Energy RSRVS GRP-Lavino-Traver | | Oil & Gas Operator | Aug 1985 |
| 9567 | Energy Search Company Inc | Aurora, CO 80011 | Oil & Gas Operator | Jun 2021 |
| 9568 | Energy Search Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 9569 | Energy Search Operating Company | | Oil Operator | Dec 2009 |
| 9570 | Energy Self-Service Oils, Inc. | | Oil & Gas Operator | Apr 2009 |
| 9571 | Energy Service Investment Corp. | Tulsa, OK 74137 | Oil & Gas Operator | May 2006 |
| 9572 | Energy Source, Inc.-Emerald | | Oil & Gas Operator | Apr 1983 |
| 9573 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 9574 | Energy Sources, Inc. | | Oil & Gas Operator | Nov 1990 |
| 9575 | Energy Support Services LLC | Cheyenne, WY 82001 | Oil & Gas Operator | Jan 2025 |
| 9576 | Energy Three, Inc. | Jackson, MS 39211 | Oil & Gas Operator | Jan 2025 |
| 9577 | Energy Transfer Crude Marketing LLC | Houston, TX 77002 | Oil Operator | Jan 2025 |
| 9578 | Energy Transfer Fuel, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 9579 | Energy Unlimited Inc | | Oil & Gas Operator | Feb 2005 |
| 9580 | Energy Well Service, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Oct 2004 |
| 9581 | Energy Xxi Gom, LLC | | Oil & Gas Operator | Dec 2023 |
| 9582 | Energy Xxi Gulf Coast, Inc. | | Oil & Gas Operator | Dec 2008 |
| 9583 | Energy Xxi Onshore, LLC | | Oil & Gas Operator | Dec 2023 |
| 9584 | Energy-Vest, Inc. | Bull Shoals, AR 72619 | Oil Operator | Sep 2009 |
| 9585 | Energypro, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 9586 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jan 2025 |
| 9587 | Energyquest Management, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2021 |
| 9588 | Energyquest Operating, L.L.C. | | Oil & Gas Operator | Jun 2023 |
| 9589 | Enerjex Kansas, Inc. | Leawood, KS 66211 | Oil & Gas Operator | Apr 2010 |
| 9590 | Enernet Inc | Oklahoma City, OK 73102-8004 | Oil & Gas Operator | Nov 2014 |
| 9591 | Enerplus Resources USA Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 9592 | Enerquest Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 9593 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2025 |
| 9594 | Enerquest Operating, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2025 |
| 9595 | Enerquest Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 9596 | Enersearch Inc | Sand Springs, OK 74063 | Oil & Gas Operator | Dec 2013 |
| 9597 | Enersource Petroleum Inc | Bixby, OK 74008 | Oil & Gas Operator | Jan 2025 |
| 9598 | Enersource Royalty Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2013 |
| 9599 | Enerstar Resources LTD Co. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 9600 | Enerstar Resources, L.C. | Midland, TX 79701 | Oil & Gas Operator | Apr 1999 |