| 1 | R & A Moore, Inc. | Cleburne, TX 76033 | Oil & Gas Operator | Jun 2025 |
| 2 | R & B Oil & Gas, Inc. | Attica, KS 67009 | Oil & Gas Operator | Feb 2025 |
| 3 | R & B Operating LLC | Boynton, OK 74422 | Oil & Gas Operator | Feb 2024 |
| 4 | R & B Trucking | Crescent, OK 73028-0775 | Oil & Gas Operator | Nov 2021 |
| 5 | R & C Oil And Gas Inc | Ada, OK 74820-3150 | Oil Operator | Jul 2016 |
| 6 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 7 | R & D Reclaiming LLC | | Oil Operator | Aug 2022 |
| 8 | R & H LLC | Ardmore, OK 73401-6329 | Oil & Gas Operator | Mar 2015 |
| 9 | R & L Oil Company | Copan, OK 74022 | Oil Operator | May 2020 |
| 10 | R & L Properties Inc | Richmond, MO 64085-0228 | Oil & Gas Operator | Apr 2001 |
| 11 | R & N Associates | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2025 |
| 12 | R & N Oil Company | Fairfax, OK 74637 | Oil & Gas Operator | May 2013 |
| 13 | R & R Oil Company | Pampa, TX 79065 | Oil & Gas Operator | Jul 2002 |
| 14 | R & R Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2004 |
| 15 | R & S Exploration & Production | Lawton, OK 73501 | Oil Operator | Jan 1996 |
| 16 | R & S Investments | Tulsa, OK 74146-4743 | Oil Operator | Aug 2013 |
| 17 | R & S Oil Company | Tonkawa, OK 74653 | Oil & Gas Operator | Nov 2013 |
| 18 | R & S Operating | Perry, OK 73077 | Oil & Gas Operator | Jan 2013 |
| 19 | R A Miller Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2020 |
| 20 | R B Energy, Inc | Manchester, KY 40962 | Oil & Gas Operator | Jan 2015 |
| 21 | R Baker Oil LLC | Okemah, OK 74859 | Oil & Gas Operator | Feb 2025 |
| 22 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Apr 2017 |
| 23 | R C Oil Company Inc | Nowata, OK 74048-3402 | Oil Operator | Nov 2021 |
| 24 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2025 |
| 25 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 26 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Mar 2025 |
| 27 | R E C Tulsa Corporation | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2014 |
| 28 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 29 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 30 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | Mar 2025 |
| 31 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 32 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Mar 2025 |
| 33 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Feb 2025 |
| 34 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 35 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 36 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 37 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 38 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Jun 2025 |
| 39 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Feb 2025 |
| 40 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Jun 2025 |
| 41 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2025 |
| 42 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 43 | Ra-Jac LLC | Norman, OK 73072 | Oil & Gas Operator | Mar 2025 |
| 44 | Raad Investments LLC | Springer, OK 73458 | Oil & Gas Operator | Feb 2025 |
| 45 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 46 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Feb 2025 |
| 47 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Nov 2024 |
| 48 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 49 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Mar 2025 |
| 50 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 51 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 52 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Mar 2025 |
| 53 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 54 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 55 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 56 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 57 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 58 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 59 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 60 | Rains And Williamson Oil Co. | Wichita, KS 67277 | Oil & Gas Operator | Feb 2025 |
| 61 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 62 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 63 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 64 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Jun 2025 |
| 65 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Feb 2025 |
| 66 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 67 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 68 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Feb 2025 |
| 69 | Ram Oil & Gas | Blackwell, OK 74631 | Oil & Gas Operator | May 2013 |
| 70 | Rama Operating Co., Inc. | Stafford, KS 67578 | Oil & Gas Operator | Mar 2025 |
| 71 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |
| 72 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 73 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 74 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 75 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 76 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Mar 2021 |
| 77 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 78 | Ramey Wayne | Mounds, OK 74047 | Oil & Gas Operator | Jan 2025 |
| 79 | Ramhead Petroleum Inc | Seminole, OK 74818-0848 | Oil & Gas Operator | Aug 2008 |
| 80 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 81 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 82 | Ramsey George H Estate | Ardmore, OK 73401-3644 | Oil & Gas Operator | Nov 2013 |
| 83 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2025 |
| 84 | Ramsey Property Management LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Dec 2024 |
| 85 | Ramsey Property MGMT Inc | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2019 |
| 86 | Ranch Creek Exploration LLC | Tulsa, OK 74105 | Oil & Gas Operator | Oct 2024 |
| 87 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Apr 2025 |
| 88 | Randall E James Oil Company | Guthrie, OK 73044-9352 | Oil & Gas Operator | Feb 2025 |
| 89 | Randy And Jan Walker Oil Company LLC | Konawa, OK 74849-9333 | Oil & Gas Operator | Mar 2025 |
| 90 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2025 |
| 91 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 92 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2025 |
| 93 | Ranger Drilling LLC | Chicago, IL 60605-1041 | Oil & Gas Operator | Feb 2004 |
| 94 | Ranger Systems Inc | Tulsa, OK 74145 | Oil Operator | Feb 2020 |
| 95 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Feb 2025 |
| 96 | Raper Brice Oil Company LLC | Yale, OK 74085-6865 | Oil & Gas Operator | Apr 2015 |
| 97 | Rapp Oil & Gas | Oklahoma City, OK 73120 | Gas Operator | Jul 2020 |
| 98 | Rar Properties LLC | Duncan, OK 73533 | Oil Operator | Feb 2025 |
| 99 | Rasmussen, Hal J. Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2009 |
| 100 | Ratex Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2000 |