| 4801 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2026 |
| 4802 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 4803 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Jan 2026 |
| 4804 | R E C Tulsa Corporation | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2014 |
| 4805 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 4806 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 4807 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | Dec 2025 |
| 4808 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 4809 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Jan 2026 |
| 4810 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Dec 2025 |
| 4811 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 4812 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 4813 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 4814 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 4815 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Mar 2026 |
| 4816 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Jan 2026 |
| 4817 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Mar 2026 |
| 4818 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2026 |
| 4819 | R3 Resources Operating Corporation | Denver, CO 80222 | Oil & Gas Operator | Dec 2025 |
| 4820 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 4821 | Ra-Jac LLC | Norman, OK 73072 | Oil & Gas Operator | Jan 2026 |
| 4822 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 4823 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Dec 2025 |
| 4824 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Nov 2025 |
| 4825 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 4826 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Dec 2025 |
| 4827 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 4828 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 4829 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Dec 2025 |
| 4830 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 4831 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 4832 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 4833 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 4834 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 4835 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 4836 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 4837 | Rains & Williamson Oil Co Inc | Wichita, KS 67277 | Oil & Gas Operator | Sep 2025 |
| 4838 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 4839 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 4840 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 4841 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Mar 2026 |
| 4842 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Dec 2025 |
| 4843 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 4844 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 4845 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Dec 2025 |
| 4846 | Ram Oil & Gas | Blackwell, OK 74631 | Oil & Gas Operator | May 2013 |
| 4847 | Rama Operating Company Inc | Stafford, KS 67578 | Oil & Gas Operator | Jan 2026 |
| 4848 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |
| 4849 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 4850 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 4851 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 4852 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 4853 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Nov 2025 |
| 4854 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 4855 | Ramey Wayne | Mounds, OK 74047 | Oil & Gas Operator | Oct 2025 |
| 4856 | Ramhead Petroleum Inc | Seminole, OK 74818-0848 | Oil & Gas Operator | Aug 2008 |
| 4857 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 4858 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 4859 | Ramsey George H Estate | Ardmore, OK 73401-3644 | Oil & Gas Operator | Nov 2013 |
| 4860 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Jan 2026 |
| 4861 | Ramsey Property Management LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Dec 2025 |
| 4862 | Ramsey Property MGMT Inc | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2019 |
| 4863 | Ranch Creek Exploration LLC | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2025 |
| 4864 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Feb 2026 |
| 4865 | Randall E James Oil Company | Guthrie, OK 73044-9352 | Oil & Gas Operator | Dec 2025 |
| 4866 | Randy And Jan Walker Oil Company LLC | Konawa, OK 74849-9333 | Oil & Gas Operator | Jan 2026 |
| 4867 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2025 |
| 4868 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4869 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 4870 | Ranger Drilling LLC | Chicago, IL 60605-1041 | Oil & Gas Operator | Feb 2004 |
| 4871 | Ranger Systems Inc | Tulsa, OK 74145 | Oil Operator | Feb 2020 |
| 4872 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 4873 | Raper Brice Oil Company LLC | Yale, OK 74085-6865 | Oil & Gas Operator | Apr 2015 |
| 4874 | Rapp Oil & Gas | Oklahoma City, OK 73120 | Gas Operator | Jul 2020 |
| 4875 | Rar Properties LLC | Duncan, OK 73533 | Oil Operator | Dec 2025 |
| 4876 | Rasmussen, Hal J. Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2009 |
| 4877 | Ratex Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2000 |
| 4878 | Ratliff City Trucking Inc | Ratliff City, OK 73481-9603 | Oil & Gas Operator | Feb 2018 |
| 4879 | Ratliff Operating Corp. | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2026 |
| 4880 | Ratts, Robert V. Inc. | Bedford, TX 76021 | Oil & Gas Operator | Aug 2003 |
| 4881 | Raven Resources LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Dec 2025 |
| 4882 | Ravil Inc | Edmond, OK 73013 | Gas Operator | Nov 1998 |
| 4883 | Raw Crude Oil & Gas, L.L.C. | Norman, OK 73069 | Oil & Gas Operator | Dec 2025 |
| 4884 | Raw Production LLC | Lindsay, OK 73052 | Oil & Gas Operator | Dec 2025 |
| 4885 | Rawhide Oil Company | | Oil & Gas Operator | Sep 2011 |
| 4886 | Rawhide Operating, Inc. | New Braunfels, TX 78131 | Oil & Gas Operator | Mar 2026 |
| 4887 | Ray G H Oil Company | Chickasha, OK 73023-0650 | Oil Operator | Feb 2010 |
| 4888 | Ray Herman | Haskell, OK 74436-0446 | Oil & Gas Operator | Dec 2021 |
| 4889 | Ray Joe T | Wanette, OK 74878 | Oil Operator | Dec 2025 |
| 4890 | Ray Randy S | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Apr 2015 |
| 4891 | Ray Roger T | Boynton, OK 74422 | Oil & Gas Operator | Dec 2021 |
| 4892 | Ray'S Oil Company | Boynton, OK 74422 | Oil & Gas Operator | Dec 2025 |
| 4893 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2026 |
| 4894 | Raydon Production Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 1992 |
| 4895 | Raye Oil Company | Velma, OK 73491-0482 | Oil & Gas Operator | Oct 2012 |
| 4896 | Rayland Operating LLC | Moro, IL 62067 | Oil Operator | Jun 2023 |
| 4897 | RB Operating Company | Shawnee, OK 74802-1488 | Oil & Gas Operator | Apr 2015 |
| 4898 | RBC Exploration Company | Tulsa, OK 74114 | Oil & Gas Operator | May 2013 |
| 4899 | RCK Oil And Gas LLC | Denton, TX 76207 | Oil & Gas Operator | Jan 2026 |
| 4900 | RDH Enterprises Inc | El Reno, OK 73036 | Oil & Gas Operator | May 2015 |