| 9301 | Rheata Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 9302 | Rhodes Disposal, Inc. | Bryson, TX 76427 | Oil Operator | Dec 2025 |
| 9303 | Rhodes Drilling Company | Abilene, TX 79608 | Oil & Gas Operator | Sep 2000 |
| 9304 | Rhombus Operating Co., LTD | Littleton, CO 80160 | Oil & Gas Operator | Oct 2025 |
| 9305 | Rhonda Operating Company | Midland, TX 79710 | Oil & Gas Operator | Aug 2017 |
| 9306 | RHR Oil & Gas, LLC | Fort Worth, TX 76107 | Oil Operator | Dec 2025 |
| 9307 | Rhyne, J.V. | Cisco, TX 76437 | Oil & Gas Operator | Dec 2025 |
| 9308 | Ria Mia Corporation | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2011 |
| 9309 | Rialto Oil & Gas Corporation | Houston, TX 77098 | Oil & Gas Operator | Oct 2012 |
| 9310 | Riata Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2006 |
| 9311 | Ric Petroleum, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 9312 | Rice Drilling Company | Santa Anna, TX 76878 | Oil & Gas Operator | Dec 2025 |
| 9313 | Rice, James D. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2007 |
| 9314 | Richard C. Bellows Family Trust | George West, TX 78022 | Oil Operator | Dec 2025 |
| 9315 | Richard'S Texas Tea | Rockdale, TX 76567 | Oil Operator | Dec 2025 |
| 9316 | Richards, Michael Dewain | Graham, TX 76450 | Oil & Gas Operator | Apr 2011 |
| 9317 | Richards, Tot Dozer, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | May 2013 |
| 9318 | Richards, Tot Oil Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 9319 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 9320 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Sep 2025 |
| 9321 | Richardson Resources Inc | Brownwood, TX 76804 | Oil & Gas Operator | Dec 2025 |
| 9322 | Richardson, Bud II | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 9323 | Richardson, Marshall T. | Midfield, TX 77458 | Oil & Gas Operator | Dec 2025 |
| 9324 | Richey Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 9325 | Richey Properties, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 9326 | Richey, Ray Management Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Dec 2025 |
| 9327 | Richland Energy, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2025 |
| 9328 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2025 |
| 9329 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
| 9330 | Richmond Drilling Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 9331 | Richmond Operating Company | Midland, TX 79707 | Oil & Gas Operator | Feb 2007 |
| 9332 | Richmond Petroleum Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Aug 2003 |
| 9333 | Richter Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2007 |
| 9334 | Rickaway Energy, Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Dec 2025 |
| 9335 | Ricks Expl Acquisition Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2004 |
| 9336 | Ricks Expl Acquisition LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2013 |
| 9337 | Ricks Exploration, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 9338 | Rico Oil Company | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 9339 | Ricochet Energy, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Dec 2025 |
| 9340 | Ricon Petroleum Company | Shamrock, TX 79079 | Oil & Gas Operator | Mar 2008 |
| 9341 | Riddle Engineering Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2011 |
| 9342 | Ridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |
| 9343 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | Dec 2025 |
| 9344 | Ridgeline Energy Inc. | Miami, FL 33130 | Oil & Gas Operator | Dec 2025 |
| 9345 | Ridgeline Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 9346 | Ridgemar Energy Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Jan 2025 |
| 9347 | Ridgeway Exco, Inc. | San Antonio, TX 78279 | Oil & Gas Operator | Mar 1996 |
| 9348 | Ridglea Energy I, LLC | Spring, TX 77379 | Oil & Gas Operator | Dec 2025 |
| 9349 | Ridley Oil Corporation | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 9350 | Rife Energy Operating, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2025 |
| 9351 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2025 |
| 9352 | Rife Operating, LTD. | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2005 |
| 9353 | Rife, M. O., Jr. | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 1998 |
| 9354 | Rig Petroleum, LLC | Spearman, TX 79081 | Oil & Gas Operator | Dec 2025 |
| 9355 | Rig Runner Express Inc Of Texas | Kilgore, TX 75663 | Oil & Gas Operator | May 2014 |
| 9356 | Rig Runner Express, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Mar 2008 |
| 9357 | Rigged Up, LLC | Graham, TX 76450 | Oil Operator | Dec 2025 |
| 9358 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 9359 | Riggs Petroleum Company | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 9360 | Riggs, Don R. | San Antonio, TX 78270 | Oil & Gas Operator | Aug 2003 |
| 9361 | Riley Exploration Opg Co, LLC | La Grange, TX 78945 | Oil & Gas Operator | Dec 2025 |
| 9362 | Riley Exploration, LLC | Blanchard, OK 73010 | Oil & Gas Operator | Dec 2025 |
| 9363 | Riley Permian Operating Co, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Dec 2025 |
| 9364 | Riley Production | Throckmorton, TX 76483 | Oil & Gas Operator | Dec 2025 |
| 9365 | Riley Production, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 9366 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Dec 2025 |
| 9367 | Rimfire Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 9368 | Rimrock Energy, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2012 |
| 9369 | Rimrock Gas Company | Weatherford, OK 73096 | Oil & Gas Operator | May 2008 |
| 9370 | Rimrock Production Inc. | Giddings, TX 78942 | Oil & Gas Operator | Dec 2025 |
| 9371 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Dec 2025 |
| 9372 | Rincon Production Co., Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 1997 |
| 9373 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 9374 | Ringo Rig LLC | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 9375 | Rio Blanco Energy, Inc. | Littleton, CO 80121 | Oil & Gas Operator | Oct 2002 |
| 9376 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
| 9377 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 9378 | Rio Bravo Production, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 9379 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 9380 | Rio Energy | Houston, TX 77067 | Oil Operator | Dec 2025 |
| 9381 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
| 9382 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2025 |
| 9383 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 9384 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | Dec 2025 |
| 9385 | Rio Grande Energy | Laredo, TX 78041 | Oil & Gas Operator | May 2004 |
| 9386 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 9387 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | Dec 2025 |
| 9388 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 9389 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Dec 2025 |
| 9390 | Rio Rocky Enterprises, Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Dec 2025 |
| 9391 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 9392 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 9393 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Dec 2025 |
| 9394 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Dec 2025 |
| 9395 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 9396 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Dec 2025 |
| 9397 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 9398 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 9399 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 9400 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |