| 23901 | Red Mountain Energy LLC | | Oil & Gas Operator | Sep 2017 |
| 23902 | Red Mountain Oil LLC | Golden, CO 80402 | Oil Operator | Nov 1997 |
| 23903 | Red Mountain Operating LLC | Oklahoma City, OK 73118-1253 | Oil & Gas Operator | Apr 2024 |
| 23904 | Red Mountain Resources LLC | | Oil & Gas Operator | Sep 2023 |
| 23905 | Red Oak Energy Co | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2026 |
| 23906 | Red Oak Energy LLC | Clarksburg, PA 15725-8824 | Oil & Gas Operator | Dec 2025 |
| 23907 | Red Oak Energy, Inc. | Wichita, KS 67207 | Oil & Gas Operator | Mar 2026 |
| 23908 | Red Oak Gas Operating Company LP | Houston, TX 77056 | Oil & Gas Operator | Dec 2017 |
| 23909 | Red Oak Oil Company, LLC | Spring, TX 77379 | Oil Operator | Jul 2026 |
| 23910 | Red Oak Operating, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 23911 | Red Ox Resources LLC | Dumas, TX 79029 | Gas Operator | Apr 2026 |
| 23912 | Red Plains Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2017 |
| 23913 | Red Point Oil | | Oil Operator | May 2019 |
| 23914 | Red River Fuels Inc | Bristow, OK 74010-2231 | Oil & Gas Operator | Mar 2008 |
| 23915 | Red River Oil & Gas Company | Oklahoma City, OK 73132-5120 | Oil & Gas Operator | Mar 2015 |
| 23916 | Red River Oil & Gas Inc. | | Oil & Gas Operator | May 2012 |
| 23917 | Red River Oil & Gas LLC | Cherry Hills, CO 80110 | Oil & Gas Operator | Feb 2025 |
| 23918 | Red River Oil Corporation | Alvarado, TX 76009-0449 | Oil & Gas Operator | Dec 2016 |
| 23919 | Red River Operating & DRLG. Co. | Wylie, TX 75098 | Oil & Gas Operator | Jul 2026 |
| 23920 | Red River Petroleum Inc | Tipton, OK 73570 | Oil Operator | Apr 2026 |
| 23921 | Red River Ranch Holdings LLC | | Gas Operator | Jan 2015 |
| 23922 | Red Rock Energy Group Inc | | Oil & Gas Operator | Dec 2024 |
| 23923 | Red Rock Energy L.L.C. | | Oil & Gas Operator | Dec 2021 |
| 23924 | Red Rock Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2015 |
| 23925 | Red Rock Production L.L.C. | | Oil Operator | Jan 2025 |
| 23926 | Red Rock Resources Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | May 2026 |
| 23927 | Red Rock Resources, L.L.C. | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2026 |
| 23928 | Red Rocks Oil & Gas Operating LLC | Oklahoma City, OK 73103 | Oil & Gas Operator | May 2026 |
| 23929 | Red Rooster Gas Corporation | | Gas Operator | Sep 1993 |
| 23930 | Red Sand Resources LLC | Ada, OK 74821 | Oil Operator | Apr 2026 |
| 23931 | Red Sands Energy, LLC | | Oil & Gas Operator | Apr 2017 |
| 23932 | Red Shell Inc | Dale, TX 78616 | Oil & Gas Operator | Jul 2026 |
| 23933 | Red Stag Energy, LLC | Ozona, TX 76943 | Oil & Gas Operator | Jan 2022 |
| 23934 | Red Stag Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Jul 2026 |
| 23935 | Red Stone Resources LLC | Edmond, OK 73013 | Oil Operator | Jun 2023 |
| 23936 | Red Tail Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 23937 | Red Tail Properties, LLC | Tulsa, OK 74107-3443 | Oil Operator | Apr 2026 |
| 23938 | Red Tank Resources, LLC | Dallas, TX 75379 | Oil & Gas Operator | Jul 2026 |
| 23939 | Red Tiger Oil & Gas LLC | Gillette, WY 82718 | Oil & Gas Operator | May 2026 |
| 23940 | Red Valley Resources LLC | McCordsville, IN 46055-0294 | Oil Operator | Dec 2015 |
| 23941 | Red Water Resources, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Jul 2026 |
| 23942 | Red Willow Mid-Continent, LLC | Ignacio, CO 81137 | Oil & Gas Operator | Oct 2009 |
| 23943 | Red Willow Offshore, LLC | | Oil & Gas Operator | Apr 2011 |
| 23944 | Red Willow Production Company | | Oil & Gas Operator | Apr 2026 |
| 23945 | Red Willow Production, LLC | Ignacio, CO 81137 | Oil & Gas Operator | Oct 2015 |
| 23946 | Red Wing Oil & Gas, Inc. | | Oil Operator | Sep 1990 |
| 23947 | Red Wolf Oil Company, Inc. | Brenham, TX 77833 | Oil & Gas Operator | Jul 2026 |
| 23948 | Red Wolf Operating LLC | Edmond, OK 73003-2179 | Oil & Gas Operator | May 2026 |
| 23949 | Red-Tex Energy Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2000 |
| 23950 | Red-Tex Petroleum, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Aug 2003 |
