| 25001 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Jul 2024 |
| 25002 | Roxana Corporati | | Oil & Gas Operator | Feb 1993 |
| 25003 | Roxanna Acadia, LLC | | Oil & Gas Operator | May 2023 |
| 25004 | Roxanna Nebraska, LLC | | Oil Operator | Dec 2023 |
| 25005 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 25006 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 25007 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Sep 2024 |
| 25008 | Roy D. Gish | | Oil & Gas Operator | Sep 2019 |
| 25009 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 25010 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 25011 | Roy G Oil Company | Drumright, OK 74030-1236 | Oil & Gas Operator | Oct 1995 |
| 25012 | Roy L Ashton Oil & Gas Production Inc | Sapulpa, OK 74066 | Oil Operator | Jul 2024 |
| 25013 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 25014 | Roy M. Teel | | Oil & Gas Operator | Nov 1983 |
| 25015 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 25016 | Roya Resources LLC | | Oil & Gas Operator | Mar 2022 |
| 25017 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 25018 | Royal Carolina Producers, LLC | | Oil Operator | Dec 2015 |
| 25019 | Royal Drilling Inc | Russell, KS 67665 | Oil Operator | May 2024 |
| 25020 | Royal Energy Resources LTD | Denver, CO 80221 | Oil & Gas Operator | May 2013 |
| 25021 | Royal Energy, Inc. | Dodge City, KS 67801 | Oil Operator | Mar 2024 |
| 25022 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 25023 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 25024 | Royal Oil LLC | Flower Mound, TX 75028 | Oil Operator | Dec 2015 |
| 25025 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 25026 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 25027 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2024 |
| 25028 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2024 |
| 25029 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 25030 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Sep 2024 |
| 25031 | Royal Resources Corporation | | Oil & Gas Operator | Dec 2008 |
| 25032 | Royal Resources Exploration | | Oil & Gas Operator | Mar 1984 |
| 25033 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 25034 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Sep 2024 |
| 25035 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2024 |
| 25036 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Sep 2024 |
| 25037 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Jul 2024 |
| 25038 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 25039 | Royalton Gas & Oil Co | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1990 |
| 25040 | Royalty Energy Development LLC | Edmond, OK 73003 | Oil & Gas Operator | Jul 2024 |
| 25041 | Royalty Land & Dev. Co., Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Sep 2024 |
| 25042 | Royalty Management & Dev Corp. | | Oil & Gas Operator | Apr 1998 |
| 25043 | Royalty Operating, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2007 |
| 25044 | Royalty Petroleum Company | Oklahoma City, OK 73120 | Gas Operator | Feb 2002 |
| 25045 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Sep 2024 |
| 25046 | Roye Realty & Developing Inc | Stigler, OK 74462-0148 | Gas Operator | Dec 2004 |
| 25047 | Royko Oil Company | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Sep 2024 |
| 25048 | Rozel Operating Company | | Oil & Gas Operator | Oct 2014 |
| 25049 | Rozell Harold Dba Roundup Oil LLC | Springer, OK 73458 | Oil & Gas Operator | Jul 2024 |
| 25050 | Rozen H H | | Oil Operator | Aug 2022 |
| 25051 | Rozuk, Claudia | Millersburg, OH 44654 | Gas Operator | Dec 2023 |
| 25052 | Rozzlle Operating Company, LLC | Blackwell, TX 79506 | Oil & Gas Operator | Sep 2024 |
| 25053 | RP Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Sep 2024 |
| 25054 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Sep 2024 |
| 25055 | RPJ Fund Management Inc | St. Paul, MN 55101 | Oil & Gas Operator | Dec 1991 |
| 25056 | RPM Oilfield Services LLC | Lindsay, OK 73052-8005 | Oil & Gas Operator | Jun 2024 |
| 25057 | RPM Operating Company | New Braunfels, TX 78131 | Oil & Gas Operator | Mar 2008 |
| 25058 | RPM Petroleum, LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2013 |
| 25059 | RPS Energy, Inc. | | Oil & Gas Operator | Jul 2020 |
| 25060 | RR Oil Well Operations LLC | Ringwood, OK 73768 | Oil & Gas Operator | Jul 2024 |
| 25061 | RR Ventures Limited Partnership | San Antonio, TX 78239 | Oil & Gas Operator | Sep 2024 |
| 25062 | RRCH Corp. | Longview, TX 75606 | Oil & Gas Operator | Dec 2013 |
| 25063 | RRG Operating, LLC | Odessa, TX 79760 | Oil & Gas Operator | Sep 2024 |
| 25064 | Rrig Exploration, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Sep 2024 |
| 25065 | RRP Operating LLC | Houston, TX 77046 | Oil & Gas Operator | Sep 2024 |
| 25066 | RRR Exploration, Inc. | Dallas, TX 75247 | Oil & Gas Operator | May 1994 |
| 25067 | RS Gas Co Inc | Sprankle Mills, PA 15776-8312 | Gas Operator | Dec 2023 |
| 25068 | RSC Energy Corp | Brooklyn HTS, OH 44109 | Oil & Gas Operator | Dec 1984 |
| 25069 | RSC Resources Limited Partnership | Midland, TX 79707 | Oil & Gas Operator | Apr 2013 |
| 25070 | RSD Minerals LLC | Wichita, KS 67206 | Oil Operator | Apr 2024 |
| 25071 | Rse, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2000 |
| 25072 | RSP Permian, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 25073 | Rta Petroleum, LLC | | Oil Operator | Dec 2023 |
| 25074 | RTB Oil Inc | Crescent, OK 73028-0686 | Oil Operator | May 2016 |
| 25075 | RTC Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 25076 | RTC Resources, LLP | Weatherford, OK 73096 | Oil & Gas Operator | Sep 2024 |
| 25077 | RTD Inc | Bartlesville, OK 74006 | Oil Operator | Jan 1995 |
| 25078 | RTD Resources, LLC | Arp, TX 75750 | Oil & Gas Operator | Sep 2024 |
| 25079 | Rto Operating, LLC | San Antonio, TX 78212 | Oil Operator | Feb 2016 |
| 25080 | RTZ Energy, LLC | Kilgore, TX 75663 | Gas Operator | Apr 2006 |
| 25081 | Rubber City Oil & Gas LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2023 |
| 25082 | Rubicon Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2024 |
| 25083 | Rubis Oil, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2024 |
| 25084 | Ruby Breaux Gotreaux | | Oil Operator | Mar 1981 |
| 25085 | Ruby Drilling Company Inc | Gillette, WY 82718 | Oil Operator | Oct 2007 |
| 25086 | Ruby Operating Company, Inc | Clyde, TX 79510 | Oil & Gas Operator | Sep 2024 |
| 25087 | Ruby, Glen Et Al | | Oil & Gas Operator | Dec 1981 |
| 25088 | Rucker, Gary | Archer City, TX 76351 | Oil & Gas Operator | Dec 2003 |
| 25089 | Ruckus Energy Operating, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2024 |
| 25090 | Ruda Exploration Inc | Atwood, KS 67730 | Oil Operator | May 2024 |
| 25091 | Rude Crude | | Oil Operator | May 2024 |
| 25092 | Rudman Partnership, The | Dallas, TX 75201 | Oil & Gas Operator | Dec 2014 |
| 25093 | Rudman Resources, Inc. | | Oil Operator | Jul 1981 |
| 25094 | Rue Johnny B | Duncan, OK 73533-2019 | Oil Operator | Jun 2024 |
| 25095 | Ruff | Albany, TX 76430 | Oil & Gas Operator | Aug 2017 |
| 25096 | Ruff Drilling Company | Albany, TX 76430 | Oil & Gas Operator | Dec 2019 |
| 25097 | Ruff Oil Co. | Albany, TX 76430 | Oil Operator | Sep 2024 |
| 25098 | Ruffner Clair L III | Marion Center, PA 15759-7818 | Gas Operator | Dec 2023 |
| 25099 | Ruffner Petroleum Corp | Akron, OH 44308 | Oil & Gas Operator | Dec 2000 |
| 25100 | Ruh Oil Company | Collinsville, OK 74021 | Oil & Gas Operator | Jun 2024 |