| 23901 | Reilly, K. L. | Huntsville, TX 77342 | Oil Operator | Dec 2004 |
| 23902 | Rein Pusher Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Jun 2026 |
| 23903 | Reinecke Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2018 |
| 23904 | Reinke Brad L | Chardon, OH 44024 | Oil & Gas Operator | Dec 2025 |
| 23905 | Reisdorf, Christine A. | North Java, NY 14113 | Gas Operator | Dec 2024 |
| 23906 | Reiss, Kenneth G. | Cuba, NY 14727 | Gas Operator | Dec 2024 |
| 23907 | Reita Oil Company | | Oil & Gas Operator | Jan 1987 |
| 23908 | Rejiss Assoc | Braddock, PA 15104-1948 | Oil & Gas Operator | Dec 2009 |
| 23909 | Rejiss Assoc Holdings LLC | Braddock, PA 15104-1948 | Gas Operator | Dec 2025 |
| 23910 | Relative Energy, Inc. | Lindsborg, KS 67456 | Oil Operator | Nov 2019 |
| 23911 | Relco Exploration Co., Inc. | | Gas Operator | Aug 1987 |
| 23912 | Reliable Oil Industries Inc | Tulsa, OK 74133 | Oil & Gas Operator | Jul 2024 |
| 23913 | Reliable Prod Service Inc. | | Oil Operator | Mar 2007 |
| 23914 | Reliable Production LLC | Farmington, NM 87401 | Oil & Gas Operator | Mar 2026 |
| 23915 | Reliance Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 23916 | Reliance Energy, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 23917 | Reliance Oil And Gas, Inc. | Austin, TX 78748 | Oil Operator | Jun 2012 |
| 23918 | Reliance Oil Corp | Charlottesville, VA 22906 | Oil & Gas Operator | Dec 1988 |
| 23919 | Reliance Oil, LLC | Gridley, KS 66852 | Oil Operator | Jan 2026 |
| 23920 | Reliance Operating Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 23921 | Reliance Petroleum Corporation | | Oil & Gas Operator | Oct 2018 |
| 23922 | Reliance Resources Inc | Houston, TX 77007 | Gas Operator | Jun 2012 |
| 23923 | Reliance TR-JV | | Gas Operator | Apr 1988 |
| 23924 | Reliance Trust | | Oil Operator | Dec 1960 |
| 23925 | Reliance Trusts | Dallas, TX 75244 | Oil & Gas Operator | Nov 1995 |
| 23926 | Reliance Trusts HS | | Gas Operator | Feb 1989 |
| 23927 | Reliance Well Service, Inc. | | Oil & Gas Operator | Apr 1997 |
| 23928 | Reliant Energy Field SVS Inc. | | Oil Operator | Sep 2002 |
| 23929 | Reliant Exploration And Production LLC | Midland, TX 79707 | Gas Operator | Mar 2015 |
| 23930 | Reliant Exploration, LTD. | Houston, TX 77060 | Oil & Gas Operator | Sep 2002 |
| 23931 | Reliford, Jimmy | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 23932 | Reliford, Jimmy DRLG Co | Columbia, KY 42728 | Oil & Gas Operator | Dec 2019 |
| 23933 | Relm Energy Inc | Morris, OK 74445-2227 | Oil & Gas Operator | Feb 2021 |
| 23934 | Relmm Corporation | | Oil & Gas Operator | May 1980 |
| 23935 | Remarkable Operating Co. | Pampa, TX 79065 | Gas Operator | Jul 2019 |
| 23936 | Remco Ener Corpo | | Oil & Gas Operator | Dec 1994 |
| 23937 | Remco Energy Corporation | Independence, MO 64055 | Oil & Gas Operator | Nov 2009 |
| 23938 | Remco Oil & Gas Production,Inc. | Rio Grande Ci, TX 78582 | Oil & Gas Operator | Nov 2021 |
| 23939 | Remington Capital Holdings Inc | North East, PA 16428-0026 | Oil & Gas Operator | Dec 2022 |
| 23940 | Remington Financ | | Oil Operator | Oct 1994 |
| 23941 | Remington Oil | South Bend, TX 76481 | Oil & Gas Operator | Mar 2008 |
| 23942 | Remington Oil And Gas Corporation | | Oil & Gas Operator | Sep 2009 |
| 23943 | Remnant Energy, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jun 2026 |
| 23944 | Remnant Group Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 2013 |
| 23945 | Remnant Oil Operating, LLC | Midland, TX 79704 | Oil & Gas Operator | Jul 2024 |
| 23946 | Remo Production Co | Stillwater, OK 74074-9333 | Oil Operator | Apr 2014 |
| 23947 | Remo, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2003 |
| 23948 | Remora Management, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Jun 2026 |
| 23949 | Remora Operating Ca LLC | | Oil & Gas Operator | Dec 2020 |
| 23950 | Remora Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 23951 | Remuda Energy Development LLC | Billings, MT 59104 | Oil & Gas Operator | Apr 2026 |
