| 24001 | Relm Energy Inc | Morris, OK 74445-2227 | Oil & Gas Operator | Feb 2021 |
| 24002 | Relmm Corporation | | Oil & Gas Operator | May 1980 |
| 24003 | Remarkable Operating Co. | Pampa, TX 79065 | Gas Operator | Jul 2019 |
| 24004 | Remco Ener Corpo | | Oil & Gas Operator | Dec 1994 |
| 24005 | Remco Energy Corporation | Independence, MO 64055 | Oil & Gas Operator | Nov 2009 |
| 24006 | Remco Oil & Gas Production,Inc. | Rio Grande Ci, TX 78582 | Oil & Gas Operator | Nov 2021 |
| 24007 | Remington Capital Holdings Inc | North East, PA 16428-0026 | Oil & Gas Operator | Dec 2022 |
| 24008 | Remington Financ | | Oil Operator | Oct 1994 |
| 24009 | Remington Oil | South Bend, TX 76481 | Oil & Gas Operator | Mar 2008 |
| 24010 | Remington Oil And Gas Corporation | | Oil & Gas Operator | Sep 2009 |
| 24011 | Remnant Energy, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 24012 | Remnant Group Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 2013 |
| 24013 | Remnant Oil Operating, LLC | Midland, TX 79704 | Oil & Gas Operator | Jul 2024 |
| 24014 | Remo Production Co | Stillwater, OK 74074-9333 | Oil Operator | Apr 2014 |
| 24015 | Remo, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2003 |
| 24016 | Remora Management, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Apr 2026 |
| 24017 | Remora Operating Ca LLC | | Oil & Gas Operator | Dec 2020 |
| 24018 | Remora Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 24019 | Remuda Energy Development LLC | Billings, MT 59104 | Oil & Gas Operator | Feb 2026 |
| 24020 | Remuda Oil & Gas Corp. | | Oil & Gas Operator | Aug 1987 |
| 24021 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Apr 2026 |
| 24022 | Renaissance Offshore, LLC | | Oil & Gas Operator | Mar 2023 |
| 24023 | Renaissance Petroleum Co LLC | Houston, TX 77058 | Oil & Gas Operator | Nov 2011 |
| 24024 | Renaissance Petroleum LLC | | Oil & Gas Operator | Dec 2025 |
| 24025 | Renaud Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 24026 | Rence Guy A | | Oil Operator | Jan 2013 |
| 24027 | Renco Energy Inc | Calgary, AB T2H 0H6 | Oil & Gas Operator | Feb 2025 |
| 24028 | Rendova Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2002 |
| 24029 | Reneau Oil Co. | Shamrock, TX 79079 | Oil & Gas Operator | Apr 2026 |
| 24030 | Reneau, James R. | Shamrock, TX 79079 | Gas Operator | Oct 2001 |
| 24031 | Reneau, James Seed Co. | Shamrock, TX 79079 | Oil & Gas Operator | Apr 2026 |
| 24032 | Reneau, Nelda York | Snyder, TX 79549 | Oil & Gas Operator | Apr 2026 |
| 24033 | Renegade Oil & Gas Company LLC | | Oil & Gas Operator | Jan 2026 |
| 24034 | Renegade Oil And Gas LLC | Helena, OK 73741-0162 | Oil & Gas Operator | Dec 2019 |
| 24035 | Renegade Operating Company | Aurora, CO 80016 | Oil & Gas Operator | Aug 2023 |
| 24036 | Renegade Operating Company, LLC | Abilene, TX 79608 | Oil Operator | Oct 2006 |
| 24037 | Renegade Resources Corp. | Reno, NV 89511 | Oil & Gas Operator | Jul 2024 |
| 24038 | Renfro, William B | | Oil Operator | Dec 2013 |
| 24039 | Renfroe Lyndol | Wilson, OK 73463-6631 | Oil Operator | May 2020 |
| 24040 | Renick Energy, L.C. | Cimarron, KS 67835 | Gas Operator | Apr 2016 |
| 24041 | Rennolds Resources LLC | West Farmington, OH 44491 | Oil & Gas Operator | Dec 2024 |
| 24042 | Reno Resources Inc | Boynton, OK 74422-9762 | Oil & Gas Operator | May 2015 |
| 24043 | Renold, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 24044 | Renor Exploration | Englewood, CO 80111 | Oil Operator | Feb 2001 |
| 24045 | Renos Land & Minerals Company | Casper, WY 82601 | Oil & Gas Operator | Oct 2021 |
| 24046 | Rensark Energy Company Inc | Oklahoma City, OK 73105-5208 | Oil & Gas Operator | Apr 2015 |
| 24047 | Rensma Steven E | Titusville, PA 16354-5304 | Oil Operator | Dec 1993 |
| 24048 | Rent A Home Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 24049 | Rental & Fishing Tools, Inc. | | Oil Operator | Dec 2024 |
| 24050 | Renuergy LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 24051 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Apr 2026 |
| 24052 | Reo Resources Inc | | Oil & Gas Operator | Apr 2018 |
| 24053 | Reostar Operating Incorporated | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2012 |
| 24054 | Replay Energy Assets LLC | Oklahoma City, OK 73156 | Oil & Gas Operator | Feb 2026 |
| 24055 | Replay Resources LLC | Ada, OK 74820-6512 | Oil Operator | Nov 2022 |
| 24056 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2026 |
| 24057 | Republic Energy Inc. | Decatur, TX 76234 | Oil & Gas Operator | Dec 2016 |
| 24058 | Republic Energy Operating, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jan 2016 |
| 24059 | Republic Energy Resources,Inc. | | Oil Operator | May 1991 |
| 24060 | Republic Exploration, LLC | Bowling Green, KY 42104 | Oil Operator | Dec 2011 |
| 24061 | Republic Gas Gathering Sys Inc | | Oil & Gas Operator | Nov 1981 |
| 24062 | Republic Mineral Corporation | | Oil & Gas Operator | Sep 1987 |
| 24063 | Republic Petroleum Corp. | | Oil & Gas Operator | Nov 1977 |
| 24064 | Republic Prod.Co.Of Tex., Inc | | Oil & Gas Operator | Jun 1981 |
| 24065 | Republic Resources Corporation | Oklahoma City, OK 73102-3081 | Oil & Gas Operator | May 2021 |
| 24066 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Apr 2026 |
| 24067 | Res-Tech Inc. | | Oil & Gas Operator | Dec 2025 |
| 24068 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |
| 24069 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 24070 | Research Enterprises, Inc. | | Oil Operator | Jan 1996 |
| 24071 | Research Exploration, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2018 |
| 24072 | Research Oil Company Inc | Norman, OK 73070-8776 | Oil & Gas Operator | Aug 2019 |
| 24073 | Reserve Acquisition Group | Tulsa, OK 74153 | Oil & Gas Operator | Dec 1993 |
| 24074 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 24075 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 24076 | Reserve Gas Company, Inc. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 24077 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Apr 2026 |
| 24078 | Reserve Oil & Gas | | Oil & Gas Operator | Feb 1980 |
| 24079 | Reserve Oil & Gas Company | | Oil & Gas Operator | Jul 1981 |
| 24080 | Reserve Oil & Gas, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 24081 | Reserve Oil Inc. | | Oil & Gas Operator | Jan 1980 |
| 24082 | Reserve Operating Corp. | Houston, TX 77040 | Oil & Gas Operator | Apr 2026 |
| 24083 | Reserve Partners L.L.C. | | Oil & Gas Operator | Feb 2001 |
| 24084 | Reserve Petroleum California Inc. | | Oil & Gas Operator | Dec 2025 |
| 24085 | Reserve Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2008 |
| 24086 | Reservoir Research Corp | | Oil Operator | Dec 2009 |
| 24087 | Resetarits, David W. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 24088 | Residual Flow Operating, LLC | | Oil Operator | Apr 2026 |
| 24089 | Resolute Natural Res. Co., LLC | Midland, TX 79706 | Oil & Gas Operator | Apr 2026 |
| 24090 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 24091 | Resolute Wyoming Inc | Denver, CO 80203 | Oil & Gas Operator | May 2018 |
| 24092 | Resolve Energy Corp | | Gas Operator | May 2009 |
| 24093 | Resonance Exploration (North Dakota) LLC | | Oil & Gas Operator | Mar 2026 |
| 24094 | Resource Acquisitions Corp. | | Oil & Gas Operator | Dec 2002 |
| 24095 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 24096 | Resource Dev Technology LLC | Morrison, CO 80465-5020 | Oil & Gas Operator | Jan 2017 |
| 24097 | Resource Development Inc | Stroud, OK 74079 | Oil & Gas Operator | Feb 2007 |
| 24098 | Resource Development Technology, LLC | Morrison, CO 80465 | Oil & Gas Operator | Oct 2020 |
| 24099 | Resource Energy Can-Am LLC | | Oil & Gas Operator | May 2022 |
| 24100 | Resource Energy Technologies, LLC | | Oil & Gas Operator | Dec 2017 |