| 9301 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jul 2025 |
| 9302 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Mar 2025 |
| 9303 | River City Resources Inc | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 9304 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Jul 2025 |
| 9305 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 9306 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jul 2025 |
| 9307 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Jul 2025 |
| 9308 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 9309 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jul 2025 |
| 9310 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Jul 2025 |
| 9311 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Jul 2025 |
| 9312 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 9313 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Jul 2025 |
| 9314 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | May 2025 |
| 9315 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Jul 2025 |
| 9316 | RLB Enterprises, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Feb 1997 |
| 9317 | RLB Investments LLC | Holdenville, OK 74848-9421 | Oil Operator | Jul 2017 |
| 9318 | RLM Energy Company Inc. | Monroe, LA 71201 | Oil & Gas Operator | Mar 2008 |
| 9319 | RLS Oil Company | Tulia, TX 79088 | Oil & Gas Operator | Jul 2025 |
| 9320 | Rlu Oil & Gas, Inc. | Devine, TX 78016 | Oil & Gas Operator | Jul 2025 |
| 9321 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Jul 2025 |
| 9322 | RMB Operating LLC | Lubbock, TX 79493 | Oil & Gas Operator | Jul 2025 |
| 9323 | RMC Petroleum, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1996 |
| 9324 | Rme Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2002 |
| 9325 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 9326 | Rmor Production | Kilgore, TX 75662 | Oil Operator | Jul 2025 |
| 9327 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 9328 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Jul 2025 |
| 9329 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 9330 | RMX Oil & Gas, LLC | Zapata, TX 78076 | Oil Operator | Jul 2025 |
| 9331 | RNS Oil Co. | Rio Grande Ci, TX 78582 | Oil Operator | Jul 2025 |
| 9332 | Ro-Jo, Inc. | Highland VLG, TX 75077 | Oil & Gas Operator | Aug 2003 |
| 9333 | Roach, R. Byron Trustee | Judson, TX 75660 | Oil & Gas Operator | Mar 1999 |
| 9334 | Roach, R. Byron, Trustee, LLC | Judson, TX 75660 | Oil & Gas Operator | Mar 2007 |
| 9335 | Road Oil Sales Inc. | Tyler, TX 75711 | Oil Operator | Dec 1984 |
| 9336 | Roanoke Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 1995 |
| 9337 | Roaring Springs Energy, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2010 |
| 9338 | Rob-Joe Gas & Oil Co. | Ranger, TX 76470 | Oil & Gas Operator | Jul 2025 |
| 9339 | Robbins Energy, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 9340 | Robbins Petroleum Corp. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 9341 | Robbins, L. C. | Seguin, TX 78155 | Oil & Gas Operator | Aug 2003 |
| 9342 | Robby Kohutek, Inc. | Ballinger, TX 76821 | Oil & Gas Operator | Jul 2025 |
| 9343 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | May 2025 |
| 9344 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 9345 | Robert C. Brower, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jul 2025 |
| 9346 | Robert T. Epperson Prod Co, LLC | Tyler, TX 75713 | Gas Operator | Dec 2017 |
| 9347 | Roberts & Hammack, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jul 2025 |
| 9348 | Roberts & Murphy, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Apr 2016 |
| 9349 | Roberts & Roberts Enterprise,Inc | Levelland, TX 79336 | Oil & Gas Operator | Jun 1996 |
| 9350 | Robertson Resources, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jul 2025 |
| 9351 | Robertson, French M. Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 1995 |
| 9352 | Robertson, Gene Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 1998 |
| 9353 | Robertson, T. L. Operating Co. | Cross Plains, TX 76443 | Oil & Gas Operator | May 2004 |
| 9354 | Robertson-Bryce Management, LLC | Tyler, TX 75701 | Oil & Gas Operator | Jul 2025 |
| 9355 | Robin Of Perryton Corporation | Perryton, TX 79070 | Oil & Gas Operator | Jul 2025 |
| 9356 | Robin Of Perryton, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Dec 1995 |
| 9357 | Robin, Jack, Co. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Dec 2017 |
| 9358 | Robinett Resources Inc. | Longview, TX 75601 | Oil & Gas Operator | Dec 1999 |
| 9359 | Robinson Drilling Of Texas | Big Spring, TX 79721 | Oil & Gas Operator | Oct 1996 |
| 9360 | Robinson Oil & Gas, Inc. | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 9361 | Robinson Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 9362 | Robinson Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Aug 2012 |
| 9363 | Robinson, Irvin | Abilene, TX 79608 | Oil & Gas Operator | May 1999 |
| 9364 | Robison, J. H. & Assoc. LTD. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 1996 |
| 9365 | Robuck Petroleum, LLC | Nacogdoches, TX 75965 | Oil & Gas Operator | Jul 2025 |
| 9366 | Roc Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2013 |
| 9367 | Roc Operating, Inc. | Plano, TX 75093 | Oil & Gas Operator | Oct 2008 |
| 9368 | Roca Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 9369 | Roca Production, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Jul 2025 |
| 9370 | Roca Resource Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 9371 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 9372 | Rocc Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
| 9373 | Rocc Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Jul 2025 |
| 9374 | Rocinante | Houston, TX 77058 | Oil Operator | Jul 2025 |
| 9375 | Rock Bottom Oil, GP, L.L.C. | Nacogdoches, TX 75963 | Oil & Gas Operator | Jul 2025 |
| 9376 | Rock Creek Oil Co. | Iowa Park, TX 76367 | Oil Operator | Mar 2008 |
| 9377 | Rock Creek Oil, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2019 |
| 9378 | Rock Energy Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jul 2025 |
| 9379 | Rock Fish Operating LLC | McKinney, TX 75070 | Oil & Gas Operator | Jul 2025 |
| 9380 | Rock Hill Operating | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 9381 | Rock Operating | Abilene, TX 79608 | Oil & Gas Operator | Jul 2025 |
| 9382 | Rock Petroleum, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2024 |
| 9383 | Rock Resources, Inc. | Corpus Chrsti, TX 78414 | Oil & Gas Operator | Jul 2025 |
| 9384 | Rock Solid Operating, LLC | Southlake, TX 76092 | Oil Operator | Sep 2021 |
| 9385 | Rock Well Petroleum (U.S.), Inc. | Canada, 00100 | Oil & Gas Operator | Sep 2014 |
| 9386 | Rockbridge Oil & Gas | Houston, TX 77027 | Oil & Gas Operator | Mar 1990 |
| 9387 | Rockbridge Oil And Gas, Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1997 |
| 9388 | Rockcliff Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 9389 | Rockdale Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2020 |
| 9390 | Rockdale Resources Corporation | Houston, TX 77024 | Oil Operator | Jul 2016 |
| 9391 | Rockefeller Hughes (USA) LLC | Houston, TX 77027 | Oil & Gas Operator | Jul 2015 |
| 9392 | Rocker A Operating Company | Post, TX 79356 | Oil & Gas Operator | Aug 2022 |
| 9393 | Rocker B Production, L.L.C. | Graham, TX 76450 | Gas Operator | Jul 2025 |
| 9394 | Rockford Energy Partners II, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2007 |
| 9395 | Rockford Energy Partners III,LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2012 |
| 9396 | Rockford Panhandle, LLC | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2008 |
| 9397 | Rockin C Production, L.L.C. | Nocona, TX 76255 | Oil Operator | May 2025 |
| 9398 | Rockin' D, LLC | Big Spring, TX 79720 | Oil & Gas Operator | Mar 2024 |
| 9399 | Rocking Lazy Little B Ranch Oil | Cedar Creek, TX 78612 | Oil Operator | Apr 2011 |
| 9400 | Rocking R Investments, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2025 |