| 24301 | Rincon Production Co., Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 1997 |
| 24302 | Rine Drilling Co | | Oil & Gas Operator | Mar 1994 |
| 24303 | Rine Drillingand Exploration, Inc. | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 24304 | Rine Exploration | | Oil & Gas Operator | Jul 1994 |
| 24305 | Rine Exploration Co. | | Oil Operator | Jul 1988 |
| 24306 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 24307 | Ringer Oil Co Inc | | Oil & Gas Operator | Aug 1989 |
| 24308 | Ringo Rig LLC | Coleman, TX 76834 | Oil & Gas Operator | Jun 2026 |
| 24309 | Rio Blanco Energy, Inc. | Littleton, CO 80121 | Oil & Gas Operator | Oct 2002 |
| 24310 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Feb 2026 |
| 24311 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
| 24312 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 24313 | Rio Bravo Poso | | Oil & Gas Operator | Dec 2009 |
| 24314 | Rio Bravo Production, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 24315 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 24316 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 24317 | Rio Energy | Houston, TX 77067 | Oil Operator | Jun 2026 |
| 24318 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Jun 2026 |
| 24319 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 24320 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | Jun 2026 |
| 24321 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 24322 | Rio Mesa Resources Inc | | Oil Operator | Jul 2022 |
| 24323 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | Jun 2026 |
| 24324 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 24325 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 2026 |
| 24326 | Rio VIsta Operating LLC | Eufaula, OK 74432-0789 | Gas Operator | Mar 2026 |
| 24327 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2026 |
| 24328 | Ripco | | Oil & Gas Operator | Jul 1986 |
| 24329 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 24330 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Jun 2026 |
| 24331 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Jun 2026 |
| 24332 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 24333 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Jun 2026 |
| 24334 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 24335 | Riseden, LTD | | Oil & Gas Operator | Nov 1989 |
| 24336 | Risher Company, Inc. | | Oil & Gas Operator | Jul 2001 |
| 24337 | Rising Star 2000 Oil & Gas, Inc. | | Oil Operator | Dec 2024 |
| 24338 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 24339 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 24340 | Rising Star Energy-Oper Co., LLC | | Oil & Gas Operator | Nov 2006 |
| 24341 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |
| 24342 | Rissman Lease Operating | Oklahoma City, OK 73116 | Oil Operator | Dec 1996 |
| 24343 | Ristau Ricky J | Warren, PA 16365-3560 | Oil & Gas Operator | Dec 2025 |
| 24344 | Rister Oil&Gas International LLC | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 24345 | Rister, Dewey | Avoca, TX 79503 | Oil & Gas Operator | Jun 2026 |
| 24346 | Ritchie C Stewar | | Oil Operator | Aug 1982 |
| 24347 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 24348 | Ritchie Exploration | | Oil Operator | Aug 1995 |
| 24349 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Feb 2026 |
| 24350 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 24351 | Ritchie, A. Scott | Wichita, KS 67202 | Oil Operator | Mar 1988 |
| 24352 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Jun 2026 |
| 24353 | Rittenhouse Oil & Gas Co. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 24354 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2026 |
| 24355 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Aug 2025 |
| 24356 | River Bend Operating, Inc. | | Oil & Gas Operator | Jul 1999 |
| 24357 | River City Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 24358 | River Energy Co., Inc. | | Gas Operator | Dec 2012 |
| 24359 | River Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 24360 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
| 24361 | River Gas Of Utah Inc | Northport, AL 35476 | Gas Operator | Feb 1995 |
| 24362 | River Ridge Gravel Co | Meadville, PA 16335-9149 | Oil Operator | Dec 2025 |
| 24363 | River Road Production, LLC | Hays, KS 67601 | Oil Operator | Feb 1997 |
| 24364 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 24365 | River Rouge Minerals | | Oil & Gas Operator | Dec 2024 |
| 24366 | River Rouge Minerals Inc | | Oil & Gas Operator | Mar 1981 |
| 24367 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2025 |
| 24368 | River Valley Oil LLC | Konawa, OK 74849 | Oil Operator | Mar 2026 |
| 24369 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Jun 2026 |
| 24370 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Feb 2026 |
| 24371 | Riveria Drilling | | Oil Operator | Aug 1984 |
| 24372 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 24373 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jun 2026 |
| 24374 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Mar 2026 |
| 24375 | Riverside Oil & Gas, Inc | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2023 |
| 24376 | Riverside Petrol | | Oil Operator | Sep 1995 |
| 24377 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 24378 | Riverside Resources, Inc. | | Oil & Gas Operator | Oct 2015 |
| 24379 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Mar 2026 |
| 24380 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Jun 2026 |
| 24381 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 24382 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 24383 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 24384 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 24385 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 24386 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Feb 2026 |
| 24387 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 24388 | RJ VIsion Operating | | Oil Operator | Jan 2026 |
| 24389 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | Feb 2026 |
| 24390 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Mar 2026 |
| 24391 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2026 |
| 24392 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 24393 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | Feb 2026 |
| 24394 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Jun 2026 |
| 24395 | RK Petroleum Corp,Enex Res,Peninsular Oil Corp. | | Oil Operator | Dec 2024 |
| 24396 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 24397 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Jun 2026 |
| 24398 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Mar 2026 |
| 24399 | RKR Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Mar 2026 |
| 24400 | RKW Oil & Gas LLC | Burkburnett, TX 76354 | Oil Operator | Jun 2026 |