| 24601 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Jun 2025 |
| 24602 | Research Enterprises, Inc. | | Oil Operator | Jan 1996 |
| 24603 | Research Exploration, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2018 |
| 24604 | Research Oil Company Inc | Norman, OK 73070-8776 | Oil & Gas Operator | Aug 2019 |
| 24605 | Reserve Acquisition Group | Tulsa, OK 74153 | Oil & Gas Operator | Dec 1993 |
| 24606 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2023 |
| 24607 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 24608 | Reserve Gas Company, Inc. | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 24609 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2025 |
| 24610 | Reserve Oil & Gas | | Oil & Gas Operator | Feb 1980 |
| 24611 | Reserve Oil & Gas Company | | Oil & Gas Operator | Jul 1981 |
| 24612 | Reserve Oil & Gas, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 24613 | Reserve Oil Inc. | | Oil & Gas Operator | Jan 1980 |
| 24614 | Reserve Operating Corp. | Houston, TX 77040 | Oil & Gas Operator | Jun 2025 |
| 24615 | Reserve Partners L.L.C. | | Oil & Gas Operator | Feb 2001 |
| 24616 | Reserve Petroleum California Inc. | | Oil & Gas Operator | Mar 2025 |
| 24617 | Reserve Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2008 |
| 24618 | Reservoir Research Corp | | Oil Operator | Dec 2009 |
| 24619 | Resetarits, David W. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 24620 | Resolute Natural Res. Co., LLC | Midland, TX 79706 | Oil & Gas Operator | Jun 2025 |
| 24621 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 24622 | Resolute Wyoming Inc | Denver, CO 80203 | Oil & Gas Operator | May 2018 |
| 24623 | Resolve Energy Corp | | Gas Operator | May 2009 |
| 24624 | Resonance Exploration (North Dakota) LLC | | Oil & Gas Operator | Apr 2025 |
| 24625 | Resource Acquisitions Corp. | | Oil & Gas Operator | Dec 2002 |
| 24626 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 24627 | Resource Dev Technology LLC | Morrison, CO 80465-5020 | Oil & Gas Operator | Jan 2017 |
| 24628 | Resource Development Technology LLC | Morrison, CO 80465 | Oil & Gas Operator | Oct 2020 |
| 24629 | Resource Development, Inc. | Stroud, OK 74079 | Oil & Gas Operator | Feb 2007 |
| 24630 | Resource Energy Can-Am LLC | | Oil & Gas Operator | May 2022 |
| 24631 | Resource Energy Technologies, LLC | | Oil & Gas Operator | Dec 2017 |
| 24632 | Resource Engineering | | Gas Operator | Nov 2024 |
| 24633 | Resource Enterprises Inc | Salt Lake City, UT 84108 | Gas Operator | Dec 1990 |
| 24634 | Resource Expl & Prod, Inc. | Salado, TX 76571 | Oil & Gas Operator | Jun 2025 |
| 24635 | Resource Management Company | Fredericksbrg, TX 78624 | Oil & Gas Operator | Feb 2015 |
| 24636 | Resource Oil And Gas, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2025 |
| 24637 | Resource Operating Company | Abilene, TX 79601 | Oil & Gas Operator | Jul 1997 |
| 24638 | Resource Operations, Inc. | Tulsa, OK 74157 | Oil & Gas Operator | May 2016 |
| 24639 | Resource Production Inc | Bridgeport, CT 06604 | Oil & Gas Operator | Dec 1993 |
| 24640 | Resource Rock Services, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2018 |
| 24641 | Resource Securities Corp. | | Oil & Gas Operator | Mar 2005 |
| 24642 | Resource Venture | | Oil & Gas Operator | Oct 1991 |
| 24643 | Resources & Investment Co. | Mandeville, LA 70448 | Oil Operator | Oct 2023 |
| 24644 | Resources America, Inc | | Oil Operator | Jan 1983 |
| 24645 | Resources Invest | | Oil & Gas Operator | Jun 1985 |
| 24646 | Resources Investment Corp | Denver, CO 80202 | Oil & Gas Operator | Sep 2018 |
| 24647 | Resources Operating Co Inc | Enid, OK 73703-1628 | Oil & Gas Operator | Mar 2025 |
| 24648 | Ress Production Co. | Farmington, NM 87499 | Oil & Gas Operator | Jun 2025 |
| 24649 | Ressler Well Service, Inc. | Burrton, KS 67020 | Oil & Gas Operator | Feb 2025 |
| 24650 | Restoration Energy LLC | Amarillo, TX 79124 | Oil & Gas Operator | Jun 2025 |
| 24651 | Restore Operating LLC | Andrews, TX 79714 | Oil & Gas Operator | Jun 2025 |
| 24652 | Ret Oil Inc | Del City, OK 73115 | Oil & Gas Operator | Jan 2007 |
| 24653 | Retama Oil Corporation | Uvalde, TX 78801 | Oil & Gas Operator | Jun 2025 |
| 24654 | Retamco Operating Inc | Red Lodge, MT 59068 | Oil & Gas Operator | Apr 2025 |
| 24655 | Retsal Drilling Co. | | Oil & Gas Operator | Jan 1984 |
| 24656 | Retsal Production Company | | Oil & Gas Operator | Mar 1986 |
| 24657 | Return Oil Corp | Oil City, PA 16301-0564 | Oil Operator | Dec 1992 |
| 24658 | Reubin Collins Dba RCJ Enterprises | Hobbs, NM 882416055 | Oil & Gas Operator | May 2009 |
| 24659 | Reunion Energy Company | Houston, TX 77056 | Oil & Gas Operator | May 1996 |
| 24660 | Reunion Resources, Inc. | | Oil & Gas Operator | Dec 2015 |
| 24661 | Reunion Titan, Inc. | | Oil & Gas Operator | Jan 2017 |
| 24662 | Reusch Well Service, Inc. | Ottawa, KS 66067 | Oil Operator | Jan 2025 |
| 24663 | Revard Oil And Gas Properties Inc | | Oil & Gas Operator | Mar 2025 |
| 24664 | Revard Petroleum, L.L.C. | Tulsa, OK 74170 | Oil & Gas Operator | Jun 2025 |
| 24665 | Reveille Resources | Houston, TX 77084 | Oil & Gas Operator | Apr 2011 |
| 24666 | Reveille Resources (Texas), Inc. | Houston, TX 77084 | Oil & Gas Operator | Jan 2013 |
| 24667 | Revel Oil & Gas, Inc. | | Oil & Gas Operator | Feb 2001 |
| 24668 | Revelation Gas & Oil Oklahoma LLC | Kansas City, KS 66103 | Oil & Gas Operator | Jul 2023 |
| 24669 | Revelation Oil & Gas LLC | Dumas, TX 79029 | Oil & Gas Operator | Jun 2025 |
| 24670 | Revelation Resources | Cypress, TX 77410-2578 | Oil & Gas Operator | Mar 2025 |
| 24671 | Revere Corporation | Fort Smith, AR 72902-0908 | Oil & Gas Operator | Feb 2015 |
| 24672 | Reverence Operating LLC | Odessa, TX 79768 | Oil & Gas Operator | Jun 2025 |
| 24673 | Revier Resources Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2005 |
| 24674 | Revier, J. B. Prod. Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Apr 1996 |
| 24675 | Review Oil & Gas Inc | Edmond, OK 73034-7648 | Oil & Gas Operator | Mar 2025 |
| 24676 | Revilo Exploration LLC | Edmond, OK 73034 | Oil & Gas Operator | Apr 2020 |
| 24677 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 24678 | Revitalize Resources Operating, Inc | Evansville, IN 47708 | Oil Operator | Dec 2023 |
| 24679 | Revocable Inter VIvos Trust Of Delapp Frankie L | Bartlesville, OK 74006-0307 | Oil & Gas Operator | Feb 2020 |
| 24680 | Revolution Operating Company,LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jul 2024 |
| 24681 | Revolution Resources LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2023 |
| 24682 | Rex Drummond | Conneaut, OH 44030-9678 | Oil & Gas Operator | Dec 2019 |
| 24683 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 24684 | Rex Energy Rockies LLC | State College, PA 16801 | Oil & Gas Operator | May 2013 |
| 24685 | Rex Oil, A Texas Partnership | Hondo, TX 78861 | Oil & Gas Operator | May 2003 |
| 24686 | Rexcom, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2025 |
| 24687 | Rexoco Incorpora | | Oil Operator | Apr 1992 |
| 24688 | Rey Oil & Gas, Inc | Oneida, TN 37841 | Oil Operator | Dec 2023 |
| 24689 | Reynolds Drill Coinc/Rosbottom | | Oil & Gas Operator | Jan 1990 |
| 24690 | Reynolds Drilling Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 24691 | Reynolds E & P, Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 24692 | Reynolds Exploration Co. | | Oil Operator | Dec 1986 |
| 24693 | Reynolds J W & Associates | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2000 |
| 24694 | Reynolds Mining Corp | | Oil & Gas Operator | Aug 1968 |
| 24695 | Reynolds Oil Co. | | Oil Operator | Nov 2005 |
| 24696 | Reynolds Res, Inc | Owensboro, KY 42303 | Oil & Gas Operator | Dec 2023 |
| 24697 | Reynolds, Dan Company | Camden, AR 71701 | Oil Operator | Jan 2025 |
| 24698 | Reynolds, E. P., Jr. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 24699 | Reynolds, J David Company | Camden, AR 71701 | Oil & Gas Operator | Dec 2024 |
| 24700 | Reynolds, J. C. & W. F. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2025 |