| 23401 | R. H. Davis | | Oil Operator | Apr 2001 |
| 23402 | R. I. P. Operating | | Oil Operator | Oct 1986 |
| 23403 | R. J. Bellevue | | Oil & Gas Operator | May 2026 |
| 23404 | R. J. Davenport | | Oil Operator | May 1985 |
| 23405 | R. J. Oil Co. | Olney, TX 76374 | Oil & Gas Operator | May 2025 |
| 23406 | R. K. G. Engineering, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Sep 2026 |
| 23407 | R. L. Burns Corp. | | Oil & Gas Operator | Feb 1982 |
| 23408 | R. L. Davis | | Oil Operator | Dec 2024 |
| 23409 | R. L. Dempsey | | Oil Operator | Jun 1985 |
| 23410 | R. Lacy Services, LTD. | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 23411 | R. M. Hobbs | | Oil Operator | Sep 2000 |
| 23412 | R. P. Nixon Operations, Inc | Hays, KS 67601 | Oil Operator | May 2026 |
| 23413 | R. Pannell Oil Company | Kilgore, TX 75663 | Oil Operator | Jan 2025 |
| 23414 | R. Scott Price | | Oil & Gas Operator | Dec 1994 |
| 23415 | R. V. Drummond, Et Al | | Oil Operator | Nov 1999 |
| 23416 | R. W. Ellington, Jr. | | Gas Operator | May 1985 |
| 23417 | R. W. Henry | | Oil & Gas Operator | Dec 1999 |
| 23418 | R. W. S. Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Sep 2026 |
| 23419 | R. W. Shull | | Oil & Gas Operator | Dec 1986 |
| 23420 | R. W. Tyson Producing Co. Inc. | | Oil & Gas Operator | Dec 2024 |
| 23421 | R.A. Campbell & Dale Expl | | Oil Operator | Nov 1995 |
| 23422 | R.B.S. Oil & Gas Inc. | San Antonio, TX 78278 | Oil & Gas Operator | Sep 2026 |
| 23423 | R.C.Bertolet & Serio Expl Co | | Oil & Gas Operator | Nov 1992 |
| 23424 | R.C.I. Energy | Alice, TX 78333 | Oil & Gas Operator | Sep 2026 |
| 23425 | R.C.S. Oil, Inc. | Conrad, MT 59425 | Oil Operator | Apr 2026 |
| 23426 | R.C.Taylor Companies, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 23427 | R.Chisum, Jr. & L. Shepherd | | Oil & Gas Operator | Nov 2001 |
| 23428 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Sep 2026 |
| 23429 | R.E. McDowell & Dave Gammill | | Oil Operator | May 1978 |
| 23430 | R.E.D. Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2004 |
| 23431 | R.E.French Oil Company, L.L.C. | Gridley, KS 66852 | Oil Operator | Nov 1999 |
| 23432 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2026 |
| 23433 | R.H.S. Oil Company | | Oil Operator | Nov 2009 |
| 23434 | R.J. Patrick Operating Co. | | Oil & Gas Operator | Jun 2006 |
| 23435 | R.J. Riley Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 23436 | R.K.G. Operations, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jun 2004 |
| 23437 | R.P.Wilson, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Jan 2011 |
| 23438 | R.S. Glaze Drilling | | Oil Operator | Jan 1998 |
| 23439 | R.T. Enterprises Of Kansas, Inc. | Louisburg, KS 66053 | Oil Operator | May 2026 |
| 23440 | R.T.C. Resources, L.P. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 23441 | R/C Holdings, Inc. | | Oil & Gas Operator | Dec 1991 |
| 23442 | R2Q Operating LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2026 |
| 23443 | R3 Operating Corporation | Greenwood VLG, CO 80111 | Oil & Gas Operator | Sep 2026 |
| 23444 | R3 Resources Operating Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Jun 2026 |
| 23445 | R360 Environmental Solutions Of La, LLC | | Oil Operator | Jan 2025 |
| 23446 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 23447 | Ra-Jac LLC | Norman, OK 73069 | Oil & Gas Operator | Jul 2026 |
| 23448 | Raak-Wilson Properties | | Oil & Gas Operator | Dec 1999 |
| 23449 | Rab Oil & Gas LLC | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 2025 |
| 23450 | Rabalais Oil And Gas, Inc. | | Oil & Gas Operator | Sep 2023 |
| 23451 | Rabalais, F.W. Inc. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2023 |
| 23452 | Rabb Contracting Company, L.L.C. | | Oil Operator | Nov 2024 |
| 23453 | Rabb Resources, Limited | | Oil Operator | Dec 2002 |
| 23454 | Rabbitt C Michael | Chicora, PA 16025-1916 | Oil & Gas Operator | Dec 2015 |
| 23455 | Rabco Energy | Amarillo, TX 79120 | Oil & Gas Operator | Apr 2025 |
| 23456 | Rabun Resources | | Gas Operator | Jan 2025 |
| 23457 | Rabwin Oil & Gas, Inc. | | Oil & Gas Operator | Nov 1991 |
| 23458 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 23459 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Jun 2026 |
| 23460 | Rad Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Sep 2026 |
| 23461 | Radco Energy LLC | | Oil Operator | Jan 2025 |
| 23462 | Radco Operations | Sourlake, TX 77659 | Oil Operator | Nov 2002 |
| 23463 | Radco Operations, L.P. | Sourlake, TX 77659 | Oil Operator | Sep 2026 |
| 23464 | Rader Oil Compan | | Oil Operator | May 1987 |
| 23465 | Rader Oil Company | | Oil Operator | May 2026 |
| 23466 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Jun 2026 |
| 23467 | Radiant Oil & Gas Operating Company Inc. | | Oil & Gas Operator | Aug 2015 |
| 23468 | Radius Energy Services, LLC | Montevallo, AL 35115 | Oil & Gas Operator | Dec 2021 |
| 23469 | Radius Operating, LLC | Round Rock, TX 78664 | Oil & Gas Operator | Sep 2026 |
| 23470 | Radke Oil Co., Inc. | | Oil Operator | May 2001 |
| 23471 | Radley Children Trust | El Campo, TX 77437 | Gas Operator | Jul 2007 |
| 23472 | Radley Electric, Inc. | Sourlake, TX 77659 | Oil & Gas Operator | Oct 2001 |
| 23473 | Radley Equipment | Sourlake, TX 77659 | Oil & Gas Operator | May 2000 |
| 23474 | Radley, R. R. | Sourlake, TX 77659 | Oil & Gas Operator | Mar 2008 |
| 23475 | Radley, Terry R., Operator | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2006 |
| 23476 | Radtke, D.E. & Associates, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2004 |
| 23477 | Radzewicz & Assoc-R.C.Bertolet | | Oil Operator | Oct 1985 |
| 23478 | Radzewicz Expl. & DRLG. Corp. | | Oil & Gas Operator | Mar 2011 |
| 23479 | Radzewicz Operating Corporation | | Oil & Gas Operator | Oct 2017 |
| 23480 | Rael Resources LLC | Cowley, WY 82420 | Oil Operator | Jun 2026 |
| 23481 | Raelee Oil LLC | Plainville, KS 67663 | Oil Operator | Jul 2021 |
| 23482 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 23483 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Jun 2026 |
| 23484 | Rafter L Resources, LLC | Bulverde, TX 78163 | Oil Operator | Sep 2026 |
| 23485 | Rafter T Resources LLC | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 23486 | Ragars Oil & Gas Co. | Austin, TX 78746 | Oil & Gas Operator | Sep 2026 |
| 23487 | Ragnar Exploration, LLC | | Oil & Gas Operator | Jun 2026 |
| 23488 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 23489 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 23490 | Raida, Junior V. | Neodesha, KS 66757 | Oil Operator | Jul 2013 |
| 23491 | Raider Oil & Gas Company | MC Camey, TX 79752 | Oil & Gas Operator | Sep 2026 |
| 23492 | Railroad Commission Of Texas | Austin, TX 78701 | Oil Operator | Dec 2004 |
| 23493 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Jun 2026 |
| 23494 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 23495 | Rainbow Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Nov 2002 |
| 23496 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 23497 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 23498 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2025 |
| 23499 | Rainbow Oil And Gas Inc | | Oil & Gas Operator | Jun 2016 |
| 23500 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |