| 24901 | Ridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | May 2025 |
| 24902 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | May 2025 |
| 24903 | Ridge Runner Properties Of N.Y. L.L.C | Pavilion, NY 14525 | Gas Operator | Dec 2023 |
| 24904 | Ridge Runner Resources Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 24905 | Ridgelake Energy, Inc. | | Oil & Gas Operator | Jul 2020 |
| 24906 | Ridgeland Energy, LLC | Pinch, WV 25156 | Oil & Gas Operator | Dec 2021 |
| 24907 | Ridgeland Wyoming Inc | | Oil Operator | Dec 2014 |
| 24908 | Ridgeline Energy Inc. | Miami, FL 33130 | Oil & Gas Operator | May 2025 |
| 24909 | Ridgeline Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 24910 | Ridgemar Energy Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | May 2025 |
| 24911 | Ridgeview Gas & Oil Inc | Templeton, PA 16259-4505 | Oil & Gas Operator | Dec 2024 |
| 24912 | Ridgeview Gas Co | Templeton, PA 16259-4505 | Oil & Gas Operator | Dec 2010 |
| 24913 | Ridgeway Arizona Oil Corp. | Houston, TX 77079 | Oil & Gas Operator | Mar 2025 |
| 24914 | Ridgeway Exco, Inc. | San Antonio, TX 78279 | Oil & Gas Operator | Mar 1996 |
| 24915 | Ridgeway Resources | Barberton, OH 44203 | Oil & Gas Operator | Dec 2012 |
| 24916 | Ridglea Energy I, LLC | Spring, TX 77379 | Oil & Gas Operator | May 2025 |
| 24917 | Ridgway Realty & Land Inc | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2019 |
| 24918 | Ridley Oil Corporation | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 24919 | Rierson Energy, LLC | McPherson, KS 67460 | Oil & Gas Operator | Jan 2025 |
| 24920 | Rierson, Joe | McPherson, KS 67460 | Oil Operator | Jan 2025 |
| 24921 | Rietz John T & Co Inc | | Oil & Gas Operator | Mar 1992 |
| 24922 | Rif Raf Inc | Norman, OK 73069 | Oil Operator | May 1999 |
| 24923 | Rife Energy Operating, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | May 2025 |
| 24924 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | May 2025 |
| 24925 | Rife Operating, LTD. | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2005 |
| 24926 | Rife, Bud Dba B & S Gas & Oil Co | Harold, KY 41635 | Oil & Gas Operator | Dec 2023 |
| 24927 | Rife, M. O., Jr. | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 1998 |
| 24928 | Rig 6 Drilling Co., Inc. | Bronson, KS 66716 | Oil Operator | Oct 2019 |
| 24929 | Rig II LLC | Woods Cross, UT 84087 | Oil & Gas Operator | May 2018 |
| 24930 | Rig Iron Petroleum Inc | | Oil & Gas Operator | Aug 1988 |
| 24931 | Rig Iron, Inc. | | Oil & Gas Operator | Mar 1991 |
| 24932 | Rig Petroleum, LLC | Spearman, TX 79081 | Oil & Gas Operator | May 2025 |
| 24933 | Rig Runner Express Inc Of Texas | Kilgore, TX 75663 | Oil & Gas Operator | May 2014 |
| 24934 | Rig Runner Express, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Mar 2008 |
| 24935 | Rigel Resources Co., Inc. | | Oil Operator | Aug 2009 |
| 24936 | Rigel, Inc. | | Oil & Gas Operator | Feb 2010 |
| 24937 | Rigged Up, LLC | Graham, TX 76450 | Oil Operator | May 2025 |
| 24938 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 24939 | Riggs Petroleum Company | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 24940 | Riggs, Don R. | San Antonio, TX 78270 | Oil & Gas Operator | Aug 2003 |
| 24941 | Riley & Scott Gas Co | Pikeville, KY 41502 | Gas Operator | Dec 2021 |
| 24942 | Riley Deborah R | Nowata, OK 74048 | Oil Operator | Dec 2024 |
| 24943 | Riley Exploration Operating Co LLC | Blanchard, OK 73010-8024 | Gas Operator | Jun 2017 |
| 24944 | Riley Exploration Opg Co, LLC | La Grange, TX 78945 | Oil & Gas Operator | May 2025 |
| 24945 | Riley Exploration, LLC | Blanchard, OK 73010 | Oil & Gas Operator | May 2025 |
| 24946 | Riley Lee Roy | Chickasha, OK 73018-9306 | Oil & Gas Operator | May 2006 |
| 24947 | Riley Leo M Co | | Gas Operator | Oct 1998 |
| 24948 | Riley Permian Operating Co, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | May 2025 |
| 24949 | Riley Production | Throckmorton, TX 76483 | Oil & Gas Operator | May 2025 |
| 24950 | Riley Production, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 24951 | Riley Resources, Inc . | Oklahoma City, OK 73162 | Gas Operator | Jan 2025 |
| 24952 | Rim Oil Company | Hays, KS 67601 | Oil Operator | Jun 2001 |
| 24953 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | May 2025 |
| 24954 | Rim Southwest Corp | Farmington, NM 87499-2058 | Oil & Gas Operator | Mar 2025 |
| 24955 | Rimco Oil & Gas | | Oil Operator | Mar 1987 |
| 24956 | Rimco Production Company, Inc. | | Oil & Gas Operator | Jan 2004 |
| 24957 | Rimfire Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | May 2025 |
| 24958 | Rimfire Swabbing, Inc. | | Oil Operator | Jan 2025 |
| 24959 | Rimrock Colony | Sunburst, MT 59482 | Gas Operator | Feb 2025 |
| 24960 | Rimrock Energy, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2012 |
| 24961 | Rimrock Gas Company | Weatherford, OK 73096 | Oil & Gas Operator | May 2008 |
| 24962 | Rimrock Oil Company | Kalispell, MT 59901 | Oil & Gas Operator | Dec 2023 |
| 24963 | Rimrock Production Inc. | Giddings, TX 78942 | Oil & Gas Operator | May 2025 |
| 24964 | Rimrock Resource Operating LLC | Tulsa, OK 74103-4462 | Oil & Gas Operator | Feb 2025 |
| 24965 | Rinard Petroleum LLC | Newport, OH 45768 | Oil & Gas Operator | Dec 2022 |
| 24966 | Rincon Island Limited Partnership | | Oil & Gas Operator | Nov 2022 |
| 24967 | Rincon Oil & Gas LLC | Arvada, CO 80005 | Gas Operator | Jun 2022 |
| 24968 | Rincon Oil Co. | | Oil & Gas Operator | Dec 1990 |
| 24969 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78427 | Oil & Gas Operator | May 2025 |
| 24970 | Rincon Production Co., Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 1997 |
| 24971 | Rine Drilling Co | | Oil & Gas Operator | Mar 1994 |
| 24972 | Rine Drillingand Exploration, Inc. | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 24973 | Rine Exploration | | Oil & Gas Operator | Jul 1994 |
| 24974 | Rine Exploration Co. | | Oil Operator | Jul 1988 |
| 24975 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 24976 | Ringer Oil Co Inc | | Oil & Gas Operator | Aug 1989 |
| 24977 | Ringneck Resources, LLC | Tulsa, OK 74135 | Gas Operator | Jan 2025 |
| 24978 | Ringo Rig LLC | Coleman, TX 76834 | Oil & Gas Operator | May 2025 |
| 24979 | Rio Blanco Energy, Inc. | Littleton, CO 80121 | Oil & Gas Operator | Oct 2002 |
| 24980 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Feb 2025 |
| 24981 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
| 24982 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 24983 | Rio Bravo Poso | | Oil & Gas Operator | Dec 2009 |
| 24984 | Rio Bravo Production, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | May 2025 |
| 24985 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 24986 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 24987 | Rio Energy | Houston, TX 77067 | Oil Operator | May 2025 |
| 24988 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
| 24989 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | May 2025 |
| 24990 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 24991 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | May 2025 |
| 24992 | Rio Grande E&P, LLC | Houston, TX 77024 | Gas Operator | May 2022 |
| 24993 | Rio Grande Energy | Laredo, TX 78041 | Oil & Gas Operator | May 2004 |
| 24994 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 24995 | Rio Mesa Resources Inc | | Oil & Gas Operator | Jul 2022 |
| 24996 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | May 2025 |
| 24997 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 24998 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | May 2025 |
| 24999 | Rio Rocky Enterprises, Inc. | Eldorado, TX 76936 | Oil & Gas Operator | May 2025 |
| 25000 | Rio VIsta Operating LLC | Eufaula, OK 74432-0789 | Gas Operator | Feb 2025 |