| 23401 | R.H.S. Oil Company | | Oil Operator | Nov 2009 |
| 23402 | R.J. Patrick Operating Co. | | Oil & Gas Operator | Jun 2006 |
| 23403 | R.J. Riley Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 23404 | R.K.G. Operations, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jun 2004 |
| 23405 | R.P.Wilson, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Jan 2011 |
| 23406 | R.S. Glaze Drilling | | Oil Operator | Jan 1998 |
| 23407 | R.T. Enterprises Of Kansas, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 23408 | R.T.C. Resources, L.P. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 23409 | R/C Holdings, Inc. | | Oil & Gas Operator | Dec 1991 |
| 23410 | R2Q Operating LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2026 |
| 23411 | R3 Operating Corporation | Denver, CO 80222 | Oil & Gas Operator | Apr 2026 |
| 23412 | R3 Resources Operating Corporation | Denver, CO 80222 | Oil & Gas Operator | Jan 2026 |
| 23413 | R360 Environmental Solutions Of La, LLC | | Oil Operator | Jan 2025 |
| 23414 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 23415 | Ra-Jac LLC | Norman, OK 73069 | Oil & Gas Operator | Feb 2026 |
| 23416 | Raak-Wilson Properties | | Oil & Gas Operator | Dec 1999 |
| 23417 | Rab Oil & Gas LLC | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 2025 |
| 23418 | Rabalais Oil And Gas, Inc. | | Oil & Gas Operator | Sep 2023 |
| 23419 | Rabalais, F.W. Inc. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2023 |
| 23420 | Rabb Contracting Company, L.L.C. | | Oil Operator | Nov 2024 |
| 23421 | Rabb Resources, Limited | | Oil Operator | Dec 2002 |
| 23422 | Rabbitt C Michael | Chicora, PA 16025-1916 | Oil & Gas Operator | Dec 2015 |
| 23423 | Rabco Energy | Amarillo, TX 79120 | Oil & Gas Operator | Apr 2025 |
| 23424 | Rabun Resources | | Gas Operator | Jan 2025 |
| 23425 | Rabwin Oil & Gas, Inc. | | Oil & Gas Operator | Nov 1991 |
| 23426 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 23427 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Jan 2026 |
| 23428 | Rad Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Apr 2026 |
| 23429 | Radco Energy LLC | | Oil Operator | Jan 2025 |
| 23430 | Radco Operations | Sourlake, TX 77659 | Oil Operator | Nov 2002 |
| 23431 | Radco Operations, L.P. | Sourlake, TX 77659 | Oil Operator | Apr 2026 |
| 23432 | Rader Oil Compan | | Oil Operator | May 1987 |
| 23433 | Rader Oil Company | | Oil Operator | Dec 2025 |
| 23434 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Jan 2026 |
| 23435 | Radiant Oil & Gas Operating Company, Inc | | Oil & Gas Operator | Aug 2015 |
| 23436 | Radius Energy Services, LLC | Montevallo, AL 35115 | Oil & Gas Operator | Dec 2021 |
| 23437 | Radius Operating, LLC | Round Rock, TX 78664 | Oil & Gas Operator | Apr 2026 |
| 23438 | Radke Oil Co., Inc. | | Oil Operator | May 2001 |
| 23439 | Radley Children Trust | El Campo, TX 77437 | Gas Operator | Jul 2007 |
| 23440 | Radley Electric, Inc. | Sourlake, TX 77659 | Oil & Gas Operator | Oct 2001 |
| 23441 | Radley Equipment | Sourlake, TX 77659 | Oil & Gas Operator | May 2000 |
| 23442 | Radley, R. R. | Sourlake, TX 77659 | Oil & Gas Operator | Mar 2008 |
| 23443 | Radley, Terry R., Operator | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2006 |
| 23444 | Radtke, D.E. & Associates, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2004 |
| 23445 | Radzewicz & Assoc-R.C.Bertolet | | Oil Operator | Oct 1985 |
| 23446 | Radzewicz Expl. & DRLG. Corp. | | Oil & Gas Operator | Mar 2011 |
| 23447 | Radzewicz Operating Corporation | | Oil & Gas Operator | Oct 2017 |
| 23448 | Rael Resources LLC | Cowley, WY 82420 | Oil Operator | Nov 2025 |
| 23449 | Raelee Oil LLC | Plainville, KS 67663 | Oil Operator | Jul 2021 |
| 23450 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 23451 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Jan 2026 |
| 23452 | Rafter L Resources, LLC | Bulverde, TX 78163 | Oil Operator | Apr 2026 |
| 23453 | Rafter T Resources LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 23454 | Ragars Oil & Gas Co. | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 23455 | Ragnar Exploration, LLC | | Oil & Gas Operator | Feb 2026 |
| 23456 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 23457 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 23458 | Raida, Junior V. | Neodesha, KS 66757 | Oil Operator | Jul 2013 |
| 23459 | Raider Oil & Gas Company | MC Camey, TX 79752 | Oil & Gas Operator | Apr 2026 |
| 23460 | Railroad Commission Of Texas | Austin, TX 78701 | Oil Operator | Dec 2004 |
| 23461 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Jan 2026 |
| 23462 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 23463 | Rainbow Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Nov 2002 |
| 23464 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 23465 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 23466 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 23467 | Rainbow Oil And Gas Inc | | Oil & Gas Operator | Jun 2016 |
| 23468 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 23469 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 23470 | Rainbow Producing Company | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 23471 | Rainbow Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2007 |
| 23472 | Rainbow Seven Oil & Gas, Inc. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2026 |
| 23473 | Rainer Energy, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2026 |
| 23474 | Rainey, Wayne | Sweetwater, TX 79556 | Oil & Gas Operator | Feb 2019 |
| 23475 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 23476 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 23477 | Rains & Williamson Oil Co Inc | Wichita, KS 67277 | Oil & Gas Operator | Dec 2025 |
| 23478 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 23479 | Rainwater, John | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 23480 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 23481 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 23482 | Rajoil Inc. | Vernon, TX 76384 | Oil & Gas Operator | Aug 2003 |
| 23483 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2026 |
| 23484 | Rakestraw Bros., L.L.C | El Dorado, KS 67042 | Oil & Gas Operator | Dec 2019 |
| 23485 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Jan 2026 |
| 23486 | Ralph C Bruton | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2007 |
| 23487 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 23488 | Ralph E Shorts Drilling | Polk, OH 44866 | Oil & Gas Operator | Dec 2025 |
| 23489 | Ralph E Williamson | San Antonio, TX 78239 | Oil & Gas Operator | Dec 2013 |
| 23490 | Ralph L Albright Drilling | Reno, NV 89511-7627 | Oil & Gas Operator | Dec 1991 |
| 23491 | Ralph L. Leaderbrand | | Oil & Gas Operator | Dec 1996 |
| 23492 | Ralph, C D | Owensboro, KY 42301 | Oil Operator | Dec 2004 |
| 23493 | Ralph, Terry D | Utica, KY 42376 | Oil Operator | Dec 2023 |
| 23494 | Ralyn Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Apr 2026 |
| 23495 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 23496 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Feb 2026 |
| 23497 | Ram Energy LLC (Ok) | | Oil & Gas Operator | Feb 2018 |
| 23498 | Ram Management Company, Inc. | | Oil & Gas Operator | Sep 1984 |
| 23499 | Ram Oil & Gas | Blackwell, OK 74631 | Oil & Gas Operator | May 2013 |
| 23500 | Ram Oil And Gas, Inc. | Walsh, CO 81090 | Oil & Gas Operator | Apr 2026 |