| 23951 | Redbank Oil Co. | | Oil Operator | Dec 2025 |
| 23952 | Redbank Oil Co. Operator | | Oil Operator | Dec 2025 |
| 23953 | Redbird Oil Company | Bartlesville, OK 74005-2566 | Oil & Gas Operator | Mar 2015 |
| 23954 | Redbird Oilfield Services Corp. | Spring, TX 77386 | Oil & Gas Operator | Jul 2026 |
| 23955 | Redboot Production, Inc | Stafford, KS 67578 | Gas Operator | Jan 2017 |
| 23956 | Redbud E & P, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 2026 |
| 23957 | Redbud Oil & Gas | Nowata, OK 74048-0026 | Oil & Gas Operator | Dec 2000 |
| 23958 | Redbud Oil & Gas Operating, LLC | Spring, TX 77379 | Oil & Gas Operator | Mar 2026 |
| 23959 | Redbud Oil Company | Elmore City, OK 73433-8637 | Oil Operator | Apr 2026 |
| 23960 | Redco Oil & Gas, Inc. | Ledbetter, TX 78946 | Oil & Gas Operator | Jul 2026 |
| 23961 | Redco, Inc. | Columbus, OH 43229 | Oil & Gas Operator | Dec 1998 |
| 23962 | Redd Production Of Mansfield | | Oil & Gas Operator | Jan 1991 |
| 23963 | Reddig Enterprises Inc. | Gorham, KS 67640 | Oil Operator | Feb 2026 |
| 23964 | Redding, Bobby L. | Three Rivers, TX 78071 | Oil & Gas Operator | Mar 2004 |
| 23965 | Reddirt Operating, LLC. | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 23966 | Reddy Disposals, LLC | Beeville, TX 78104 | Oil Operator | Jul 2026 |
| 23967 | Reddy Oil & Gas Corporation | Tulsa, OK 74108 | Oil & Gas Operator | Apr 2026 |
| 23968 | Redemption Oil & Gas, LLC | San Antonio, TX 78232 | Oil & Gas Operator | Jul 2024 |
| 23969 | Redfish Bay Operating Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1998 |
| 23970 | Redfork Operations LLC | Dover, OK 73734 | Oil & Gas Operator | May 2026 |
| 23971 | Redgate Petroleum Inc | Waynoka, OK 73860-9408 | Oil & Gas Operator | Mar 2014 |
| 23972 | Redhen Oil Company | Oklahoma City, OK 73135 | Oil & Gas Operator | Sep 2024 |
| 23973 | Redhill Operating LLC | Duncan, OK 73533 | Oil & Gas Operator | Apr 2026 |
| 23974 | Redhorn Resources, LLC | Magnolia, TX 77354 | Oil Operator | Jul 2026 |
| 23975 | Redland Development LLC | Cashion, OK 73016-9625 | Oil & Gas Operator | May 2019 |
| 23976 | Redland Resources LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | May 2026 |
| 23977 | Redline Energy LLC | Dover, OK 73734 | Oil & Gas Operator | May 2026 |
| 23978 | Redman E C /Redman Oil Co | Columbus, OH 43229 | Oil & Gas Operator | Dec 2002 |
| 23979 | Redman Operating Company | Houston, TX 77042 | Oil & Gas Operator | May 2008 |
| 23980 | Redman Operating Company LLC | Nocona, TX 76255 | Oil Operator | Jul 2026 |
| 23981 | Redmill Drilling | Kittanning, PA 16201-7123 | Oil & Gas Operator | Apr 2026 |
| 23982 | Redmon Oil Company, Inc., The | Plano, TX 75023 | Oil & Gas Operator | Jul 2026 |
| 23983 | Redneck Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Apr 2026 |
| 23984 | Rednet Exploration LLC | Nashport, OH 43830 | Oil Operator | Dec 2025 |
| 23985 | Redstone Gas Partners LLC | Denver, CO 80202 | Gas Operator | Mar 2001 |
| 23986 | Redstone Oil & G | | Oil Operator | Sep 1989 |
| 23987 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |
| 23988 | Redstone Operating, Inc. | Austin, TX 78734 | Oil & Gas Operator | Jan 2015 |
| 23989 | Redstone Resources Inc | Newcastle, WY 82701 | Gas Operator | Dec 2010 |
| 23990 | Redtail Investments LLC | Oklahoma City, OK 73179 | Oil & Gas Operator | May 2026 |
| 23991 | Redwine Oil Company | Throckmorton, TX 76483 | Oil & Gas Operator | Jul 2009 |
| 23992 | Redwine Resources Inc | Dallas, TX 75225 | Oil & Gas Operator | Feb 2015 |
| 23993 | Redwolf Production Inc | Farmington, NM 87499 | Oil & Gas Operator | Feb 2026 |
| 23994 | Redwood Energy Production, L.P. | San Francisco, CA 94104 | Gas Operator | Aug 2025 |
| 23995 | Redwood Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 1997 |
| 23996 | Redwood Oil & Gas | McKinney, TX 75070 | Oil & Gas Operator | Apr 2013 |
| 23997 | Redwood Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Dec 2023 |
| 23998 | Redwood Operating, Inc. | Houston, TX 77058 | Oil & Gas Operator | Jul 2026 |
| 23999 | Reed Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 24000 | Reed Gas Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |