| 3601 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
| 3602 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 3603 | Endeavor Production Company | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 3604 | Enderli Oil Company, Inc | Highlands, TX 77562 | Oil & Gas Operator | Aug 2003 |
| 3605 | Endurance Oil & Gas, Inc. | Minden, LA 71055 | Oil & Gas Operator | Feb 2026 |
| 3606 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 3607 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Dec 2025 |
| 3608 | Enduro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2018 |
| 3609 | Enercap Corporation | Kingwood, TX 77325 | Oil & Gas Operator | Aug 2003 |
| 3610 | Enercorp Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 1993 |
| 3611 | Enerdril Corporation | Moran, TX 76464 | Gas Operator | Dec 2015 |
| 3612 | Enerex Supply, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Nov 1993 |
| 3613 | Enerfin Field Services LLC | Houston, TX 77077 | Oil Operator | Nov 2024 |
| 3614 | Enerfin Resources II-92 L.P. | Houston, TX 77077 | Oil & Gas Operator | Sep 2025 |
| 3615 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 3616 | Energen Resources Maq Inc | Birmingham, AL 35203 | Oil & Gas Operator | Sep 2000 |
| 3617 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Dec 1983 |
| 3618 | Energex Corp | Springfield, MO 65807 | Oil & Gas Operator | Nov 2025 |
| 3619 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 3620 | Energon Oil & Gas Inc. | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
| 3621 | Energon Oil, Inc. | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2026 |
| 3622 | Energon3 | Rowlett, TX 75089 | Oil Operator | Feb 2026 |
| 3623 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
| 3624 | Energy + Savings, L.L.C. | Alamo, TX 78516 | Oil & Gas Operator | Jan 2008 |
| 3625 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Feb 2026 |
| 3626 | Energy Acquisitions, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 1996 |
| 3627 | Energy Arrow Exploration, LLC | Houston, TX 77002 | Oil & Gas Operator | May 1998 |
| 3628 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 3629 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 3630 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Feb 2023 |
| 3631 | Energy From Texas, L. P. | Dallas, TX 75230 | Oil & Gas Operator | Dec 2013 |
| 3632 | Energy Frontiers Partners, LP | Grapevine, TX 76051 | Oil Operator | May 2008 |
| 3633 | Energy Group Of America, Inc. | Hollister, MO 65672 | Oil Operator | Feb 2026 |
| 3634 | Energy Hunter Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Feb 2019 |
| 3635 | Energy Management Company | Kilgore, TX 75663 | Oil Operator | Apr 2020 |
| 3636 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 3637 | Energy Onramp LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 3638 | Energy Partners, LTD. | New Orleans, LA 70170 | Oil & Gas Operator | Aug 2012 |
| 3639 | Energy Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 3640 | Energy Reserves Group | Houston, TX 770563020 | Oil & Gas Operator | Apr 1996 |
| 3641 | Energy Reserves Group LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 3642 | Energy Resource & Develop., Corp | Rockwall, TX 75087 | Oil & Gas Operator | Jun 1998 |
| 3643 | Energy Resource Management, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Mar 2008 |
| 3644 | Energy Resources Oil & Gas Corp. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 1994 |
| 3645 | Energy Service Investment Corp. | Tulsa, OK 74137 | Oil & Gas Operator | May 2006 |
| 3646 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Nov 2025 |
| 3647 | Energy Transfer Fuel, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 3648 | Energy Well Service, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Oct 2004 |
| 3649 | Energypro, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Feb 2026 |
| 3650 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Nov 2025 |
| 3651 | Energyquest Management, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2021 |
| 3652 | Enerquest Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 3653 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2025 |
| 3654 | Enerquest Operating, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2026 |
| 3655 | Enerquest Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 3656 | Enerstar Resources, L.C. | Midland, TX 79701 | Oil & Gas Operator | Apr 1999 |
| 3657 | Enertex, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 |
| 3658 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 3659 | Enex Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 3660 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 3661 | Eng, George E. | Midland, TX 79701 | Oil & Gas Operator | Dec 2011 |
| 3662 | Engas Corporation | Jacksboro, TX 76458 | Oil & Gas Operator | May 2008 |
| 3663 | Engas XP, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Feb 2026 |
| 3664 | Engelke, R. H. | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2026 |
| 3665 | Engelke, Randall Glen | Luling, TX 78648 | Oil & Gas Operator | Jul 2007 |
| 3666 | Engroup Resources, L.P. | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 3667 | Enhanced Energy Partners Corp | Tomball, TX 77377 | Oil & Gas Operator | Feb 2026 |
| 3668 | Enhanced RS, Inc. | Luling, TX 78648 | Oil Operator | Feb 2026 |
| 3669 | Enid Operating, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 3670 | Enline Operating, L.L.C. | Houston, TX 77019 | Oil & Gas Operator | Jun 1998 |
| 3671 | Enline Resources, LLC | Houston, TX 77254 | Oil & Gas Operator | Feb 1996 |
| 3672 | Enlo Energy Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 3673 | Enloe Oil Company | Olney, TX 76374 | Oil & Gas Operator | Jun 2000 |
| 3674 | Enmark Gas Gathering LP | Dallas, TX 75252 | Oil & Gas Operator | Sep 2025 |
| 3675 | Enpower Resources Inc. | Sugar Land, TX 77479 | Oil & Gas Operator | Feb 2026 |
| 3676 | Enr Operating, LLC | Eunice, NM 88231 | Oil & Gas Operator | Feb 2026 |
| 3677 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 3678 | Enre, L.P. | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2004 |
| 3679 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 3680 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 3681 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 3682 | Enserch Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 1998 |
| 3683 | Ensight Energy Management, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2005 |
| 3684 | Ensight III Energy MGMT, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2008 |
| 3685 | Ensight IV Energy Management,LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 3686 | Ensight Resources, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2001 |
| 3687 | Ensign Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Jan 2004 |
| 3688 | Ensign Operating LLC | Houston, TX 77086 | Oil & Gas Operator | Feb 2023 |
| 3689 | Ensouth Operating Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 1993 |
| 3690 | Enstar Energy, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Feb 2026 |
| 3691 | Enstor Katy Storage & Transp LP | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 3692 | Enterra Resources, LLC | Edmond, OK 73083 | Oil & Gas Operator | Sep 2025 |
| 3693 | Enwest Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Aug 1994 |
| 3694 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
| 3695 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 3696 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Feb 2026 |
| 3697 | EP Energy E&P Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 3698 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | Jan 2023 |
| 3699 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 3700 | Epic Permian Operating, LLC | Arvada, CO 80006 | Oil & Gas Operator | Jan 2025 |