| 25001 | Rotation, Incorporated | Houston, TX 77057 | Oil & Gas Operator | Mar 2023 |
| 25002 | Roth Gary E | Tonkawa, OK 74653-2033 | Oil & Gas Operator | Jan 2020 |
| 25003 | Rothschild Oil Co. | | Oil Operator | Dec 1982 |
| 25004 | Rougeot Oil & Gas Corp | Sperry, OK 74073 | Oil & Gas Operator | Apr 2026 |
| 25005 | Rough Creek Energy LLC | Mandeville, LA 70471 | Oil Operator | Dec 2024 |
| 25006 | Rough Creek Exploration, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Jan 1996 |
| 25007 | Rough Hollow Ranch Corporation | Dallas, TX 75209 | Oil Operator | Aug 2006 |
| 25008 | Rough Rider Oil LLC | Booker, TX 79005-0427 | Oil & Gas Operator | Apr 2026 |
| 25009 | Roughhouse Oil & Gas LLC | | Oil & Gas Operator | Apr 2026 |
| 25010 | Roughhouse Operating, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2026 |
| 25011 | Roughneck L.L.C. | | Oil Operator | Jan 2025 |
| 25012 | Roule Production Company | Bay City, TX 77414 | Oil & Gas Operator | Feb 1997 |
| 25013 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 25014 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | Apr 2026 |
| 25015 | Roulston Pat | Konawa, OK 74849-4020 | Oil Operator | May 2026 |
| 25016 | Round Rock Resources, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Sep 2012 |
| 25017 | Roundtree & Associates Inc. | | Oil & Gas Operator | Jun 2024 |
| 25018 | Roundup Oil LLC | Springer, OK 73458 | Oil & Gas Operator | May 2026 |
| 25019 | Rountree Productions LLC | | Oil Operator | Apr 2026 |
| 25020 | Rountree/Wright Enterprises LLC | | Oil Operator | May 2026 |
| 25021 | Routh Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2011 |
| 25022 | Rouxopco LLC | | Oil Operator | Dec 2024 |
| 25023 | Rouzer Oil Company | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 25024 | Rover Construction, LLC | | Oil Operator | Dec 2023 |
| 25025 | Rover Operating Company, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2026 |
| 25026 | Rover Operating Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2000 |
| 25027 | Rover Operating, LLC | Chicago, IL 60606 | Oil & Gas Operator | Apr 2026 |
| 25028 | Rover Operations Inc | Richardson, TX 75080 | Oil & Gas Operator | Sep 1998 |
| 25029 | Rover Petroleum Operating, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Jul 2026 |
| 25030 | Rovig Minerals, Inc. | | Oil & Gas Operator | May 2020 |
| 25031 | Rovsek Adolph E | | Oil & Gas Operator | Oct 1991 |
| 25032 | Rowan, Al | Van, TX 75790 | Oil & Gas Operator | Apr 2021 |
| 25033 | Rowan-Ungerecht, Inc. | Van, TX 75790 | Oil & Gas Operator | Sep 1993 |
| 25034 | Rowden Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 25035 | Rowden, John A. | Chanute, KS 66720 | Oil Operator | Oct 1998 |
| 25036 | Rowe Energy | Beggs, OK 74421-0240 | Oil & Gas Operator | Mar 2015 |
| 25037 | Rowe Oil And Gas, Inc. | | Oil & Gas Operator | Jun 1999 |
| 25038 | Rowe Oil Co. | | Oil Operator | Jan 2002 |
| 25039 | Rowe Stephen Oil Properties LLC | Hunt, TX 78024 | Oil & Gas Operator | Apr 2020 |
| 25040 | Rowe, Inc. | | Oil & Gas Operator | Jun 1992 |
| 25041 | Rowland Tank Truck Company | Whitewright, TX 75491 | Oil & Gas Operator | Jul 2026 |
| 25042 | Rowland, David M. | East Aurora, NY 14052 | Gas Operator | Dec 2025 |
| 25043 | Rowland, Rex D. | Midland, TX 79701 | Oil & Gas Operator | Dec 2017 |
| 25044 | Rowland, Rex D. Estate Of | Midland, TX 79705 | Oil & Gas Operator | Jul 2026 |
| 25045 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | May 2026 |
| 25046 | Roxana Corporati | | Oil & Gas Operator | Feb 1993 |
| 25047 | Roxanna Acadia, LLC | | Oil & Gas Operator | May 2023 |
| 25048 | Roxanna Nebraska, LLC | | Oil Operator | Dec 2023 |
| 25049 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 25050 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 25051 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Jul 2026 |
| 25052 | Roy D. Gish | | Oil & Gas Operator | Sep 2019 |
| 25053 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 25054 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 25055 | Roy G Oil Company | Drumright, OK 74030-1236 | Oil & Gas Operator | Oct 1995 |
| 25056 | Roy Jackson Energy Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 25057 | Roy L Ashton Oil & Gas Production Inc | Sapulpa, OK 74066 | Oil Operator | Apr 2026 |
| 25058 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 25059 | Roy M. Teel | | Oil & Gas Operator | Nov 1983 |
| 25060 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 25061 | Roya Resources LLC | | Oil & Gas Operator | Mar 2022 |
| 25062 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 25063 | Royal Carolina Producers, LLC | | Oil Operator | Dec 2015 |
| 25064 | Royal Drilling Inc | Russell, KS 67665 | Oil Operator | Mar 2026 |
| 25065 | Royal Energy Resources LTD | Denver, CO 80221 | Oil & Gas Operator | May 2013 |
| 25066 | Royal Energy, Inc. | Dodge City, KS 67801 | Oil Operator | Dec 2019 |
| 25067 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 25068 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 25069 | Royal Oil LLC | Flower Mound, TX 75028 | Oil Operator | Dec 2015 |
| 25070 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 25071 | Royal Oryx Og LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 25072 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 25073 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2026 |
| 25074 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2025 |
| 25075 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 25076 | Royal Production Company, Inc. | Corpus Christ, TX 78401 | Oil & Gas Operator | Jul 2026 |
| 25077 | Royal Resources Corporation | | Oil & Gas Operator | Dec 2008 |
| 25078 | Royal Resources Exploration | | Oil & Gas Operator | Mar 1984 |
| 25079 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 25080 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Jul 2026 |
| 25081 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2026 |
| 25082 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2026 |
| 25083 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | May 2026 |
| 25084 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 25085 | Royalton Gas & Oil Co | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1990 |
| 25086 | Royalty Energy Development LLC | Edmond, OK 73003 | Oil & Gas Operator | May 2026 |
| 25087 | Royalty Land & Dev. Co., Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Jul 2026 |
| 25088 | Royalty Management & Dev Corp. | | Oil & Gas Operator | Apr 1998 |
| 25089 | Royalty Operating, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2007 |
| 25090 | Royalty Petroleum Company | Oklahoma City, OK 73120 | Gas Operator | Feb 2002 |
| 25091 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 25092 | Roye Realty & Developing Inc | Stigler, OK 74462-0148 | Gas Operator | Dec 2004 |
| 25093 | Royko Oil Company | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jul 2026 |
| 25094 | Rozel Operating Company | | Oil & Gas Operator | Oct 2014 |
| 25095 | Rozen H H | | Oil Operator | Aug 2022 |
| 25096 | Rozuk, Claudia | Millersburg, OH 44654 | Gas Operator | Dec 2025 |
| 25097 | Rozzlle Operating Company, LLC | Blackwell, TX 79506 | Oil & Gas Operator | Jul 2026 |
| 25098 | RP Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 25099 | Rpa Energy LLC | Ada, OK 74820 | Oil Operator | Apr 2026 |
| 25100 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Jul 2026 |