| 4701 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 4702 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Jan 2026 |
| 4703 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 4704 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 4705 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Jan 2026 |
| 4706 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 4707 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 4708 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 4709 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 4710 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 4711 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 4712 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 4713 | Rains & Williamson Oil Co Inc | Wichita, KS 67277 | Oil & Gas Operator | Jan 2026 |
| 4714 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 4715 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 4716 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 4717 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | May 2026 |
| 4718 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Jan 2026 |
| 4719 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 4720 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 4721 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Feb 2026 |
| 4722 | Ram Oil & Gas | Blackwell, OK 74631 | Oil & Gas Operator | May 2013 |
| 4723 | Rama Operating Company Inc | Stafford, KS 67578 | Oil & Gas Operator | Feb 2026 |
| 4724 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |
| 4725 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 4726 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 4727 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 4728 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 4729 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Jan 2026 |
| 4730 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 4731 | Ramey Wayne | Mounds, OK 74047 | Oil & Gas Operator | Oct 2025 |
| 4732 | Ramhead Petroleum Inc | Seminole, OK 74818-0848 | Oil & Gas Operator | Aug 2008 |
| 4733 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 4734 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 4735 | Ramsey George H Estate | Ardmore, OK 73401-3644 | Oil & Gas Operator | Nov 2013 |
| 4736 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Feb 2026 |
| 4737 | Ramsey Property Management LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2026 |
| 4738 | Ramsey Property MGMT Inc | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2019 |
| 4739 | Ranch Creek Exploration LLC | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2025 |
| 4740 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Mar 2026 |
| 4741 | Randall E James Oil Company | Guthrie, OK 73044-9352 | Oil & Gas Operator | Jan 2026 |
| 4742 | Randy And Jan Walker Oil Company LLC | Konawa, OK 74849-9333 | Oil & Gas Operator | Feb 2026 |
| 4743 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2026 |
| 4744 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4745 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 4746 | Ranger Drilling LLC | Chicago, IL 60605-1041 | Oil & Gas Operator | Feb 2004 |
| 4747 | Ranger Systems Inc | Tulsa, OK 74145 | Oil Operator | Feb 2020 |
| 4748 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 4749 | Raper Brice Oil Company LLC | Yale, OK 74085-6865 | Oil & Gas Operator | Apr 2015 |
| 4750 | Rapp Oil & Gas | Oklahoma City, OK 73120 | Gas Operator | Jul 2020 |
| 4751 | Rar Properties LLC | Duncan, OK 73533 | Oil Operator | Dec 2025 |
| 4752 | Rasmussen, Hal J. Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2009 |
| 4753 | Ratex Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2000 |
| 4754 | Ratliff City Trucking Inc | Ratliff City, OK 73481-9603 | Oil & Gas Operator | Feb 2018 |
| 4755 | Ratliff Operating Corp. | Amarillo, TX 79105 | Oil & Gas Operator | May 2026 |
| 4756 | Ratts, Robert V. Inc. | Bedford, TX 76021 | Oil & Gas Operator | Aug 2003 |
| 4757 | Raven Resources LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Jan 2026 |
| 4758 | Ravil Inc | Edmond, OK 73013 | Gas Operator | Nov 1998 |
| 4759 | Raw Crude Oil & Gas, L.L.C. | Norman, OK 73069 | Oil & Gas Operator | Jan 2026 |
| 4760 | Raw Production LLC | Lindsay, OK 73052 | Oil & Gas Operator | Feb 2026 |
| 4761 | Rawhide Oil Company | | Oil & Gas Operator | Sep 2011 |
| 4762 | Rawhide Operating, Inc. | New Braunfels, TX 78131 | Oil & Gas Operator | May 2026 |
| 4763 | Ray G H Oil Company | Chickasha, OK 73023-0650 | Oil Operator | Feb 2010 |
| 4764 | Ray Herman | Haskell, OK 74436-0446 | Oil & Gas Operator | Dec 2021 |
| 4765 | Ray Randy S | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Apr 2015 |
| 4766 | Ray Roger T | Boynton, OK 74422 | Oil & Gas Operator | Dec 2021 |
| 4767 | Ray'S Oil Company | Boynton, OK 74422 | Oil & Gas Operator | Jan 2026 |
| 4768 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2026 |
| 4769 | Raydon Production Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 1992 |
| 4770 | Raye Oil Company | Velma, OK 73491-0482 | Oil & Gas Operator | Oct 2012 |
| 4771 | Rayland Operating LLC | Moro, IL 62067 | Oil Operator | Jun 2023 |
| 4772 | Rays Energy Partners LLC | Dallas, TX 75230 | Gas Operator | Jan 2026 |
| 4773 | RB Operating Company | Shawnee, OK 74802-1488 | Oil & Gas Operator | Apr 2015 |
| 4774 | RBC Exploration Company | Tulsa, OK 74114 | Oil & Gas Operator | May 2013 |
| 4775 | RCK Oil And Gas LLC | Denton, TX 76207 | Oil & Gas Operator | Jan 2026 |
| 4776 | RDH Enterprises Inc | El Reno, OK 73036 | Oil & Gas Operator | May 2015 |
| 4777 | Reach Oil And Gas Company Inc | Oklahoma City, OK 73118-1100 | Oil & Gas Operator | Feb 2026 |
| 4778 | Reading & Bates Petroleum Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 4779 | Reagan Production Inc | Terral, OK 73569 | Oil Operator | Nov 2025 |
| 4780 | Real Production Management LLC | Tulsa, OK 74103 | Oil Operator | Oct 2025 |
| 4781 | Reames Jr Keith E | Duncan, OK 73534-0246 | Oil & Gas Operator | Jul 1999 |
| 4782 | Rebel Oil Company | Keaton, KY 41226 | Oil & Gas Operator | Jan 2025 |
| 4783 | Rebellion Energy LLC | Tulsa, OK 74135-6241 | Oil & Gas Operator | Jun 2022 |
| 4784 | Red Bluff Resources Operating LLC | Oklahoma City, OK 73112-5468 | Oil & Gas Operator | Jan 2026 |
| 4785 | Red Buck Oil Company | Copan, OK 74022-0215 | Oil Operator | Nov 2009 |
| 4786 | Red Dirt Environmental Services LLC | Checotah, OK 74426 | Oil & Gas Operator | Jan 2026 |
| 4787 | Red Eagle Oil Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2005 |
| 4788 | Red Earth Oil & Gas, Inc. | Oklahoma City, OK 73159 | Oil & Gas Operator | Oct 2021 |
| 4789 | Red Fork (USA) Investments Inc | Midland, TX 79710-0272 | Oil & Gas Operator | May 2019 |
| 4790 | Red Fork Oil Co | Lakewood, CO 80215 | Oil & Gas Operator | Aug 1993 |
| 4791 | Red Fork Oil Production Inc | Mannford, OK 74044-0492 | Oil & Gas Operator | Feb 2017 |
| 4792 | Red Fork Production, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Jan 2026 |
| 4793 | Red Fork Valley Oil & Gas Co | Cushing, OK 74023 | Oil Operator | Dec 2014 |
| 4794 | Red Hawk Disposal LLC | Oklahoma City, OK 73172 | Oil Operator | Jun 2023 |
| 4795 | Red Hawk Resources Inc | Edmond, OK 73003-3207 | Oil & Gas Operator | Feb 2026 |
| 4796 | Red Mountain Operating LLC | Oklahoma City, OK 73118-1253 | Oil & Gas Operator | Apr 2024 |
| 4797 | Red Ox Resources LLC | Dumas, TX 79029 | Gas Operator | Feb 2026 |
| 4798 | Red Plains Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2017 |
| 4799 | Red River Fuels Inc | Bristow, OK 74010-2231 | Oil & Gas Operator | Mar 2008 |
| 4800 | Red River Oil & Gas Company | Oklahoma City, OK 73132-5120 | Oil & Gas Operator | Mar 2015 |