| 25301 | Reliford, Jimmy DRLG Co | Columbia, KY 42728 | Oil & Gas Operator | Dec 2019 |
| 25302 | Reliford, Judy | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 25303 | Relm Energy Inc | Morris, OK 74445-2227 | Oil & Gas Operator | Feb 2021 |
| 25304 | Relmm Corporation | | Oil & Gas Operator | May 1980 |
| 25305 | Relmm CSC/Imc | | Oil & Gas Operator | Apr 1977 |
| 25306 | Remarkable Operating Co. | Pampa, TX 79065 | Gas Operator | Jul 2019 |
| 25307 | Remco Ener Corpo | | Oil & Gas Operator | Dec 1994 |
| 25308 | Remco Energy Corporation | Independence, MO 64055 | Oil & Gas Operator | Nov 2009 |
| 25309 | Remco Oil & Gas Production,Inc. | Rio Grande Ci, TX 78582 | Oil & Gas Operator | Nov 2021 |
| 25310 | Remington Capital Holdings Inc | North East, PA 16428-0026 | Oil & Gas Operator | Dec 2022 |
| 25311 | Remington Financ | | Oil Operator | Oct 1994 |
| 25312 | Remington Oil | South Bend, TX 76481 | Oil & Gas Operator | Mar 2008 |
| 25313 | Remington Oil And Gas Corporation | | Oil & Gas Operator | Sep 2009 |
| 25314 | Remnant Energy, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 25315 | Remnant Group Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 2013 |
| 25316 | Remnant Oil Operating, LLC | Midland, TX 79704 | Oil & Gas Operator | Jul 2024 |
| 25317 | Remo Production Co | Stillwater, OK 74074-9333 | Oil Operator | Apr 2014 |
| 25318 | Remo, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2003 |
| 25319 | Remora Management, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Feb 2026 |
| 25320 | Remora Operating Ca LLC | | Oil & Gas Operator | Dec 2020 |
| 25321 | Remora Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 25322 | Remuda Energy Development LLC | Billings, MT 59104 | Oil & Gas Operator | Dec 2025 |
| 25323 | Remuda Oil & Gas Corp. | | Oil & Gas Operator | Aug 1987 |
| 25324 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Feb 2026 |
| 25325 | Renaissance Offshore, LLC | | Oil & Gas Operator | Mar 2023 |
| 25326 | Renaissance Petroleum Co LLC | Houston, TX 77058 | Oil & Gas Operator | Nov 2011 |
| 25327 | Renaissance Petroleum LLC | | Oil & Gas Operator | Nov 2025 |
| 25328 | Renaud Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 25329 | Rence Guy A | | Oil Operator | Jan 2013 |
| 25330 | Renco Energy Inc | Calgary, AB T2H 0H6 | Oil & Gas Operator | Feb 2025 |
| 25331 | Rendova Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2002 |
| 25332 | Reneau Oil Co. | Shamrock, TX 79079 | Oil & Gas Operator | Feb 2026 |
| 25333 | Reneau, James R. | Shamrock, TX 79079 | Gas Operator | Oct 2001 |
| 25334 | Reneau, James Seed Co. | Shamrock, TX 79079 | Oil & Gas Operator | Feb 2026 |
| 25335 | Reneau, Nelda York | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 25336 | Renegade Oil & Gas Company LLC | | Oil & Gas Operator | Dec 2025 |
| 25337 | Renegade Oil And Gas LLC | Helena, OK 73741-0162 | Oil & Gas Operator | Dec 2019 |
| 25338 | Renegade Operating Company | Aurora, CO 80016 | Oil & Gas Operator | Aug 2023 |
| 25339 | Renegade Operating Company, LLC | Abilene, TX 79608 | Oil Operator | Oct 2006 |
| 25340 | Renegade Resources Corp. | Reno, NV 89511 | Oil & Gas Operator | Jul 2024 |
| 25341 | Renfro, William B | | Oil Operator | Dec 2013 |
| 25342 | Renfroe Lyndol | Wilson, OK 73463-6631 | Oil Operator | May 2020 |
| 25343 | Renick Energy, L.C. | Cimarron, KS 67835 | Gas Operator | Apr 2016 |
| 25344 | Rennolds Resources LLC | West Farmington, OH 44491 | Oil & Gas Operator | Dec 2024 |
| 25345 | Reno Oil & Gas LLC | Reno, OH 45773 | Oil & Gas Operator | Dec 2024 |
| 25346 | Reno Resources Inc | Boynton, OK 74422-9762 | Oil & Gas Operator | May 2015 |
| 25347 | Renold, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 25348 | Renor Exploration | Englewood, CO 80111 | Oil Operator | Feb 2001 |
| 25349 | Renos Land & Minerals Company | Casper, WY 82601 | Oil & Gas Operator | Oct 2021 |
| 25350 | Rensark Energy Company Inc | Oklahoma City, OK 73105-5208 | Oil & Gas Operator | Apr 2015 |
| 25351 | Rensma Steven E | Titusville, PA 16354-5304 | Oil Operator | Dec 1993 |
| 25352 | Rent A Home Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 25353 | Rental & Fishing Tools, Inc. | | Oil Operator | Dec 2024 |
| 25354 | Renthol Oil LLC | Iowa Park, TX 76367-8101 | Oil & Gas Operator | Mar 2018 |
| 25355 | Renuergy LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 25356 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Feb 2026 |
| 25357 | Reo Resources Inc | | Oil & Gas Operator | Apr 2018 |
| 25358 | Reostar Operating Incorporated | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2012 |
| 25359 | Replay Energy Assets LLC | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2025 |
| 25360 | Replay Resources LLC | Ada, OK 74820-6512 | Oil Operator | Nov 2022 |
| 25361 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 25362 | Republic Energy Inc. | Decatur, TX 76234 | Oil & Gas Operator | Dec 2016 |
| 25363 | Republic Energy Operating, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jan 2016 |
| 25364 | Republic Energy Resources,Inc. | | Oil Operator | May 1991 |
| 25365 | Republic Exploration, LLC | Bowling Green, KY 42104 | Oil Operator | Dec 2011 |
| 25366 | Republic Gas Gathering Sys Inc | | Oil & Gas Operator | Nov 1981 |
| 25367 | Republic Mineral Corporation | | Oil & Gas Operator | Sep 1987 |
| 25368 | Republic Petroleum Corp. | | Oil & Gas Operator | Nov 1977 |
| 25369 | Republic Prod.Co.Of Tex., Inc | | Oil & Gas Operator | Jun 1981 |
| 25370 | Republic Resources Corporation | Oklahoma City, OK 73102-3081 | Oil & Gas Operator | May 2021 |
| 25371 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Feb 2026 |
| 25372 | Res-Tech Inc. | | Oil & Gas Operator | Nov 2025 |
| 25373 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |
| 25374 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 25375 | Resco Enterprises Inc | Sapulpa, OK 74067-1106 | Oil & Gas Operator | May 2013 |
| 25376 | Research Enterprises, Inc. | | Oil Operator | Jan 1996 |
| 25377 | Research Exploration, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2018 |
| 25378 | Research Oil Company Inc | Norman, OK 73070-8776 | Oil & Gas Operator | Aug 2019 |
| 25379 | Reserve Acquisition Group | Tulsa, OK 74153 | Oil & Gas Operator | Dec 1993 |
| 25380 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 25381 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 25382 | Reserve Gas Company, Inc. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 25383 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 25384 | Reserve Oil & Gas | | Oil & Gas Operator | Feb 1980 |
| 25385 | Reserve Oil & Gas Company | | Oil & Gas Operator | Jul 1981 |
| 25386 | Reserve Oil & Gas, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 25387 | Reserve Oil Inc. | | Oil & Gas Operator | Jan 1980 |
| 25388 | Reserve Operating Corp. | Houston, TX 77040 | Oil & Gas Operator | Feb 2026 |
| 25389 | Reserve Partners L.L.C. | | Oil & Gas Operator | Feb 2001 |
| 25390 | Reserve Petroleum California Inc. | | Oil & Gas Operator | Nov 2025 |
| 25391 | Reserve Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2008 |
| 25392 | Reservoir Research Corp | | Oil Operator | Dec 2009 |
| 25393 | Resetarits, David W. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 25394 | Residual Flow Operating, LLC | | Oil Operator | Feb 2026 |
| 25395 | Resolute Natural Res. Co., LLC | Midland, TX 79706 | Oil & Gas Operator | Feb 2026 |
| 25396 | Resolute Natural Resources Company, LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 25397 | Resolute Wyoming Inc | Denver, CO 80203 | Oil & Gas Operator | May 2018 |
| 25398 | Resolve Energy Corp | | Gas Operator | May 2009 |
| 25399 | Resonance Exploration (North Dakota) LLC | | Oil & Gas Operator | Jan 2026 |
| 25400 | Resource Acquisitions Corp. | | Oil & Gas Operator | Dec 2002 |