| 8901 | E4 Production LLC | Comanche, OK 73529-7100 | Oil Operator | Feb 2025 |
| 8902 | Ea Petroleum Inc | Norman, OK 73072-4147 | Oil & Gas Operator | May 2006 |
| 8903 | Eaa Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Apr 2025 |
| 8904 | Eado Production, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Aug 2012 |
| 8905 | Eads Operating C | | Oil Operator | Jun 1990 |
| 8906 | Eads Operating Company | | Oil & Gas Operator | Mar 1991 |
| 8907 | Eager Oil Company | Stanhope, NJ 07874-0577 | Oil Operator | Jun 2014 |
| 8908 | Eagle Capital Partners, LLC | Eunice, NM 88231 | Oil & Gas Operator | Apr 2025 |
| 8909 | Eagle Creek Colony | Galata, MT 59444 | Oil & Gas Operator | Dec 2024 |
| 8910 | Eagle Creek Corporation | Andover, KS 67002 | Oil & Gas Operator | Dec 2024 |
| 8911 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2023 |
| 8912 | Eagle Energy | Midland, TX 79710 | Oil & Gas Operator | Sep 1999 |
| 8913 | Eagle Energy Acquisitions LP | Houston, TX 77002 | Oil & Gas Operator | Aug 2014 |
| 8914 | Eagle Energy Development Co | La Porte, TX 77571 | Oil & Gas Operator | Dec 2024 |
| 8915 | Eagle Energy Production LLC | Tulsa, OK 74136-1935 | Oil & Gas Operator | Mar 2020 |
| 8916 | Eagle Energy PTR I LP | Houston, TX 77064 | Oil & Gas Operator | Feb 2015 |
| 8917 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Apr 2025 |
| 8918 | Eagle Energy, Inc. | Moreland, KS 67650 | Oil & Gas Operator | Dec 2021 |
| 8919 | Eagle Expl Co/Johnson J | Bolivar, OH 44612 | Oil & Gas Operator | Dec 1989 |
| 8920 | Eagle Exploratio | | Oil & Gas Operator | Oct 1991 |
| 8921 | Eagle Exploration Co., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2019 |
| 8922 | Eagle Exploration Production LLC | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2025 |
| 8923 | Eagle Ford Hunter Resources,Inc. | Houston, TX 77024 | Oil & Gas Operator | Apr 2013 |
| 8924 | Eagle Ford Oil Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 8925 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
| 8926 | Eagle Hydrocarbons (Texas) Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 8927 | Eagle Hydrocarbons Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 2020 |
| 8928 | Eagle Line Corp | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2015 |
| 8929 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
| 8930 | Eagle Minerals Inc | Tulsa, OK 74119 | Oil Operator | Jun 1998 |
| 8931 | Eagle Mountain Energy | Columbus, OH 43214-981-981 | Oil & Gas Operator | Dec 2002 |
| 8932 | Eagle Natural Resources, LLC | Eunice, NM 88231 | Oil Operator | Apr 2025 |
| 8933 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2025 |
| 8934 | Eagle Oil & Gas Properties Inc | Pleasant Prarie, WI 53158-4719 | Oil & Gas Operator | Jan 2016 |
| 8935 | Eagle Oil & Gas, Inc. | | Oil & Gas Operator | Nov 1984 |
| 8936 | Eagle Oil & Gas, LLC (Dba Eagle Oil & Gas Co.) | | Oil & Gas Operator | Dec 2021 |
| 8937 | Eagle Oil Compan | | Oil Operator | Jul 1990 |
| 8938 | Eagle Oil Management Co., LLC | | Oil & Gas Operator | Jan 2023 |
| 8939 | Eagle Oil Management, LLC | Shreveport, LA 71106 | Oil & Gas Operator | Apr 2025 |
| 8940 | Eagle Oil, LLC | Moline, KS 67353 | Oil Operator | Oct 2016 |
| 8941 | Eagle Operating | Midland, TX 79707 | Oil & Gas Operator | May 2013 |
| 8942 | Eagle Operating Company | Tulsa, OK 74146-5730 | Oil & Gas Operator | Aug 2020 |
| 8943 | Eagle Operating Inc | Minot, ND 58701 | Oil & Gas Operator | Feb 2025 |
| 8944 | Eagle Petroleum | | Oil & Gas Operator | Nov 1995 |
| 8945 | Eagle Petroleum Corporation | Holliday, TX 76366 | Oil & Gas Operator | Oct 2005 |
| 8946 | Eagle Petroleum, Inc. | Ellinwood, KS 67526 | Oil Operator | Dec 2024 |
| 8947 | Eagle Production, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Apr 2025 |
| 8948 | Eagle Resources | | Oil & Gas Operator | Mar 1987 |
| 8949 | Eagle Resources Corp | Cranberry TWP, PA 16066-0791 | Oil & Gas Operator | Dec 2012 |
| 8950 | Eagle Resources Inc | Claremore, OK 74019-5398 | Oil & Gas Operator | May 2013 |
| 8951 | Eagle Resources LP Dba Ted Hoskinson | Roswell, NM 882023900 | Oil & Gas Operator | Dec 2008 |
| 8952 | Eagle River Ener | | Oil Operator | Dec 1996 |
| 8953 | Eagle River Energy Corporation | Broken Arrow, OK 74011 | Oil & Gas Operator | Jan 2025 |
| 8954 | Eagle Road Oil LLC | Tulsa, OK 74103-3312 | Oil & Gas Operator | Jan 2025 |
| 8955 | Eagle Rock Mid-Continent Op, LLC | Houston, TX 77252 | Oil & Gas Operator | Sep 2015 |
| 8956 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Jan 2025 |
| 8957 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 8958 | Eagle Valley Development LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2023 |
| 8959 | Eagle Well Service, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2023 |
| 8960 | Eagleridge Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2025 |
| 8961 | Eakin Brothers | Pampa, TX 79065 | Gas Operator | Apr 2025 |
| 8962 | Eakin Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 8963 | Eakin J L | Bartlesville, OK 74136 | Oil & Gas Operator | Feb 2020 |
| 8964 | Eap Ohio LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
| 8965 | Earco Oil Operations, Inc. | McPherson, KS 67460 | Oil Operator | Mar 1999 |
| 8966 | Earl Dyess | | Oil & Gas Operator | Jul 1990 |
| 8967 | Earl Markham Et Al | | Gas Operator | Jun 1979 |
| 8968 | Earl Oil Inc | Stillwater, OK 74074-1079 | Oil & Gas Operator | Nov 2024 |
| 8969 | Earl Schwartz Co. | | Oil & Gas Operator | Oct 1989 |
| 8970 | Earl W Todd | | Oil Operator | Jan 2008 |
| 8971 | Earl-Le Oil Company | Bristow, OK 74010-9547 | Oil & Gas Operator | Feb 2025 |
| 8972 | Earley Donald E | Utica, OH 43080-0386-0386 | Oil Operator | Dec 2019 |
| 8973 | Earlsboro Energies Corporation | Oklahoma City, OK 73116-3605 | Oil & Gas Operator | Jan 2025 |
| 8974 | Earnest Producing Corporation | Midland, TX 79704 | Oil & Gas Operator | Apr 2025 |
| 8975 | Earnest R Smith SR | Kingsburg, CA 93631 | Gas Operator | Jul 2006 |
| 8976 | Earnest Russel | Okmulgee, OK 74447-1216 | Oil & Gas Operator | Jan 2007 |
| 8977 | Earsing, Mary E. | Marilla, NY 14102 | Gas Operator | Dec 2023 |
| 8978 | Earth Basics Contracting Corp. | | Oil & Gas Operator | Dec 2001 |
| 8979 | Earth Oil Inc | Skiatook, OK 74070-0578 | Oil & Gas Operator | Oct 2008 |
| 8980 | Earth Science Exploration, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2012 |
| 8981 | Earth Scientists | | Oil Operator | Jan 1986 |
| 8982 | Earth Sound, Inc | | Oil Operator | Dec 2017 |
| 8983 | Earthbound Energy LLC | Merkel, TX 79536 | Oil Operator | Apr 2025 |
| 8984 | Earthbound Resources LLC | Merkel, TX 79536 | Oil & Gas Operator | Apr 2025 |
| 8985 | Earthstone Energy, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2017 |
| 8986 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jan 2025 |
| 8987 | Easom, Dave Production Co Inc | | Oil & Gas Operator | Nov 1998 |
| 8988 | Easom-Middleton Operating, Inc | | Oil & Gas Operator | Sep 1992 |
| 8989 | Eason Drilling & Services Co. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2005 |
| 8990 | Eason Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2012 |
| 8991 | Eason Petroleum Company | | Oil & Gas Operator | Jul 2016 |
| 8992 | Eason Production Company | Atlanta, TX 75551 | Oil & Gas Operator | May 2007 |
| 8993 | East Aurora Union Free School District | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 8994 | East Bay Petroleum | | Oil & Gas Operator | Dec 1987 |
| 8995 | East Cheyenne Gas Storage LLC | | Oil Operator | Feb 2025 |
| 8996 | East Fitts Project LTD PTNSHP | Ada, OK 74820 | Oil & Gas Operator | Dec 2002 |
| 8997 | East Fork Energy Inc | | Oil Operator | Dec 2015 |
| 8998 | East Fork Energy Partners Inc | Edmonton, KY 42129 | Oil Operator | Dec 2016 |
| 8999 | East Fork Oil Corporation | | Oil Operator | Dec 2016 |
| 9000 | East Property Management, LLC | Sewickley, PA 15143 | Gas Operator | Dec 2023 |