| 23952 | Remuda Oil & Gas Corp. | | Oil & Gas Operator | Aug 1987 |
| 23953 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Jun 2026 |
| 23954 | Renaissance Offshore, LLC | | Oil & Gas Operator | Mar 2023 |
| 23955 | Renaissance Petroleum Co LLC | Houston, TX 77058 | Oil & Gas Operator | Nov 2011 |
| 23956 | Renaissance Petroleum LLC | | Oil & Gas Operator | Feb 2026 |
| 23957 | Renaud Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 23958 | Rence Guy A | | Oil Operator | Jan 2013 |
| 23959 | Renco Energy Inc | Calgary, AB T2H 0H6 | Oil & Gas Operator | Mar 2026 |
| 23960 | Rendova Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2002 |
| 23961 | Reneau Oil Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jun 2026 |
| 23962 | Reneau, James R. | Shamrock, TX 79079 | Gas Operator | Oct 2001 |
| 23963 | Reneau, James Seed Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jun 2026 |
| 23964 | Reneau, Nelda York | Snyder, TX 79549 | Oil & Gas Operator | Jun 2026 |
| 23965 | Renegade Oil & Gas Company LLC | | Oil & Gas Operator | Feb 2026 |
| 23966 | Renegade Oil And Gas LLC | Helena, OK 73741-0162 | Oil & Gas Operator | Dec 2019 |
| 23967 | Renegade Operating Company | Aurora, CO 80016 | Oil & Gas Operator | Aug 2023 |
| 23968 | Renegade Operating Company, LLC | Abilene, TX 79608 | Oil Operator | Oct 2006 |
| 23969 | Renegade Resources Corp. | Reno, NV 89511 | Oil & Gas Operator | Jul 2024 |
| 23970 | Renfro, William B | | Oil Operator | Dec 2013 |
| 23971 | Renfroe Lyndol | Wilson, OK 73463-6631 | Oil Operator | May 2020 |
| 23972 | Renick Energy, L.C. | Cimarron, KS 67835 | Gas Operator | Apr 2016 |
| 23973 | Rennolds Resources LLC | West Farmington, OH 44491 | Oil & Gas Operator | Dec 2024 |
| 23974 | Reno Resources Inc | Boynton, OK 74422-9762 | Oil & Gas Operator | May 2015 |
| 23975 | Renold, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 23976 | Renor Exploration | Englewood, CO 80111 | Oil Operator | Feb 2001 |
| 23977 | Renos Land & Minerals Company | Casper, WY 82601 | Oil & Gas Operator | Oct 2021 |
| 23978 | Rensark Energy Company Inc | Oklahoma City, OK 73105-5208 | Oil & Gas Operator | Apr 2015 |
| 23979 | Rensma Steven E | Titusville, PA 16354-5304 | Oil Operator | Dec 1993 |
| 23980 | Rent A Home Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 23981 | Rental & Fishing Tools, Inc. | | Oil Operator | Dec 2024 |
| 23982 | Renuergy LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 23983 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Jun 2026 |
| 23984 | Reo Resources Inc | | Oil & Gas Operator | Apr 2018 |
| 23985 | Reostar Operating Incorporated | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2012 |
| 23986 | Replay Energy Assets LLC | Oklahoma City, OK 73156 | Oil & Gas Operator | Feb 2026 |
| 23987 | Replay Resources LLC | Ada, OK 74820-6512 | Oil Operator | Nov 2022 |
| 23988 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2026 |
| 23989 | Republic Energy Inc. | Decatur, TX 76234 | Oil & Gas Operator | Dec 2016 |
| 23990 | Republic Energy Operating, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jan 2016 |
| 23991 | Republic Energy Resources,Inc. | | Oil Operator | May 1991 |
| 23992 | Republic Exploration, LLC | Bowling Green, KY 42104 | Oil Operator | Dec 2011 |
| 23993 | Republic Gas Gathering Sys Inc | | Oil & Gas Operator | Nov 1981 |
| 23994 | Republic Mineral Corporation | | Oil & Gas Operator | Sep 1987 |
| 23995 | Republic Petroleum Corp. | | Oil & Gas Operator | Nov 1977 |
| 23996 | Republic Prod.Co.Of Tex., Inc | | Oil & Gas Operator | Jun 1981 |
| 23997 | Republic Resources Corporation | Oklahoma City, OK 73102-3081 | Oil & Gas Operator | May 2021 |
| 23998 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Jun 2026 |
| 23999 | Res-Tech Inc. | | Oil & Gas Operator | Mar 2026 |
| 24000 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |