| 8901 | Elco Oil & Gas, Inc. | San Angelo, TX 76902 | Oil & Gas Operator | May 2026 |
| 8902 | Elco Resources LLC | Owasso, OK 74055-7575 | Oil & Gas Operator | Dec 2025 |
| 8903 | Elder & Vaughn Inc | Oklahoma City, OK 73154-0938 | Oil & Gas Operator | Mar 2008 |
| 8904 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2025 |
| 8905 | Elder Oil Co. | West Union, WV 26456 | Oil & Gas Operator | Dec 2021 |
| 8906 | Eldon Oil Co. | Three Rivers, TX 78071 | Oil & Gas Operator | May 2026 |
| 8907 | Eldon Radke | | Oil Operator | May 2001 |
| 8908 | Eldorado Gas Inc. | | Oil & Gas Operator | May 1986 |
| 8909 | Eldorado Oil And Gas, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Nov 1995 |
| 8910 | Eldorado Operating Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2004 |
| 8911 | Eldred Prod And Consulting, LLC | Nocona, TX 76255 | Oil Operator | May 2026 |
| 8912 | Electragas, Inc. | Houston, TX 77064 | Oil Operator | May 2026 |
| 8913 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 8914 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 8915 | Element Petro Operating II, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2016 |
| 8916 | Element Petroleum Op III, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 8917 | Element Petroleum Operating IV, LLC | Midland, TX 79710 | Oil Operator | May 2026 |
| 8918 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 8919 | Elendil Resources LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2026 |
| 8920 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | May 2026 |
| 8921 | Elephant Exploration Inc. | Hartville, OH 44632 | Oil & Gas Operator | Dec 2025 |
| 8922 | Elephant Oil & Gas, LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2015 |
| 8923 | Elephant Operating LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2026 |
| 8924 | Eleuterius Company | | Oil Operator | Jan 1983 |
| 8925 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Dec 2025 |
| 8926 | Elevation Resources LLC | Midland, TX 79701 | Oil & Gas Operator | May 2026 |
| 8927 | Eleven Eleven Investments, LLC | Hays, KS 67601 | Oil Operator | Aug 2025 |
| 8928 | Eleven K Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Feb 2026 |
| 8929 | Elf Aquitaine Inc | Houston, TX 77002 | Oil & Gas Operator | May 1991 |
| 8930 | Elf Aquitaine Operating, Inc. | | Oil & Gas Operator | Jan 1992 |
| 8931 | Elfco, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 1996 |
| 8932 | Elgie Company, Inc. | | Oil & Gas Operator | Aug 1993 |
| 8933 | Elgin Construction Company Inc | Elgin, OK 73538-0370 | Oil Operator | Sep 2025 |
| 8934 | Elgin Energy Corp. | | Oil Operator | May 1995 |
| 8935 | Eli Rebich | | Oil & Gas Operator | Dec 1986 |
| 8936 | Elint Operating Inc | Oklahoma City, OK 73106 | Oil & Gas Operator | May 1995 |
| 8937 | Elison Oil & Gas, Inc. | Montgomery, TX 77356 | Oil & Gas Operator | Oct 1999 |
| 8938 | Elita, Inc. | Dallas, TX 75214 | Oil & Gas Operator | Dec 2016 |
| 8939 | Elite Group LLC | | Oil & Gas Operator | Oct 2025 |
| 8940 | Elite Resources Inc | Cleveland, OK 74020 | Oil & Gas Operator | Feb 2026 |
| 8941 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Dec 2025 |
| 8942 | Eliteenergyholdings LLC | Beeville, TX 78102 | Oil & Gas Operator | May 2026 |
| 8943 | Elizabeth Oil Company | | Oil Operator | Oct 1999 |
| 8944 | Elk City Oil Field Service | Elk City, KS 67344 | Oil Operator | Oct 1996 |
| 8945 | Elk Energy Corporation | Denver, CO 80218 | Oil & Gas Operator | Mar 2008 |
| 8946 | Elk Energy Holdings LLC | Wichita, KS 67226 | Oil & Gas Operator | Dec 2025 |
| 8947 | Elk Meadows Resources LLC | Houston, TX 77037 | Oil & Gas Operator | Jan 2021 |
| 8948 | Elk Oil Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2018 |
| 8949 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 8950 | Elk Oil Enterprises, LLC | Wetmore, KS 66550 | Oil Operator | Dec 2009 |
| 8951 | Elk Operating Services, LLC | Denver, CO 80203 | Oil & Gas Operator | Mar 2026 |
| 8952 | Elk Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Aug 2014 |
| 8953 | Elk Production LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2011 |
| 8954 | Elk Production Uintah LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 8955 | Elk Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2011 |
| 8956 | Elk River Resources, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Oct 2023 |
| 8957 | Elk San Juan, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2014 |
| 8958 | Elk Slough Pipeline Co. | | Oil & Gas Operator | Dec 1999 |
| 8959 | Elkhead Gas & Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 2025 |
| 8960 | Elkhorn Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 1995 |
| 8961 | Elkhound Resources Inc | Wellsville, KS 66092 | Oil Operator | Aug 1998 |
| 8962 | Ellard I W | Bixby, OK 74008-0220 | Oil & Gas Operator | Jan 2007 |
| 8963 | Ellard Oil | Loving, TX 76460 | Oil & Gas Operator | May 2022 |
| 8964 | Ellard, Herman | Graham, TX 76450 | Oil & Gas Operator | Feb 2005 |
| 8965 | Ellbogen John P LTD | Casper, WY 82602 | Oil & Gas Operator | Jan 2026 |
| 8966 | Ellen P Sharp LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2025 |
| 8967 | Ellington Energy, Inc. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 8968 | Ellinwood Oil Reclaiming Inc | | Oil Operator | Oct 2009 |
| 8969 | Ellinwood Tank Service, Inc. | Chase, KS 67524 | Oil Operator | Jul 2022 |
| 8970 | Elliott Inc | Roswell, NM 88201 | Oil & Gas Operator | Apr 1962 |
| 8971 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
| 8972 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | May 2026 |
| 8973 | Elliott Oil Co | Roswell, NM 88202 | Oil & Gas Operator | Nov 2001 |
| 8974 | Elliott Oil Company, L.P. | Magnolia, TX 77354 | Oil & Gas Operator | May 2026 |
| 8975 | Elliott Phillip | | Oil Operator | Feb 1992 |
| 8976 | Elliott Resources Inc | Ada, OK 74820-9227 | Oil & Gas Operator | Jul 2010 |
| 8977 | Elliott Underground LLC | | Oil Operator | Mar 2026 |
| 8978 | Elliott, Catherine | Waterville, NY 13480 | Gas Operator | Dec 2024 |
| 8979 | Elliott, W E & Elliott, W E Jr | Pikeville, KY 41502 | Gas Operator | Dec 2024 |
| 8980 | Elliott, W E Et Al | Pikeville, KY 41502 | Gas Operator | Dec 2024 |
| 8981 | Ellis Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | May 2026 |
| 8982 | Ellis M. Moore, Et Al | | Oil Operator | Mar 1986 |
| 8983 | Ellis Resources Group Inc | Rhinelander, WI 54501 | Oil Operator | Dec 2025 |
| 8984 | Ellis Rolland | Henryetta, OK 74437-0536 | Oil & Gas Operator | Sep 2018 |
| 8985 | Ellis, Amon | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 8986 | Ellison Lease Operating | Bridgeport, TX 76426 | Oil & Gas Operator | May 2026 |
| 8987 | Ellison, Dewitt, Jr. | Aspermont, TX 79502 | Oil & Gas Operator | Mar 2016 |
| 8988 | Ellithorp Production LLC | Lindsay, OK 73052-5013 | Oil & Gas Operator | Apr 2019 |
| 8989 | Ellora Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2026 |
| 8990 | Ellora LLC | Boulder, CO 80308 | Oil & Gas Operator | Feb 2009 |
| 8991 | Ellora Operating, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 8992 | Ells Jr Harry A | Englewood, CO 80150 | Gas Operator | Feb 2017 |
| 8993 | Ellstrom Energy Company | Kingwood, TX 77339 | Oil & Gas Operator | Nov 2000 |
| 8994 | Ellsworth Systems, Inc. | Wichita, KS 67202 | Oil & Gas Operator | May 2005 |
| 8995 | Ellsworth, H. P. O&G Properties | Corpus Christ, TX 78413 | Oil & Gas Operator | May 2026 |
| 8996 | Ellvie Wells LLC | New Franklin, OH 44319 | Oil & Gas Operator | Dec 2025 |
| 8997 | Ellwood Exploration LLC | San Antonio, TX 78217 | Oil Operator | Feb 2026 |
| 8998 | Elm Creek Oil, LLC | | Oil Operator | Sep 2025 |
| 8999 | Elm Grove Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | May 2026 |
| 9000 | Elm III Operating Company LLC | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |