| 4801 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2025 |
| 4802 | Quarles Drilling Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2008 |
| 4803 | Quatro Oil And Gas, Inc. | Joshua, TX 76058 | Oil & Gas Operator | Dec 2025 |
| 4804 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 4805 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 4806 | Quest Property Inc | Yukon, OK 73099 | Oil & Gas Operator | Jul 2025 |
| 4807 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Dec 2025 |
| 4808 | Questa Oil & Gas Co. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 4809 | Questar Explor & Prod Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2017 |
| 4810 | Quick Draw Tank Trucks Inc | Lamont, OK 74643-0158 | Oil Operator | Oct 1997 |
| 4811 | Quinn Energy Corp | MT Vernon, IN 47620 | Oil & Gas Operator | Oct 1999 |
| 4812 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Sep 2025 |
| 4813 | Quintana Pet Okla Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 1998 |
| 4814 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 4815 | Quorum Lease Bank | Dallas, TX 75240 | Oil Operator | Jun 1996 |
| 4816 | R & A Moore, Inc. | Cleburne, TX 76033 | Oil & Gas Operator | Dec 2025 |
| 4817 | R & B Oil & Gas Inc | Attica, KS 67009 | Oil & Gas Operator | Sep 2025 |
| 4818 | R & B Operating LLC | Boynton, OK 74422 | Oil & Gas Operator | Mar 2025 |
| 4819 | R & B Trucking | Crescent, OK 73028-0775 | Oil & Gas Operator | Nov 2021 |
| 4820 | R & C Oil And Gas Inc | Ada, OK 74820-3150 | Oil Operator | Jul 2016 |
| 4821 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 4822 | R & D Reclaiming LLC | | Oil Operator | Aug 2022 |
| 4823 | R & H LLC | Ardmore, OK 73401-6329 | Oil & Gas Operator | Mar 2015 |
| 4824 | R & L Oil Company | Copan, OK 74022 | Oil Operator | May 2020 |
| 4825 | R & L Properties Inc | Richmond, MO 64085-0228 | Oil & Gas Operator | Apr 2001 |
| 4826 | R & N Associates | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2025 |
| 4827 | R & N Oil Company | Fairfax, OK 74637 | Oil & Gas Operator | May 2013 |
| 4828 | R & R Oil Company | Pampa, TX 79065 | Oil & Gas Operator | Jul 2002 |
| 4829 | R & R Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2004 |
| 4830 | R & S Exploration & Production | Lawton, OK 73501 | Oil Operator | Jan 1996 |
| 4831 | R & S Investments | Tulsa, OK 74146-4743 | Oil Operator | Aug 2013 |
| 4832 | R & S Oil Company | Tonkawa, OK 74653 | Oil & Gas Operator | Nov 2013 |
| 4833 | R & S Operating | Perry, OK 73077 | Oil & Gas Operator | Jan 2013 |
| 4834 | R & S Resource LLC | Kellyville, OK 74039 | Oil Operator | Oct 2025 |
| 4835 | R A Miller Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2020 |
| 4836 | R B Energy Inc | Manchester, KY 40962 | Oil & Gas Operator | Jan 2015 |
| 4837 | R Baker Oil LLC | Okemah, OK 74859 | Oil & Gas Operator | Nov 2025 |
| 4838 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Apr 2017 |
| 4839 | R C Oil Company Inc | Nowata, OK 74048-3402 | Oil Operator | Nov 2021 |
| 4840 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2025 |
| 4841 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 4842 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Nov 2025 |
| 4843 | R E C Tulsa Corporation | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2014 |
| 4844 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 4845 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 4846 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | Oct 2025 |
| 4847 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 4848 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2025 |
| 4849 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Nov 2025 |
| 4850 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 4851 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 4852 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 4853 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 4854 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Dec 2025 |
| 4855 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Nov 2025 |
| 4856 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Dec 2025 |
| 4857 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 4858 | R3 Resources Operating Corporation | Denver, CO 80222 | Gas Operator | Oct 2025 |
| 4859 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 4860 | Ra-Jac LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2025 |
| 4861 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 4862 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Oct 2025 |
| 4863 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Oct 2025 |
| 4864 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 4865 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Oct 2025 |
| 4866 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 4867 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 4868 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Oct 2025 |
| 4869 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 4870 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 4871 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 4872 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 4873 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 4874 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 4875 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 4876 | Rains & Williamson Oil Co Inc | Wichita, KS 67277 | Oil & Gas Operator | Sep 2025 |
| 4877 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 4878 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 4879 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 4880 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Dec 2025 |
| 4881 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Oct 2025 |
| 4882 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 4883 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 4884 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Oct 2025 |
| 4885 | Ram Oil & Gas | Blackwell, OK 74631 | Oil & Gas Operator | May 2013 |
| 4886 | Rama Operating Company Inc | Stafford, KS 67578 | Oil & Gas Operator | Nov 2025 |
| 4887 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |
| 4888 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 4889 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 4890 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 4891 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 4892 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Oct 2025 |
| 4893 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 4894 | Ramey Wayne | Mounds, OK 74047 | Oil & Gas Operator | Oct 2025 |
| 4895 | Ramhead Petroleum Inc | Seminole, OK 74818-0848 | Oil & Gas Operator | Aug 2008 |
| 4896 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 4897 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 4898 | Ramsey George H Estate | Ardmore, OK 73401-3644 | Oil & Gas Operator | Nov 2013 |
| 4899 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Nov 2025 |
| 4900 | Ramsey Property Management LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Nov 2025 |