| 8801 | E. M. Self | | Oil Operator | Feb 1981 |
| 8802 | E. P. Alexander | | Oil Operator | Jan 1984 |
| 8803 | E. P. Alexander, Et Al | | Oil Operator | Jan 1984 |
| 8804 | E. T. Oil Company | Luling, TX 78648 | Oil & Gas Operator | Dec 2025 |
| 8805 | E. T. S. Enterprises, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 1996 |
| 8806 | E.A.T.E. Operating | Natalia, TX 78059 | Oil & Gas Operator | Dec 2025 |
| 8807 | E.C. Hindman Oil And Gas | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 8808 | E.C. Production, L.L.C. | Rosenberg, TX 77471 | Oil & Gas Operator | Dec 2025 |
| 8809 | E.G. Operating | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 8810 | E.G.L. Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 8811 | E/T Petroleum Co. | Big Lake, TX 76932 | Oil & Gas Operator | Aug 2014 |
| 8812 | E2 Operating LLC | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2025 |
| 8813 | E4 Production LLC | Comanche, OK 73529 | Oil Operator | Aug 2025 |
| 8814 | Ea Petroleum Inc | Norman, OK 73072-4147 | Oil & Gas Operator | May 2006 |
| 8815 | Eaa Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Dec 2025 |
| 8816 | Eado Production, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Aug 2012 |
| 8817 | Eads Operating C | | Oil Operator | Jun 1990 |
| 8818 | Eads Operating Company | | Oil & Gas Operator | Mar 1991 |
| 8819 | Eager Oil Company | Stanhope, NJ 07874-0577 | Oil Operator | Jun 2014 |
| 8820 | Eagle Capital Partners, LLC | Eunice, NM 88231 | Oil & Gas Operator | Dec 2025 |
| 8821 | Eagle Creek Colony | Galata, MT 59444 | Oil & Gas Operator | Aug 2025 |
| 8822 | Eagle Creek Corporation | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 8823 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2024 |
| 8824 | Eagle Energy | Midland, TX 79710 | Oil & Gas Operator | Aug 1994 |
| 8825 | Eagle Energy Acquisitions LP | Houston, TX 77002 | Oil & Gas Operator | Aug 2014 |
| 8826 | Eagle Energy Development Co | La Porte, TX 77571 | Oil & Gas Operator | Dec 2024 |
| 8827 | Eagle Energy Production LLC | Tulsa, OK 74136-1935 | Oil & Gas Operator | Mar 2020 |
| 8828 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Dec 2025 |
| 8829 | Eagle Energy, Inc. | Moreland, KS 67650 | Oil & Gas Operator | Dec 2021 |
| 8830 | Eagle Expl Co/Johnson J | Bolivar, OH 44612 | Oil & Gas Operator | Dec 1989 |
| 8831 | Eagle Exploratio | | Oil & Gas Operator | Oct 1991 |
| 8832 | Eagle Exploration Co., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2019 |
| 8833 | Eagle Exploration Production LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2025 |
| 8834 | Eagle Ford Hunter Resources,Inc. | Houston, TX 77024 | Oil & Gas Operator | Apr 2013 |
| 8835 | Eagle Ford Oil Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 8836 | Eagle Hydrocarbons (Texas) Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 8837 | Eagle Hydrocarbons Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 2020 |
| 8838 | Eagle Line Corp | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2015 |
| 8839 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
| 8840 | Eagle Minerals Inc | Tulsa, OK 74119 | Oil Operator | Jun 1998 |
| 8841 | Eagle Mountain Energy | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 8842 | Eagle Natural Resources, LLC | Eunice, NM 88231 | Oil Operator | Dec 2025 |
| 8843 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 8844 | Eagle Oil & Gas Properties Inc | Pleasant Prarie, WI 53158-4719 | Oil & Gas Operator | Jan 2016 |
| 8845 | Eagle Oil & Gas, Inc. | | Oil & Gas Operator | Nov 1984 |
| 8846 | Eagle Oil & Gas, LLC (Dba Eagle Oil & Gas Co.) | | Oil & Gas Operator | Dec 2021 |
| 8847 | Eagle Oil Compan | | Oil Operator | Jul 1990 |
| 8848 | Eagle Oil Management Co., LLC | | Oil & Gas Operator | Jan 2023 |
| 8849 | Eagle Oil Management, LLC | Shreveport, LA 71106 | Oil & Gas Operator | Dec 2025 |
| 8850 | Eagle Oil, LLC | Moline, KS 67353 | Oil Operator | Oct 2016 |
