| 25401 | Russ Holden Well SVC | Sheffield, PA 16347-2904 | Oil & Gas Operator | Dec 2024 |
| 25402 | Russco Energy In | | Oil Operator | Jun 1994 |
| 25403 | Russco Energy, Inc. | Gladstone, MO 64118 | Oil Operator | Apr 2002 |
| 25404 | Russell - FT. Trinidad Op., LLC | Tyler, TX 75710 | Oil & Gas Operator | Nov 2025 |
| 25405 | Russell A. Flowers | | Oil Operator | May 1995 |
| 25406 | Russell Bros. Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2025 |
| 25407 | Russell Brothers Oil & Gas | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2004 |
| 25408 | Russell Carl G | Coweta, OK 74429 | Oil & Gas Operator | Mar 2015 |
| 25409 | Russell D Meloy Oil & Gas Co | Enid, OK 73703-1623 | Oil & Gas Operator | Aug 2025 |
| 25410 | Russell E Snider LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |
| 25411 | Russell Gas Co., LLC | Hugoton, KS 67451 | Gas Operator | Jun 2025 |
| 25412 | Russell James E | | Oil Operator | Apr 1994 |
| 25413 | Russell Oil And Gas Company | Weston, WV 26452-0000 | Gas Operator | Dec 2021 |
| 25414 | Russell Oil Company | Haskell, OK 74436 | Oil & Gas Operator | Apr 2014 |
| 25415 | Russell Oil, Inc. | Edmond, OK 73083 | Oil Operator | Jun 2025 |
| 25416 | Russell Operating Company, LLC | Big Lake, TX 76932 | Oil Operator | Nov 2025 |
| 25417 | Russell Resources, Inc. | | Oil & Gas Operator | Dec 1998 |
| 25418 | Russell, C. M. Oil Company | Lubbock, TX 79423 | Oil & Gas Operator | Jan 2008 |
| 25419 | Russell, Gerald W. | Tulsa, OK 74103 | Oil Operator | Feb 1986 |
| 25420 | Russell, John R | | Oil Operator | Mar 2025 |
| 25421 | Russell, L. J. Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Nov 2025 |
| 25422 | Russell, Phillip | Colorado City, TX 79512 | Oil & Gas Operator | Nov 2025 |
| 25423 | Russell, T. Operating Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2005 |
| 25424 | Rust Oil Corp. | Fort Worth, TX 76121 | Oil & Gas Operator | Nov 2025 |
| 25425 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 25426 | Rustler Energy LLC | Lindsay, OK 73052 | Oil & Gas Operator | Jul 2025 |
| 25427 | Ruth Oil Co, LLC | Eunice, NM 88231 | Oil Operator | Mar 2015 |
| 25428 | Ruth Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2010 |
| 25429 | Ruthco Oil, LLC | Eunice, NM 88231 | Oil Operator | May 2008 |
| 25430 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 25431 | Rutherford, Michael A. | Dallas, TX 75381 | Oil & Gas Operator | May 2000 |
| 25432 | Ruthson Energy, Inc. | Judson, TX 75660 | Oil Operator | Nov 2025 |
| 25433 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Nov 2025 |
| 25434 | Rutledge, Rome | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 25435 | Rutledge-Newsom | Graham, TX 76450 | Oil Operator | Jun 2025 |
| 25436 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
| 25437 | RV Borchert Oil Producer | | Oil & Gas Operator | Dec 2024 |
| 25438 | Rvo Petroleum Co. | | Oil & Gas Operator | Feb 1982 |
| 25439 | RVR Operating Co. | Bedford, TX 76021 | Oil & Gas Operator | Jan 2017 |
| 25440 | RW Oil & Gas LLC | Lamont, OK 74643 | Oil & Gas Operator | Aug 2025 |
| 25441 | RW Oil Co | Lovington, NM BAD ADDR | Oil Operator | Nov 1994 |
| 25442 | RW Operating Corp. | Midland, TX 79702 | Oil & Gas Operator | Jul 2016 |
| 25443 | Rwa Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 1999 |
| 25444 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Nov 2025 |
| 25445 | Rwit Company Inc | Tulsa, OK 74131-4255 | Oil & Gas Operator | Jul 2018 |
| 25446 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2025 |
| 25447 | RWL Enterprises | | Oil & Gas Operator | Feb 2017 |
| 25448 | RWS Operating Co. LLC | Kilgore, TX 75663 | Oil Operator | Nov 2025 |
| 25449 | Ry-Co Petroleum | Wann, OK 74083 | Oil & Gas Operator | Feb 2017 |
| 25450 | Ryan Exploration, Inc. | | Oil & Gas Operator | Mar 2012 |
| 25451 | Ryan Petroleum Corp | Oklahoma City, OK 73102-9024 | Oil & Gas Operator | Aug 1994 |
| 25452 | Ryan, Daniel J. | Oklahoma City, OK 73139 | Oil Operator | Sep 2003 |
| 25453 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 25454 | Ryan, Kristen S. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 25455 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Nov 2025 |
| 25456 | Ryca Energy Partners LLC | | Oil Operator | Nov 2024 |
| 25457 | Ryca Energy, LLC | | Oil & Gas Operator | Mar 2015 |
| 25458 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 25459 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 25460 | Ryholland Fielder, Inc | Delray Beach, FL 33446 | Oil & Gas Operator | Nov 2025 |
| 25461 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Nov 2025 |
| 25462 | S & B Oil Oper - | | Oil Operator | Dec 1996 |
| 25463 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Nov 2025 |
| 25464 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Nov 2025 |
| 25465 | S & C Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 25466 | S & C Oil Co. Inc. | | Oil & Gas Operator | Sep 2025 |
| 25467 | S & C Resources Inc | Cleveland, OK 74020 | Oil Operator | May 2025 |
| 25468 | S & D Energy Associates Inc. | | Gas Operator | Dec 1986 |
| 25469 | S & D LLC | | Oil & Gas Operator | Aug 2022 |
| 25470 | S & D Partnership | Eunice, NM 88231 | Oil Operator | Sep 2025 |
| 25471 | S & G Operating LLC | McLoud, OK 74851 | Oil & Gas Operator | Aug 2025 |
| 25472 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 25473 | S & H Oilfield Enterprises | | Oil & Gas Operator | Sep 2023 |
| 25474 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Nov 2025 |
| 25475 | S & H Tank Service Of Okla | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2017 |
| 25476 | S & J Oil | Hays, KS 67601 | Oil Operator | Feb 2002 |
| 25477 | S & J Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Aug 2022 |
| 25478 | S & J Oil Company | Ellinwood, KS 67526 | Oil Operator | Jun 2000 |
| 25479 | S & J Operating | | Oil Operator | May 1989 |
| 25480 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 25481 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 25482 | S & K Oil Compan | | Oil Operator | Sep 1989 |
| 25483 | S & K Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jul 1994 |
| 25484 | S & K Oil Production, Inc. | Blue Mound, KS 66010 | Oil Operator | Jun 2025 |
| 25485 | S & L Energy, Inc.C/O John D. Lawrence, Jr. | Fishtail, MT 59028 | Oil Operator | Jun 2025 |
| 25486 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 25487 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 25488 | S & M Oil | Hays, KS 67601 | Oil Operator | Aug 2003 |
| 25489 | S & M Oil - Craw | | Oil Operator | Dec 1995 |
| 25490 | S & M Production Inc | Pawnee, OK 74058 | Oil & Gas Operator | Aug 2023 |
| 25491 | S & M Royalty | Andrews, TX 79714 | Oil & Gas Operator | Jan 1997 |
| 25492 | S & N Energies, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2002 |
| 25493 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 25494 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 25495 | S & R Gas Ventures LTD. | Sand Fork, WV 26430-0172 | Oil & Gas Operator | Dec 2020 |
| 25496 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 25497 | S & R Operating | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 25498 | S & S & H Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jul 2004 |
| 25499 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |
| 25500 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |