| 23801 | R & R Oil Company | Pampa, TX 79065 | Oil & Gas Operator | Jul 2002 |
| 23802 | R & R Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2004 |
| 23803 | R & R Partners | | Oil Operator | Oct 2009 |
| 23804 | R & R Production Company | | Oil Operator | Feb 2000 |
| 23805 | R & R Production, Inc. | | Oil & Gas Operator | Feb 1990 |
| 23806 | R & R Well Service | Fort Worth, TX 76120 | Oil & Gas Operator | Jan 2005 |
| 23807 | R & R Well Service, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Jun 2025 |
| 23808 | R & S Energy Company | Luling, TX 78648 | Oil & Gas Operator | Dec 2010 |
| 23809 | R & S Energy, Inc. | Snook, TX 77878 | Oil & Gas Operator | Jun 2025 |
| 23810 | R & S Exploration & Production | Lawton, OK 73501 | Oil Operator | Jan 1996 |
| 23811 | R & S Investments | Tulsa, OK 74146-4743 | Oil Operator | Aug 2013 |
| 23812 | R & S Oil Company | Tonkawa, OK 74653 | Oil & Gas Operator | Nov 2013 |
| 23813 | R & S Oil Production Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2025 |
| 23814 | R & S Operating | Perry, OK 73077 | Oil & Gas Operator | Jan 2013 |
| 23815 | R & W Energies - | | Oil Operator | Sep 1995 |
| 23816 | R & W Energies LLC | Eureka, KS 67045 | Oil Operator | Feb 2025 |
| 23817 | R & W Energies-Agency Account | | Oil Operator | Jan 1996 |
| 23818 | R & W Patrick | | Oil & Gas Operator | Oct 2008 |
| 23819 | R A Miller Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2020 |
| 23820 | R A Nobile | | Oil & Gas Operator | Nov 1989 |
| 23821 | R And B Energy Co LLC | | Oil Operator | Dec 2011 |
| 23822 | R And B Oil And Gas Associates LLC | Wayne, WV 25570 | Oil & Gas Operator | Dec 2021 |
| 23823 | R B Energy, Inc | Manchester, KY 40962 | Oil & Gas Operator | Jan 2015 |
| 23824 | R B Robertson & Son Gas & Oil Co LP | New Bethlehem, PA 16242-0190 | Oil & Gas Operator | Dec 2024 |
| 23825 | R Baker Oil LLC | Okemah, OK 74859 | Oil & Gas Operator | Mar 2025 |
| 23826 | R C Bennett Co | Midland, TX 79702 | Oil & Gas Operator | Jan 2019 |
| 23827 | R C Henderson Jr | | Oil Operator | Dec 1990 |
| 23828 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Apr 2017 |
| 23829 | R C Oil Company Inc | Nowata, OK 74048-3402 | Oil Operator | Nov 2021 |
| 23830 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 23831 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2025 |
| 23832 | R Cubed L L C | | Oil & Gas Operator | Dec 2023 |
| 23833 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 23834 | R D V, Inc. | | Oil Operator | May 2004 |
| 23835 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Mar 2025 |
| 23836 | R E C Tulsa Corporation | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2014 |
| 23837 | R E Gas Development LLC | State College, PA 16801 | Oil & Gas Operator | Sep 2018 |
| 23838 | R E Riley & Company | Charleston, WV 25301 | Gas Operator | Dec 2023 |
| 23839 | R E Sitta Jr | Farmington, NM 874991230 | Oil & Gas Operator | Aug 2011 |
| 23840 | R F Oil | | Oil & Gas Operator | Oct 1992 |
| 23841 | R H Energy Co Inc | | Oil & Gas Operator | Sep 1989 |
| 23842 | R H Penick Co LTD | Heath, OH 43056 | Oil & Gas Operator | Dec 2023 |
| 23843 | R H Penick Operating | Heath, OH 43056 | Gas Operator | Dec 2023 |
| 23844 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 23845 | R Harris Gas & Oil Inc | Apollo, PA 15613-9636 | Oil & Gas Operator | Dec 2024 |
| 23846 | R I G Drilling Inc | Fredericktown, OH 43019 | Oil & Gas Operator | Dec 1993 |
| 23847 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 23848 | R J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 23849 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | Apr 2025 |
| 23850 | R J Operating Company | Albany, TX 76430 | Oil & Gas Operator | Feb 2025 |
| 23851 | R Joseph & Shelby J Maney | Warren, PA 16365-3670 | Oil & Gas Operator | Dec 2024 |
| 23852 | R K Petroleum Corp. | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 23853 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 23854 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Apr 2025 |
| 23855 | R L Kelly, SR. | | Oil Operator | Feb 2009 |
| 23856 | R L Operating Co LLC | | Oil Operator | Aug 2024 |
| 23857 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Apr 2025 |
| 23858 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 23859 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 23860 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 23861 | R R Operation Inc | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2004 |
| 23862 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 23863 | R S E Partners-I LP | Oklahoma City, OK 731025261 | Oil & Gas Operator | Feb 2000 |
| 23864 | R S V Co, Inc | Pikeville, KY 41501 | Gas Operator | Dec 2021 |
| 23865 | R W Operating | Graford, TX 76449 | Oil & Gas Operator | Dec 2016 |
| 23866 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 23867 | R W Ranch | San Antonio, TX 78211 | Oil Operator | Jun 2025 |
| 23868 | R Wolfe Oil & Gas LLC | Athens, OH 45701 | Oil & Gas Operator | Dec 2023 |
| 23869 | R&D Enterprises- | | Oil Operator | Dec 1988 |
| 23870 | R&F Operating Company | Carthage, TX 75633 | Oil Operator | Jun 2025 |
| 23871 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Jun 2025 |
| 23872 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Mar 2025 |
| 23873 | R&R Resources Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 23874 | R&R Resources LLC | | Oil & Gas Operator | Mar 2025 |
| 23875 | R-A-R Interests | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2003 |
| 23876 | R-Jann-N Oil | | Oil Operator | Dec 1999 |
| 23877 | R. & F. Land Company | | Oil & Gas Operator | Jan 2000 |
| 23878 | R. & R. Exploration, Inc. | Denton, TX 76202 | Oil Operator | Nov 1993 |
| 23879 | R. A. Bridges | | Oil Operator | Jun 1991 |
| 23880 | R. A. Campbell Company | | Oil & Gas Operator | Nov 1995 |
| 23881 | R. B. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Nov 1996 |
| 23882 | R. C. Production | | Oil & Gas Operator | Nov 2024 |
| 23883 | R. D. Briscoe, Inc. | | Oil & Gas Operator | Nov 2024 |
| 23884 | R. D. Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2025 |
| 23885 | R. D. Finnesy Oil | | Oil Operator | Nov 2019 |
| 23886 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 23887 | R. E. Hibbert Operator | | Gas Operator | Dec 1984 |
| 23888 | R. E. Markham | | Oil & Gas Operator | Mar 1995 |
| 23889 | R. E. Markham Et Al | | Gas Operator | Jun 1996 |
| 23890 | R. H. Davis | | Oil Operator | Apr 2001 |
| 23891 | R. I. P. Operating | | Oil Operator | Oct 1986 |
| 23892 | R. J. Bellevue | | Oil & Gas Operator | Mar 2025 |
| 23893 | R. J. Davenport | | Oil Operator | May 1985 |
| 23894 | R. J. Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Nov 2024 |
| 23895 | R. K. G. Engineering, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jun 2025 |
| 23896 | R. L. Burns Corp. | | Oil & Gas Operator | Feb 1982 |
| 23897 | R. L. Davis | | Oil Operator | Dec 2024 |
| 23898 | R. L. Dempsey | | Oil Operator | Jun 1985 |
| 23899 | R. Lacy Services, LTD. | Longview, TX 75606 | Oil & Gas Operator | Jun 2025 |
| 23900 | R. M. Hobbs | | Oil Operator | Sep 2000 |