| 8851 | Eagle Operating | Midland, TX 79707 | Oil & Gas Operator | May 2013 |
| 8852 | Eagle Operating Company | Tulsa, OK 74146-5730 | Oil & Gas Operator | Aug 2020 |
| 8853 | Eagle Operating, Inc. | Minot, ND 58701 | Oil & Gas Operator | Oct 2025 |
| 8854 | Eagle Petroleum | | Oil & Gas Operator | Nov 1995 |
| 8855 | Eagle Petroleum Corporation | Holliday, TX 76366 | Oil & Gas Operator | Oct 2005 |
| 8856 | Eagle Petroleum, Inc. | Ellinwood, KS 67526 | Oil Operator | Jun 2025 |
| 8857 | Eagle Production, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Dec 2025 |
| 8858 | Eagle Resources | | Oil & Gas Operator | Mar 1987 |
| 8859 | Eagle Resources Corp | Cranberry TWP, PA 16066-0791 | Oil & Gas Operator | Dec 2012 |
| 8860 | Eagle Resources Inc | Claremore, OK 74019-5398 | Oil & Gas Operator | May 2013 |
| 8861 | Eagle Resources LP Dba Ted Hoskinson | Roswell, NM 882023900 | Oil & Gas Operator | Dec 2008 |
| 8862 | Eagle River Ener | | Oil Operator | Dec 1996 |
| 8863 | Eagle River Energy Corporation | Broken Arrow, OK 74011 | Oil & Gas Operator | Aug 2025 |
| 8864 | Eagle Road Oil LLC | Tulsa, OK 74103-3312 | Oil & Gas Operator | Aug 2025 |
| 8865 | Eagle Rock Mid-Continent Op, LLC | Houston, TX 77252 | Oil & Gas Operator | Sep 2015 |
| 8866 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Aug 2025 |
| 8867 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 8868 | Eagle Valley Development LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2023 |
| 8869 | Eagle Well Service, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2023 |
| 8870 | Eagleridge Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Dec 2025 |
| 8871 | Eakin Brothers | Pampa, TX 79065 | Gas Operator | Dec 2025 |
| 8872 | Eakin Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 8873 | Eakin J L | Bartlesville, OK 74136 | Oil & Gas Operator | Feb 2020 |
| 8874 | Eap Ohio LLC | Oklahoma City, OK 73134-2646 | Oil & Gas Operator | Jun 2025 |
| 8875 | Earco Oil Operations, Inc. | McPherson, KS 67460 | Oil Operator | Mar 1999 |
| 8876 | Earl Dyess | | Oil & Gas Operator | Jul 1990 |
| 8877 | Earl Markham Et Al | | Gas Operator | Jun 1979 |
| 8878 | Earl Oil Inc | Stillwater, OK 74074-1079 | Oil & Gas Operator | Aug 2025 |
| 8879 | Earl Schwartz Co. | | Oil & Gas Operator | Oct 1989 |
| 8880 | Earl W Todd | | Oil Operator | Jan 2008 |
| 8881 | Earl-Le Oil Company | Bristow, OK 74010-9547 | Oil & Gas Operator | Jul 2025 |
| 8882 | Earley Donald E | Utica, OH 43080 | Oil Operator | Dec 2019 |
| 8883 | Earlsboro Energies Corporation | Oklahoma City, OK 73116-3605 | Oil & Gas Operator | Aug 2025 |
| 8884 | Earnest Producing Corporation | Midland, TX 79704 | Oil & Gas Operator | Dec 2025 |
| 8885 | Earnest R Smith SR | Kingsburg, CA 93631 | Gas Operator | Jul 2006 |
| 8886 | Earnest Russel | Okmulgee, OK 74447-1216 | Oil & Gas Operator | Jan 2007 |
| 8887 | Earsing, Mary E. | Marilla, NY 14102 | Gas Operator | Dec 2024 |
| 8888 | Earth Basics Contracting Corp. | | Oil & Gas Operator | Dec 2001 |
| 8889 | Earth Oil Inc | Skiatook, OK 74070-0578 | Oil & Gas Operator | Oct 2008 |
| 8890 | Earth Science Exploration, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2012 |
| 8891 | Earth Scientists | | Oil Operator | Jan 1986 |
| 8892 | Earth Sound, Inc | | Oil Operator | Dec 2017 |
| 8893 | Earthbound Energy LLC | Merkel, TX 79536 | Oil Operator | Dec 2025 |
| 8894 | Earthbound Resources LLC | Merkel, TX 79536 | Oil & Gas Operator | Dec 2025 |
| 8895 | Earthstone Energy, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2017 |
| 8896 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2025 |
| 8897 | Easom, Dave Production Co Inc | | Oil & Gas Operator | Nov 1998 |
| 8898 | Easom-Middleton Operating, Inc | | Oil & Gas Operator | Sep 1992 |
| 8899 | Eason Drilling & Services Co. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2005 |
| 8900 | Eason Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2012 |