| 25701 | Rio Bravo Production, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 25702 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 25703 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 25704 | Rio Energy | Houston, TX 77067 | Oil Operator | Feb 2026 |
| 25705 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
| 25706 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2026 |
| 25707 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 25708 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | Feb 2026 |
| 25709 | Rio Grande Energy | Laredo, TX 78041 | Oil & Gas Operator | May 2004 |
| 25710 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 25711 | Rio Mesa Resources Inc | | Oil Operator | Jul 2022 |
| 25712 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | Feb 2026 |
| 25713 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 25714 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Feb 2026 |
| 25715 | Rio Rocky Enterprises, Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Feb 2026 |
| 25716 | Rio VIsta Operating LLC | Eufaula, OK 74432-0789 | Gas Operator | Nov 2025 |
| 25717 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Feb 2026 |
| 25718 | Ripco | | Oil & Gas Operator | Jul 1986 |
| 25719 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 25720 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Feb 2026 |
| 25721 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Feb 2026 |
| 25722 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 25723 | Rise Oil & Gas, Inc. | Austin, TX 78755 | Oil & Gas Operator | Feb 2026 |
| 25724 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Feb 2026 |
| 25725 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 25726 | Riseden, LTD | | Oil & Gas Operator | Nov 1989 |
| 25727 | Risher Company, Inc. | | Oil & Gas Operator | Jul 2001 |
| 25728 | Rising Star 2000 Oil & Gas, Inc. | | Oil Operator | Dec 2024 |
| 25729 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 25730 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 25731 | Rising Star Energy-Oper Co., LLC | | Oil & Gas Operator | Nov 2006 |
| 25732 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |
| 25733 | Rissman Lease Operating | Oklahoma City, OK 73116 | Oil Operator | Dec 1996 |
| 25734 | Ristau Ricky J | Warren, PA 16365-3560 | Oil & Gas Operator | Dec 2025 |
| 25735 | Rister Oil&Gas International LLC | Eastland, TX 76448 | Oil & Gas Operator | Feb 2026 |
| 25736 | Rister, Dewey | Avoca, TX 79503 | Oil & Gas Operator | Feb 2026 |
| 25737 | Ritchie C Stewar | | Oil Operator | Aug 1982 |
| 25738 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 25739 | Ritchie Exploration | | Oil Operator | Aug 1995 |
| 25740 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Sep 2025 |
| 25741 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 25742 | Ritchie, A. Scott | Wichita, KS 67202 | Oil Operator | Mar 1988 |
| 25743 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Feb 2026 |
| 25744 | Rittenhouse Oil & Gas Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 25745 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Feb 2026 |
| 25746 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Aug 2025 |
| 25747 | River Bend Operating, Inc. | | Oil & Gas Operator | Jul 1999 |
| 25748 | River City Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 25749 | River Energy Co., Inc. | | Gas Operator | Dec 2012 |
| 25750 | River Gas Chanute, LLC | Savonburg, KS 66772 | Oil & Gas Operator | Dec 2009 |
| 25751 | River Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 25752 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
| 25753 | River Gas Of Utah Inc | Northport, AL 35476 | Gas Operator | Feb 1995 |
| 25754 | River Ridge Gravel Co | Meadville, PA 16335-9149 | Oil Operator | Dec 2025 |
| 25755 | River Road Production, LLC | Hays, KS 67601 | Oil Operator | Feb 1997 |
| 25756 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 25757 | River Rouge Minerals | | Oil & Gas Operator | Dec 2024 |
| 25758 | River Rouge Minerals Inc | | Oil & Gas Operator | Mar 1981 |
| 25759 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2024 |
| 25760 | River Valley Oil LLC | Konawa, OK 74849 | Oil Operator | Dec 2025 |
| 25761 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Feb 2026 |
| 25762 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Nov 2025 |
| 25763 | Riveria Drilling | | Oil Operator | Aug 1984 |
| 25764 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 25765 | Riverland Energy LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2024 |
| 25766 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Feb 2026 |
| 25767 | Riverside Energy Michigan LLC | | Oil Operator | Dec 2016 |
| 25768 | Riverside Oil & Gas, Inc | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2023 |
| 25769 | Riverside Petrol | | Oil Operator | Sep 1995 |
| 25770 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 25771 | Riverside Resources, Inc. | | Oil & Gas Operator | Oct 2015 |
| 25772 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 25773 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Feb 2026 |
| 25774 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 25775 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 25776 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 25777 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 25778 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 25779 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Sep 2025 |
| 25780 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 25781 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | Dec 2025 |
| 25782 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Nov 2025 |
| 25783 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Feb 2026 |
| 25784 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Feb 2026 |
| 25785 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | Sep 2025 |
| 25786 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Feb 2026 |
| 25787 | RJW Oil And Gas, LLC | Cross Lane, WV 25313 | Oil & Gas Operator | Dec 2023 |
| 25788 | RK Petroleum Corp,Enex Res,Peninsular Oil Corp. | | Oil Operator | Dec 2024 |
| 25789 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 25790 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Feb 2026 |
| 25791 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Dec 2025 |
| 25792 | RKL Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Apr 1997 |
| 25793 | RKR Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Nov 2025 |
| 25794 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Feb 2026 |
| 25795 | RL Investment, LLC | Hill City, KS 67642 | Oil Operator | Sep 2025 |
| 25796 | RL&B Energy LLC | Wichita Falls, TX 76230 | Oil & Gas Operator | Nov 2025 |
| 25797 | RLB Enterprises, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Feb 1997 |
| 25798 | RLB Investments LLC | Holdenville, OK 74848-9421 | Oil Operator | Jul 2017 |
| 25799 | RLM Energy Company Inc. | Monroe, LA 71201 | Oil & Gas Operator | Mar 2008 |
| 25800 | RLP Gulf States, L.L.C. | | Oil & Gas Operator | Apr 2012 |