| 24901 | Rincon Production Co., Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 1997 |
| 24902 | Rine Drilling Co | | Oil & Gas Operator | Mar 1994 |
| 24903 | Rine Drillingand Exploration, Inc. | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 24904 | Rine Exploration | | Oil & Gas Operator | Jul 1994 |
| 24905 | Rine Exploration Co. | | Oil Operator | Jul 1988 |
| 24906 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 24907 | Ringer Oil Co Inc | | Oil & Gas Operator | Aug 1989 |
| 24908 | Ringneck Resources, LLC | Tulsa, OK 74135 | Gas Operator | Feb 2025 |
| 24909 | Ringo Rig LLC | Coleman, TX 76834 | Oil & Gas Operator | Jun 2025 |
| 24910 | Rio Blanco Energy, Inc. | Littleton, CO 80121 | Oil & Gas Operator | Oct 2002 |
| 24911 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Mar 2025 |
| 24912 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
| 24913 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 24914 | Rio Bravo Poso | | Oil & Gas Operator | Dec 2009 |
| 24915 | Rio Bravo Production, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Jun 2025 |
| 24916 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 24917 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 24918 | Rio Energy | Houston, TX 77067 | Oil Operator | Jun 2025 |
| 24919 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
| 24920 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Jun 2025 |
| 24921 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 24922 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | Jun 2025 |
| 24923 | Rio Grande E&P, LLC | Houston, TX 77024 | Gas Operator | May 2022 |
| 24924 | Rio Grande Energy | Laredo, TX 78041 | Oil & Gas Operator | May 2004 |
| 24925 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 24926 | Rio Mesa Resources Inc | | Oil & Gas Operator | Jul 2022 |
| 24927 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | Jun 2025 |
| 24928 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 24929 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 2025 |
| 24930 | Rio Rocky Enterprises, Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Jun 2025 |
| 24931 | Rio VIsta Operating LLC | Eufaula, OK 74432-0789 | Gas Operator | Mar 2025 |
| 24932 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2025 |
| 24933 | Ripco | | Oil & Gas Operator | Jul 1986 |
| 24934 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 24935 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Jun 2025 |
| 24936 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Jun 2025 |
| 24937 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 24938 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Jun 2025 |
| 24939 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 24940 | Riseden, LTD | | Oil & Gas Operator | Nov 1989 |
| 24941 | Risher Company, Inc. | | Oil & Gas Operator | Jul 2001 |
| 24942 | Rising Star 2000 Oil & Gas, Inc. | | Oil Operator | Dec 2024 |
| 24943 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 24944 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 24945 | Rising Star Energy-Oper Co., LLC | | Oil & Gas Operator | Nov 2006 |
| 24946 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |
| 24947 | Rissman Lease Operating | Oklahoma City, OK 73116 | Oil Operator | Dec 1996 |
| 24948 | Ristau Ricky J | Warren, PA 16365-3560 | Oil & Gas Operator | Dec 2024 |
| 24949 | Rister Oil&Gas International LLC | Eastland, TX 76448 | Oil & Gas Operator | Jun 2025 |
| 24950 | Rister, Dewey | Avoca, TX 79503 | Oil & Gas Operator | Jun 2025 |
| 24951 | Ritchie C Stewar | | Oil Operator | Aug 1982 |
| 24952 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 24953 | Ritchie Exploration | | Oil Operator | Aug 1995 |
| 24954 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Feb 2025 |
| 24955 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 24956 | Ritchie, A. Scott | Wichita, KS 67202 | Oil Operator | Mar 1988 |
| 24957 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Jun 2025 |
| 24958 | Ritco, Inc | Barackville, WV 26559 | Oil & Gas Operator | Dec 2021 |
| 24959 | Rittenhouse Oil & Gas Co. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 24960 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2025 |
| 24961 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Oct 2024 |
| 24962 | River Bend Operating, Inc. | | Oil & Gas Operator | Jul 1999 |
| 24963 | River City Resources Inc | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 24964 | River Energy Co., Inc. | | Gas Operator | Dec 2012 |
| 24965 | River Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 24966 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
| 24967 | River Gas Of Utah Inc | Northport, AL 35476 | Gas Operator | Feb 1995 |
| 24968 | River Oil LLC | Longton, KS 67352 | Oil Operator | Jan 2025 |
| 24969 | River Ridge Gravel Co | Meadville, PA 16335-9149 | Oil Operator | Dec 2024 |
| 24970 | River Road Production, LLC | Hays, KS 67601 | Oil Operator | Feb 1997 |
| 24971 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2025 |
| 24972 | River Rouge Minerals | | Oil & Gas Operator | Dec 2024 |
| 24973 | River Rouge Minerals Inc | | Oil & Gas Operator | Mar 1981 |
| 24974 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2024 |
| 24975 | River Valley Oil LLC | Konawa, OK 74849 | Oil Operator | Apr 2025 |
| 24976 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Jun 2025 |
| 24977 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Mar 2025 |
| 24978 | Riveria Drilling | | Oil Operator | Aug 1984 |
| 24979 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 24980 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 24981 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Mar 2025 |
| 24982 | Riverside Oil & Gas, Inc | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2023 |
| 24983 | Riverside Petrol | | Oil Operator | Sep 1995 |
| 24984 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 24985 | Riverside Resources, Inc. | | Oil & Gas Operator | Oct 2015 |
| 24986 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Apr 2025 |
| 24987 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Jun 2025 |
| 24988 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 24989 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 24990 | Riviera Drilling & Exploration Company | | Oil & Gas Operator | Sep 2013 |
| 24991 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 24992 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 24993 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 24994 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Feb 2025 |
| 24995 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 24996 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | Apr 2025 |
| 24997 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | May 2025 |
| 24998 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2025 |
| 24999 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Jun 2025 |
| 25000 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | Feb 2025 |