| 8901 | Efficiency Operating Service | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
| 8902 | Egan Resources Inc. | Katy, TX 77494 | Oil & Gas Operator | Oct 2016 |
| 8903 | Eggleston, Garaland | Big Lake, TX 76932 | Oil & Gas Operator | Aug 2003 |
| 8904 | Egh Operating, LLC | | Oil & Gas Operator | May 2024 |
| 8905 | Egi, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2024 |
| 8906 | Egl Oil And Gas Corporation | Tyler, TX 75703 | Oil & Gas Operator | Aug 2003 |
| 8907 | Ego Operating LLC | Boca Raton, FL 33431 | Oil Operator | Dec 2019 |
| 8908 | Egolf Operating Company | Oklahoma City, OK 73114-7899 | Oil & Gas Operator | Apr 1998 |
| 8909 | Egret Operating Company | Muskogee, OK 74401 | Oil & Gas Operator | Aug 2024 |
| 8910 | Ehb Oil Company | | Oil Operator | Dec 2001 |
| 8911 | Ehrlich, Mitchell | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 8912 | Ehvi Exploration LLC | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2024 |
| 8913 | Eichenber A H Co | Tulsa, OK 74105 | Oil & Gas Operator | Oct 2002 |
| 8914 | Eidos Energy, Inc. | | Oil & Gas Operator | Oct 2017 |
| 8915 | Eig Petroleum LLC | Asheville, NC 28803-2908 | Oil Operator | Aug 2015 |
| 8916 | Eighty-Six Oil Company, Inc. | Luling, TX 78648 | Oil & Gas Operator | Nov 2024 |
| 8917 | Einink, Mark B. | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 8918 | Eise Oil, Inc. | San Antonio, TX 78213 | Oil Operator | Nov 2024 |
| 8919 | Eishen, Rosalie; Eishen, Eric; And Pray, Leonore | | Oil & Gas Operator | Dec 2023 |
| 8920 | Eitel Energy, LLC | Farlington, KS 66734 | Oil Operator | May 2024 |
| 8921 | Ej Brumage & Ra Pultorak | Waynesburg, PA 15370-2434 | Gas Operator | Dec 2018 |
| 8922 | Ekg Operating Inc | Seminole, OK 74818-1028 | Oil & Gas Operator | Nov 2015 |
| 8923 | El Campo Operating, LLC | Dallas, TX 75206 | Oil & Gas Operator | Feb 2011 |
| 8924 | El Coqui' Oil Company | Tussy, OK 73088 | Oil & Gas Operator | Oct 2009 |
| 8925 | El Dorado Exploration Co. | | Oil Operator | Dec 1999 |
| 8926 | El Dorado Gas & Oil, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Nov 2024 |
| 8927 | El Dorado Resources Inc. | Waco, TX 76710 | Oil & Gas Operator | Oct 2009 |
| 8928 | El Indio Energy LLC | Austin, TX 78746 | Oil Operator | Nov 2024 |
| 8929 | El Pache Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Aug 2017 |
| 8930 | El Pamco Inc | Albuquerque, NM 87191 | Gas Operator | Mar 2020 |
| 8931 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
| 8932 | El Paso E&P Zapata, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2010 |
| 8933 | El Paso Energy Raton LLC | | Gas Operator | Sep 2008 |
| 8934 | El Paso Exploration Company | | Oil & Gas Operator | Jul 1985 |
| 8935 | El Paso Field Services Company | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 8936 | El Paso Gas Marketing | Unknown, NM 99999 | Oil & Gas Operator | Feb 1997 |
| 8937 | El Paso Natural Gas Company | El Paso, TX 79978 | Oil & Gas Operator | Apr 2013 |
| 8938 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 8939 | El Paso Production Gom, Inc. | | Oil & Gas Operator | Nov 2005 |
| 8940 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Nov 2024 |
| 8941 | El Ran, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Nov 2024 |
| 8942 | El Reno Energy, LLC | Granbury, TX 76048 | Oil & Gas Operator | Nov 2024 |
| 8943 | El Segundo Oil LLC | | Oil Operator | Aug 2024 |
| 8944 | El Toro Oil Co. & Flagg Resc. | | Oil & Gas Operator | May 1993 |
| 8945 | El Toro Production Co., Inc. | | Oil & Gas Operator | Jan 2016 |
| 8946 | El Toro Resources LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2024 |
| 8947 | El Tres Exploration | Houston, TX 77098 | Oil & Gas Operator | Mar 2008 |
| 8948 | El Tres Petr. Corp. | | Oil & Gas Operator | Jan 1984 |
| 8949 | El-Kan Exploration | Garfield, KS 67529 | Oil Operator | Jul 1997 |
| 8950 | El-Oil, LTD. | | Oil & Gas Operator | Jun 2024 |
| 8951 | Elad Petroleum Corporation | | Oil Operator | Jun 2005 |
| 8952 | Elahs Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 8953 | Elam, Jack G. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 8954 | Elam, Jack G., Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2002 |
| 8955 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Sep 2024 |
| 8956 | Elb Enterprise LLC | | Oil Operator | Jul 2024 |
| 8957 | Elba Oil Company LLC | Macksburg, OH 45746 | Oil Operator | Dec 2023 |
| 8958 | Elco Oil & Gas | San Angelo, TX 76902 | Oil & Gas Operator | Dec 2014 |
| 8959 | Elco Oil & Gas, Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Nov 2024 |
| 8960 | Elco Resources LLC | Owasso, OK 74055-7575 | Oil & Gas Operator | Sep 2024 |
| 8961 | Elder & Vaughn Inc | Oklahoma City, OK 73154-0938 | Oil & Gas Operator | Mar 2008 |
| 8962 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2023 |
| 8963 | Elder Oil Co. | West Union, WV 26456 | Oil & Gas Operator | Dec 2021 |
| 8964 | Eldon Oil Co. | Three Rivers, TX 78071 | Oil & Gas Operator | Nov 2024 |
| 8965 | Eldon Radke | | Oil Operator | May 2001 |
| 8966 | Eldorado Gas Inc. | | Oil & Gas Operator | May 1986 |
| 8967 | Eldorado Oil And Gas, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Nov 1995 |
| 8968 | Eldorado Operating Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2004 |
| 8969 | Eldred Prod And Consulting, LLC | Nocona, TX 76255 | Oil Operator | Nov 2024 |
| 8970 | Electragas, Inc. | Houston, TX 77064 | Oil Operator | Nov 2024 |
| 8971 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 8972 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 8973 | Element Petro Operating II, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2016 |
| 8974 | Element Petroleum Op III, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 8975 | Element Petroleum Operating IV, | Midland, TX 79710 | Oil Operator | Nov 2024 |
| 8976 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 8977 | Elendil Resources LLC | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 8978 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | Nov 2024 |
| 8979 | Elephant Exploration Inc. | Hartville, OH 44632 | Oil & Gas Operator | Dec 2023 |
| 8980 | Elephant Oil & Gas, LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2015 |
| 8981 | Elephant Operating LLC | Dallas, TX 75204 | Oil & Gas Operator | Sep 2024 |
| 8982 | Eleuterius Company | | Oil Operator | Jan 1983 |
| 8983 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Jul 2024 |
| 8984 | Elevation Resources LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 8985 | Eleven Eleven Investments, LLC | Hays, KS 67601 | Oil Operator | Apr 2024 |
| 8986 | Eleven K Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Sep 2024 |
| 8987 | Elf Aquitaine Inc | Houston, TX 77002 | Oil & Gas Operator | May 1991 |
| 8988 | Elf Aquitaine Operating, Inc. | | Oil & Gas Operator | Jan 1992 |
| 8989 | Elfco, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 1996 |
| 8990 | Elgie Company, Inc. | | Oil & Gas Operator | Aug 1993 |
| 8991 | Elgin Construction Company Inc | Elgin, OK 73538-0370 | Oil Operator | Jun 2024 |
| 8992 | Elgin Energy Corp. | | Oil Operator | May 1995 |
| 8993 | Eli Rebich | | Oil & Gas Operator | Dec 1986 |
| 8994 | Elint Operating Inc | Oklahoma City, OK 73106 | Oil & Gas Operator | May 1995 |
| 8995 | Elison Oil & Gas, Inc. | Montgomery, TX 77356 | Oil & Gas Operator | Oct 1999 |
| 8996 | Elite Group LLC | | Oil & Gas Operator | Aug 2024 |
| 8997 | Elite Resources Inc | Cleveland, OK 74020 | Oil & Gas Operator | Sep 2024 |
| 8998 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Sep 2024 |
| 8999 | Elizabeth Oil Company | | Oil Operator | Oct 1999 |
| 9000 | Elk City Oil Field Service | Elk City, KS 67344 | Oil Operator | Oct 1996 |