| 8701 | Dynaco, Incorporated | | Oil & Gas Operator | Dec 1980 |
| 8702 | Dynamic Development Inc | | Oil & Gas Operator | Nov 2025 |
| 8703 | Dynamic Exploration PTRS, LLC | | Oil & Gas Operator | Nov 2024 |
| 8704 | Dynamic Exploration, Inc. | | Oil & Gas Operator | Oct 2003 |
| 8705 | Dynamic Of Texas, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Aug 2003 |
| 8706 | Dynamic Offshore Res. NS, LLC | Houston, TX 77010 | Oil & Gas Operator | May 2010 |
| 8707 | Dynamic Offshore Resources, LLC | Houston, TX 77042 | Oil & Gas Operator | Mar 2026 |
| 8708 | Dynamic Petroleum Res., Inc. | Houston, TX 77068 | Oil & Gas Operator | Jul 1994 |
| 8709 | Dynamic Production, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2026 |
| 8710 | Dyne Exploration Company | Plano, TX 75093-6512 | Oil & Gas Operator | Apr 2020 |
| 8711 | Dyne Oil & Gas,Inc. | Borger, TX 79008 | Oil & Gas Operator | Dec 2017 |
| 8712 | Dyno Energy LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2026 |
| 8713 | Dyson Energy Operating, LLC | Bryan, TX 77802 | Oil & Gas Operator | Jun 2018 |
| 8714 | Dzurik Interests, Inc. | | Oil & Gas Operator | Dec 2024 |
| 8715 | E & B Equipment | Liberty, TX 77575 | Oil & Gas Operator | Feb 2010 |
| 8716 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Dec 2025 |
| 8717 | E & E Construction Company | Wichita Falls, TX 76308 | Oil Operator | Mar 2026 |
| 8718 | E & E Drilling Co., Inc. | Wichita Falls, TX 76308 | Oil Operator | Mar 2026 |
| 8719 | E & E Enterprises | Enid, OK 73703-1420 | Oil & Gas Operator | Nov 2014 |
| 8720 | E & E Oil | | Oil Operator | Dec 2019 |
| 8721 | E & E Production Company, Inc. | | Oil & Gas Operator | Dec 2004 |
| 8722 | E & R Oil | San Angelo, TX 76906 | Oil & Gas Operator | Mar 2026 |
| 8723 | E & S Operating Company | Caddo, TX 76429 | Oil & Gas Operator | Feb 2018 |
| 8724 | E & S Production Corp. | | Oil & Gas Operator | Dec 1988 |
| 8725 | E & S Resources LLC | Crescent, OK 73028 | Oil & Gas Operator | Oct 2025 |
| 8726 | E & T Limited Liability Co. | | Oil & Gas Operator | Dec 2025 |
| 8727 | E & W Oil, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Mar 2026 |
| 8728 | E & W Production | Olney, TX 76374 | Oil & Gas Operator | Aug 2018 |
| 8729 | E D Markham | | Gas Operator | Nov 1978 |
| 8730 | E G Operating Co | Austin, TX 78746 | Oil & Gas Operator | Jun 1997 |
| 8731 | E I C Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 1984 |
| 8732 | E K Energy LLC | Colony, KS 66015 | Oil Operator | Sep 2025 |
| 8733 | E L Fundingsland | Littleton, CO 80160 | Oil & Gas Operator | Jun 2016 |
| 8734 | E L M Oil Company | Lockhart, TX 78644 | Oil & Gas Operator | May 2000 |
| 8735 | E Lee Mills | | Oil Operator | Aug 1987 |
| 8736 | E Lyle Johnson Inc | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2025 |
| 8737 | E O R Petroleum | | Oil Operator | Oct 1987 |
| 8738 | E P C Oil & Gas, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Mar 2026 |
| 8739 | E R Operating Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2025 |
| 8740 | E S P Developmne | | Oil Operator | Oct 1993 |
| 8741 | E Texas Production MGMT Co Inc | | Oil & Gas Operator | Oct 1996 |
| 8742 | E W D Oil | Winters, TX 79567 | Oil & Gas Operator | Mar 2026 |
| 8743 | E&B Natural Resources MGT Corp | Bakersfield, CA 93308 | Oil & Gas Operator | Aug 2017 |
| 8744 | E&E Oil LLC | Canton, KS 67428 | Oil Operator | Sep 2025 |
| 8745 | E-Cor, Inc. | Austin, TX 78734 | Gas Operator | Feb 1999 |
| 8746 | E-L Gas Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 8747 | E-P Oil Co. Inc. | Luling, TX 78648 | Oil & Gas Operator | Mar 2026 |
| 8748 | E-Z Mart Stores, Inc. | | Oil Operator | Jul 2004 |
| 8749 | E-Z Serve Of Ca Inc. | | Oil Operator | Dec 1989 |
| 8750 | E. & H. Oil Company | Woodson, TX 76491 | Oil & Gas Operator | May 1998 |
| 8751 | E. & S. Drilling Company | | Oil & Gas Operator | Feb 1995 |
| 8752 | E. A. Courtney | | Oil & Gas Operator | Oct 1978 |
| 8753 | E. B. Germany & Sons LLC | | Oil & Gas Operator | Dec 2011 |
| 8754 | E. C. Green | | Gas Operator | Dec 1989 |
| 8755 | E. Conway Butts, Inc. | | Oil & Gas Operator | Apr 1991 |
| 8756 | E. G. Williamson, Jr. | | Oil Operator | Jan 1993 |
| 8757 | E. L. Cox And Stanrich Oil Co. | | Oil & Gas Operator | Jul 1981 |
| 8758 | E. L. Daniels Drilling Contractor | | Oil Operator | Feb 2014 |
| 8759 | E. L. Larry | | Oil & Gas Operator | Mar 1989 |
| 8760 | E. M. Self | | Oil Operator | Feb 1981 |
| 8761 | E. P. Alexander | | Oil Operator | Jan 1984 |
| 8762 | E. P. Alexander, Et Al | | Oil Operator | Jan 1984 |
| 8763 | E. T. Oil Company | Luling, TX 78648 | Oil & Gas Operator | Mar 2026 |
| 8764 | E. T. S. Enterprises, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 1996 |
| 8765 | E.A.T.E. Operating | Natalia, TX 78059 | Oil & Gas Operator | Mar 2026 |
| 8766 | E.C. Hindman Oil And Gas | Graham, TX 76450 | Oil & Gas Operator | Mar 2026 |
| 8767 | E.C. Production, L.L.C. | Rosenberg, TX 77471 | Oil & Gas Operator | Mar 2026 |
| 8768 | E.G. Operating | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 8769 | E.G.L. Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 8770 | E/T Petroleum Co. | Big Lake, TX 76932 | Oil & Gas Operator | Aug 2014 |
| 8771 | E2 Operating LLC | Tulsa, OK 74135 | Oil & Gas Operator | Mar 2026 |
| 8772 | E4 Production LLC | Comanche, OK 73529 | Oil Operator | Dec 2025 |
| 8773 | Ea Petroleum Inc | Norman, OK 73072-4147 | Oil & Gas Operator | May 2006 |
| 8774 | Eaa Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Mar 2026 |
| 8775 | Eado Production, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Aug 2012 |
| 8776 | Eads Operating C | | Oil Operator | Jun 1990 |
| 8777 | Eads Operating Company | | Oil & Gas Operator | Mar 1991 |
| 8778 | Eager Oil Company | Stanhope, NJ 07874-0577 | Oil Operator | Jun 2014 |
| 8779 | Eagle Capital Partners, LLC | Eunice, NM 88231 | Oil & Gas Operator | Mar 2026 |
| 8780 | Eagle Creek Colony | Galata, MT 59444 | Oil & Gas Operator | Nov 2025 |
| 8781 | Eagle Creek Corporation | Andover, KS 67002 | Oil & Gas Operator | Sep 2025 |
| 8782 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2024 |
| 8783 | Eagle Energy | Midland, TX 79710 | Oil & Gas Operator | Aug 1994 |
| 8784 | Eagle Energy Acquisitions LP | Houston, TX 77002 | Oil & Gas Operator | Aug 2014 |
| 8785 | Eagle Energy Development Co | La Porte, TX 77571 | Oil & Gas Operator | Dec 2024 |
| 8786 | Eagle Energy Production LLC | Tulsa, OK 74136-1935 | Oil & Gas Operator | Mar 2020 |
| 8787 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Mar 2026 |
| 8788 | Eagle Energy, Inc. | Moreland, KS 67650 | Oil & Gas Operator | Dec 2021 |
| 8789 | Eagle Expl Co/Johnson J | Bolivar, OH 44612 | Oil & Gas Operator | Dec 1989 |
| 8790 | Eagle Exploratio | | Oil & Gas Operator | Oct 1991 |
| 8791 | Eagle Exploration Co., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2019 |
| 8792 | Eagle Exploration Production LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2026 |
| 8793 | Eagle Ford Hunter Resources,Inc. | Houston, TX 77024 | Oil & Gas Operator | Apr 2013 |
| 8794 | Eagle Ford Oil Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2026 |
| 8795 | Eagle Hydrocarbons (Texas) Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 8796 | Eagle Hydrocarbons Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 2020 |
| 8797 | Eagle Line Corp | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2015 |
| 8798 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
| 8799 | Eagle Minerals Inc | Tulsa, OK 74119 | Oil Operator | Jun 1998 |
| 8800 | Eagle Mountain Energy | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |