| 25001 | Ria Mia Corporation | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2011 |
| 25002 | Rialto Oil & Gas Corporation | Houston, TX 77098 | Oil & Gas Operator | Oct 2012 |
| 25003 | Riata Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2006 |
| 25004 | Ric Petroleum | | Gas Operator | Dec 1998 |
| 25005 | Ric Petroleum, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 25006 | Rice Drilling B LLC | Canonsburg, PA 15317-5851 | Gas Operator | Oct 2025 |
| 25007 | Rice Drilling Company | Santa Anna, TX 76878 | Oil & Gas Operator | Dec 2025 |
| 25008 | Rice Drilling D LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Sep 2025 |
| 25009 | Rice Engineering | | Oil & Gas Operator | Jul 1988 |
| 25010 | Rice Engineering Corporation | Great Bend, KS 67530 | Oil & Gas Operator | Feb 2023 |
| 25011 | Rice Michael Lee | Beggs, OK 74421-2977 | Oil Operator | Jul 2025 |
| 25012 | Rice Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2020 |
| 25013 | Rice Patricia Dba Rice Oil | Duncan, OK 73533-1888 | Oil Operator | Jan 2021 |
| 25014 | Rice Production Company | | Oil Operator | Dec 2019 |
| 25015 | Rice, James D. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2007 |
| 25016 | Riceland Petroleum Company | | Oil & Gas Operator | Nov 2024 |
| 25017 | Rich, Joe | | Oil Operator | Dec 2019 |
| 25018 | Richard A. Williams Expl Corp. | | Oil & Gas Operator | Dec 1983 |
| 25019 | Richard B Herzog | Bradford, PA 16701-3619 | Oil Operator | Dec 2007 |
| 25020 | Richard B. Nelson,Etal | | Oil & Gas Operator | May 1979 |
| 25021 | Richard C Sullins Credit Shelter Trust | Perry, OK 73077 | Gas Operator | Feb 2025 |
| 25022 | Richard C. Bellows Family Trust | George West, TX 78022 | Oil Operator | Dec 2025 |
| 25023 | Richard C. Hinds | | Oil Operator | Jan 2025 |
| 25024 | Richard Charles J | | Oil & Gas Operator | May 1996 |
| 25025 | Richard Engineer | | Oil Operator | Mar 1991 |
| 25026 | Richard G Boarts | Ford City, PA 16226-7001 | Gas Operator | Dec 2012 |
| 25027 | Richard H Burkland | Lemont Furnace, PA 15456-0073 | Oil & Gas Operator | Dec 2012 |
| 25028 | Richard H. Lee, L.L.C. | | Oil & Gas Operator | Sep 1999 |
| 25029 | Richard Nelson | | Oil Operator | Feb 1987 |
| 25030 | Richard Oil Comp | | Oil Operator | Mar 1992 |
| 25031 | Richard P. Kelter | | Oil & Gas Operator | Dec 1996 |
| 25032 | Richard Steltzner | | Gas Operator | Dec 1992 |
| 25033 | Richard T. Perry | | Gas Operator | May 1993 |
| 25034 | Richard W Thompson Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2019 |
| 25035 | Richard Young & Associates | | Oil & Gas Operator | Dec 2004 |
| 25036 | Richards Drilling Co | Venango, PA 16440-1123 | Oil & Gas Operator | Dec 2015 |
| 25037 | Richards, Michael Dewain | Graham, TX 76450 | Oil & Gas Operator | Apr 2011 |
| 25038 | Richards, Tot Dozer, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | May 2013 |
| 25039 | Richards, Tot Oil Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 25040 | Richardson And Son , Inc. | Winfield, KS 67156 | Oil Operator | Jun 2025 |
| 25041 | Richardson Construction Co | Henryetta, OK 74437 | Oil & Gas Operator | Apr 2015 |
| 25042 | Richardson County Crude Inc. | | Oil Operator | Dec 2024 |
| 25043 | Richardson Developments | | Oil Operator | Apr 2025 |
| 25044 | Richardson Energy Corporation | | Oil & Gas Operator | Dec 1987 |
| 25045 | Richardson J Mar | | Oil & Gas Operator | Apr 1995 |
| 25046 | Richardson Oil | | Oil & Gas Operator | Dec 2019 |
| 25047 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 25048 | Richardson Oil Operating | | Oil & Gas Operator | Dec 2009 |
| 25049 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Nov 2025 |
| 25050 | Richardson Resources Inc | Brownwood, TX 76804 | Oil & Gas Operator | Dec 2025 |
| 25051 | Richardson WM S | Duncan, OK 73533 | Oil Operator | Jun 2013 |
| 25052 | Richardson, Bud II | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 25053 | Richardson, Marshall T. | Midfield, TX 77458 | Oil & Gas Operator | Dec 2025 |
| 25054 | Richart Oil Company Inc | Oklahoma City, OK 73154-0631 | Oil & Gas Operator | Aug 1995 |
| 25055 | Richey Heartsill | | Oil Operator | Feb 1991 |
| 25056 | Richey Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 25057 | Richey Properties, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 25058 | Richey, Ray Management Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Dec 2025 |
| 25059 | Richlan Drilling | | Oil Operator | Dec 1994 |
| 25060 | Richlan Drilling, A General Partnership | Beaver, KS 67525 | Oil & Gas Operator | Jun 2025 |
| 25061 | Richland Energy Corporation | Tulsa, OK 74103-4441 | Oil Operator | Jul 1995 |
| 25062 | Richland Energy, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2025 |
| 25063 | Richland Oil Investments, LLC | Palco, KS 67657 | Oil Operator | Jun 2025 |
| 25064 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2025 |
| 25065 | Richland Resources, Inc. | | Oil & Gas Operator | Aug 1990 |
| 25066 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
| 25067 | Richmond Drilling Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 25068 | Richmond Operating Company | Midland, TX 79707 | Oil & Gas Operator | Feb 2007 |
| 25069 | Richmond Petroleum Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Aug 2003 |
| 25070 | Richter Ervin E | | Oil & Gas Operator | Dec 2009 |
| 25071 | Richter Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2007 |
| 25072 | Rick & Sons Oil LLC | Warren, PA 16365-3561 | Oil & Gas Operator | Dec 2024 |
| 25073 | Rick Parrish & Family Contractors Inc | Albany, KY 42602 | Oil Operator | Dec 2023 |
| 25074 | Rick Pulliam Oil & Gas Inc | Bristow, OK 74010 | Oil & Gas Operator | Oct 2025 |
| 25075 | Rick'S Well Service | Cherryvale, KS 67335 | Oil & Gas Operator | Apr 2023 |
| 25076 | Rick-Rod Oil Company, Inc | Columbia, KY 42728 | Oil Operator | Dec 2022 |
| 25077 | Rick-Rod Well Services Co | | Oil Operator | Dec 2013 |
| 25078 | Rickaway Energy, Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Dec 2025 |
| 25079 | Rickerson, Russell | Rantoul, KS 66079 | Oil Operator | May 2025 |
| 25080 | Ricks & Ricks Oil Producers | | Oil Operator | Sep 1983 |
| 25081 | Ricks Consulting LLC | Copan, OK 74022 | Oil Operator | Jun 2025 |
| 25082 | Ricks Expl Acquisition Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2004 |
| 25083 | Ricks Expl Acquisition LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2013 |
| 25084 | Ricks Exploration Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 25085 | Ricks Exploration, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 25086 | Rico Oil Company | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 25087 | Ricochet Energy, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Dec 2025 |
| 25088 | Ricon Petroleum Company | Shamrock, TX 79079 | Oil & Gas Operator | Mar 2008 |
| 25089 | Ricotta, Deborah | Lancaster, NY 14043 | Gas Operator | Dec 2024 |
| 25090 | Riddle Engineering Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2011 |
| 25091 | Riddle William T | Haskell, OK 74436-1353 | Oil & Gas Operator | Feb 2014 |
| 25092 | Riddle, James O | Albany, KY 42602 | Oil Operator | Dec 2023 |
| 25093 | Riddle, William D | | Oil & Gas Operator | Dec 2021 |
| 25094 | Rider Oil & Gas | | Oil Operator | Aug 1991 |
| 25095 | Rider, Don C. | Medicine Lodge, KS 67104 | Gas Operator | Mar 2000 |
| 25096 | Rider, Scott A. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 25097 | Ridge Energy Partners LLC | Casper, WY 82601 | Oil Operator | Dec 2018 |
| 25098 | Ridge Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Nov 2025 |
| 25099 | Ridge Oil & Gas, LLC Dba Ridge Energy | | Gas Operator | Nov 2025 |
| 25100 | Ridge Oil And Gas Inc | Zanesville, OH 43702-2534 | Oil & Gas Operator | Dec 2024 |