| 4801 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 4802 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 4803 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 4804 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 4805 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Apr 2026 |
| 4806 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 4807 | Ramey Wayne | Mounds, OK 74047 | Oil & Gas Operator | Apr 2026 |
| 4808 | Ramhead Petroleum Inc | Seminole, OK 74818-0848 | Oil & Gas Operator | Aug 2008 |
| 4809 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 4810 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 4811 | Ramsey George H Estate | Ardmore, OK 73401-3644 | Oil & Gas Operator | Nov 2013 |
| 4812 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Apr 2026 |
| 4813 | Ramsey Property Management LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2026 |
| 4814 | Ramsey Property MGMT Inc | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2019 |
| 4815 | Ranch Creek Exploration LLC | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2025 |
| 4816 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Jun 2026 |
| 4817 | Randall E James Oil Company | Guthrie, OK 73044-9352 | Oil & Gas Operator | Apr 2026 |
| 4818 | Randy And Jan Walker Oil Company LLC | Konawa, OK 74849-9333 | Oil & Gas Operator | May 2026 |
| 4819 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Apr 2026 |
| 4820 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4821 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2026 |
| 4822 | Ranger Drilling LLC | Chicago, IL 60605-1041 | Oil & Gas Operator | Feb 2004 |
| 4823 | Ranger Systems Inc | Tulsa, OK 74114 | Oil Operator | Feb 2020 |
| 4824 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 4825 | Raper Brice Oil Company LLC | Yale, OK 74085-6865 | Oil & Gas Operator | Apr 2015 |
| 4826 | Rapp Oil & Gas | Oklahoma City, OK 73120 | Gas Operator | Jul 2020 |
| 4827 | Rar Properties LLC | Duncan, OK 73533 | Oil Operator | Apr 2026 |
| 4828 | Rasmussen, Hal J. Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2009 |
| 4829 | Ratex Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2000 |
| 4830 | Ratliff City Trucking Inc | Ratliff City, OK 73481-9603 | Oil & Gas Operator | Feb 2018 |
| 4831 | Ratliff Operating Corp. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2026 |
| 4832 | Ratts, Robert V. Inc. | Bedford, TX 76021 | Oil & Gas Operator | Aug 2003 |
| 4833 | Raven Resources LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Apr 2026 |
| 4834 | Ravil Inc | Edmond, OK 73013 | Gas Operator | Nov 1998 |
| 4835 | Raw Crude Oil & Gas, L.L.C. | Norman, OK 73069 | Oil & Gas Operator | Apr 2026 |
| 4836 | Raw Production LLC | Lindsay, OK 73052 | Oil & Gas Operator | Apr 2026 |
| 4837 | Rawhide Oil Company | | Oil & Gas Operator | Sep 2011 |
| 4838 | Rawhide Operating, Inc. | New Braunfels, TX 78131 | Oil & Gas Operator | Jul 2026 |
| 4839 | Ray G H Oil Company | Chickasha, OK 73023-0650 | Oil Operator | Feb 2010 |
| 4840 | Ray Herman | Haskell, OK 74436-0446 | Oil & Gas Operator | Dec 2021 |
| 4841 | Ray Joe T | Wanette, OK 74878 | Oil Operator | Apr 2026 |
| 4842 | Ray Randy S | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Apr 2015 |
| 4843 | Ray Roger T | Boynton, OK 74422 | Oil & Gas Operator | Dec 2021 |
| 4844 | Ray'S Oil Company | Boynton, OK 74422 | Oil & Gas Operator | Apr 2026 |
| 4845 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2026 |
| 4846 | Raydon Production Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 1992 |
| 4847 | Raye Oil Company | Velma, OK 73491-0482 | Oil & Gas Operator | Oct 2012 |
| 4848 | Rayland Operating LLC | Moro, IL 62067 | Oil Operator | Jun 2023 |
| 4849 | Rays Energy Partners LLC | Dallas, TX 75230 | Oil & Gas Operator | Apr 2026 |
| 4850 | RB Operating Company | Shawnee, OK 74802-1488 | Oil & Gas Operator | Apr 2015 |
| 4851 | RBC Exploration Company | Tulsa, OK 74114 | Oil & Gas Operator | May 2013 |
| 4852 | RCK Oil And Gas LLC | Denton, TX 76207 | Oil & Gas Operator | May 2026 |
| 4853 | RDH Enterprises Inc | El Reno, OK 73036 | Oil & Gas Operator | May 2015 |
| 4854 | Reach Oil And Gas Company Inc | Oklahoma City, OK 73118-1100 | Oil & Gas Operator | Apr 2026 |
| 4855 | Reading & Bates Petroleum Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 4856 | Reagan Production Inc | Terral, OK 73569 | Oil Operator | May 2026 |
| 4857 | Real Production Management LLC | Tulsa, OK 74103 | Oil Operator | Oct 2025 |
| 4858 | Reames Jr Keith E | Duncan, OK 73534-0246 | Oil & Gas Operator | Jul 1999 |
| 4859 | Rebel Oil Company | Keaton, KY 41226 | Oil & Gas Operator | Jan 2025 |
| 4860 | Rebellion Energy LLC | Tulsa, OK 74135-6241 | Oil & Gas Operator | Jun 2022 |
| 4861 | Red Bluff Resources Operating LLC | Oklahoma City, OK 73112-5468 | Oil & Gas Operator | Apr 2026 |
| 4862 | Red Buck Oil Company | Copan, OK 74022-0215 | Oil Operator | Nov 2009 |
| 4863 | Red Dirt Environmental Services LLC | Checotah, OK 74426 | Oil & Gas Operator | Mar 2026 |
| 4864 | Red Eagle Oil Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2005 |
| 4865 | Red Earth Oil & Gas, Inc. | Oklahoma City, OK 73159 | Oil & Gas Operator | Oct 2021 |
| 4866 | Red Fork (USA) Investments Inc | Midland, TX 79710-0272 | Oil & Gas Operator | May 2019 |
| 4867 | Red Fork Oil Co | Lakewood, CO 80215 | Oil & Gas Operator | Aug 1993 |
| 4868 | Red Fork Oil Production Inc | Mannford, OK 74044-0492 | Oil & Gas Operator | Feb 2017 |
| 4869 | Red Fork Production, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2026 |
| 4870 | Red Fork Valley Oil & Gas Co | Cushing, OK 74023 | Oil Operator | Dec 2014 |
| 4871 | Red Hawk Disposal LLC | Oklahoma City, OK 73172 | Oil Operator | Jun 2023 |
| 4872 | Red Hawk Resources Inc | Edmond, OK 73003-3207 | Oil & Gas Operator | May 2026 |
| 4873 | Red Mountain Operating LLC | Oklahoma City, OK 73118-1253 | Oil & Gas Operator | Apr 2024 |
| 4874 | Red Ox Resources LLC | Dumas, TX 79029 | Gas Operator | Apr 2026 |
| 4875 | Red Plains Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2017 |
| 4876 | Red River Fuels Inc | Bristow, OK 74010-2231 | Oil & Gas Operator | Mar 2008 |
| 4877 | Red River Oil & Gas Company | Oklahoma City, OK 73132-5120 | Oil & Gas Operator | Mar 2015 |
| 4878 | Red River Oil Corporation | Alvarado, TX 76009-0449 | Oil & Gas Operator | Dec 2016 |
| 4879 | Red River Petroleum Inc | Tipton, OK 73570 | Oil Operator | Apr 2026 |
| 4880 | Red Rock Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2015 |
| 4881 | Red Rock Resources, L.L.C. | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2026 |
| 4882 | Red Rocks Oil & Gas Operating LLC | Oklahoma City, OK 73103 | Oil & Gas Operator | May 2026 |
| 4883 | Red Sand Resources LLC | Ada, OK 74821 | Oil Operator | Apr 2026 |
| 4884 | Red Stone Resources LLC | Edmond, OK 73013 | Oil Operator | Jun 2023 |
| 4885 | Red Tail Properties, LLC | Tulsa, OK 74107-3443 | Oil Operator | Apr 2026 |
| 4886 | Red Wolf Operating LLC | Edmond, OK 73003-2179 | Oil & Gas Operator | May 2026 |
| 4887 | Redbird Oil Company | Bartlesville, OK 74005-2566 | Oil & Gas Operator | Mar 2015 |
| 4888 | Redbud E & P, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 2026 |
| 4889 | Redbud Oil & Gas | Nowata, OK 74048-0026 | Oil & Gas Operator | Dec 2000 |
| 4890 | Redbud Oil Company | Elmore City, OK 73433-8637 | Oil Operator | Apr 2026 |
| 4891 | Reddy Oil & Gas Corporation | Tulsa, OK 74108 | Oil & Gas Operator | Apr 2026 |
| 4892 | Redfork Operations LLC | Dover, OK 73734 | Oil & Gas Operator | May 2026 |
| 4893 | Redgate Petroleum Inc | Waynoka, OK 73860-9408 | Oil & Gas Operator | Mar 2014 |
| 4894 | Redhen Oil Company | Oklahoma City, OK 73135 | Oil & Gas Operator | Sep 2024 |
| 4895 | Redhill Operating LLC | Duncan, OK 73533 | Oil & Gas Operator | Apr 2026 |
| 4896 | Redland Development LLC | Cashion, OK 73016-9625 | Oil & Gas Operator | May 2019 |
| 4897 | Redland Resources LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | May 2026 |
| 4898 | Redline Energy LLC | Dover, OK 73734 | Oil & Gas Operator | May 2026 |
| 4899 | Redneck Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Apr 2026 |
| 4900 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |