| 26401 | Russ Holden Well SVC | Sheffield, PA 16347-2904 | Oil & Gas Operator | Dec 2024 |
| 26402 | Russco Energy In | | Oil Operator | Jun 1994 |
| 26403 | Russco Energy, Inc. | Gladstone, MO 64118 | Oil Operator | Apr 2002 |
| 26404 | Russell - FT. Trinidad Op., LLC | Tyler, TX 75710 | Oil & Gas Operator | Feb 2026 |
| 26405 | Russell A. Flowers | | Oil Operator | May 1995 |
| 26406 | Russell Bros. Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 26407 | Russell Brothers Oil & Gas | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2004 |
| 26408 | Russell Carl G | Coweta, OK 74429 | Oil & Gas Operator | Mar 2015 |
| 26409 | Russell D Meloy Oil & Gas Co | Enid, OK 73703-1623 | Oil & Gas Operator | Nov 2025 |
| 26410 | Russell E Snider LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |
| 26411 | Russell Gas Co., LLC | Hugoton, KS 67451 | Gas Operator | Sep 2025 |
| 26412 | Russell James E | | Oil Operator | Apr 1994 |
| 26413 | Russell Oil And Gas Company | Weston, WV 26452-0000 | Gas Operator | Dec 2021 |
| 26414 | Russell Oil Company | Haskell, OK 74436 | Oil & Gas Operator | Apr 2014 |
| 26415 | Russell Oil, Inc. | Edmond, OK 73083 | Oil Operator | Sep 2025 |
| 26416 | Russell Operating Company, LLC | Big Lake, TX 76932 | Oil Operator | Feb 2026 |
| 26417 | Russell Resources, Inc. | | Oil & Gas Operator | Dec 1998 |
| 26418 | Russell, C. M. Oil Company | Lubbock, TX 79423 | Oil & Gas Operator | Jan 2008 |
| 26419 | Russell, Gerald W. | Tulsa, OK 74103 | Oil Operator | Feb 1986 |
| 26420 | Russell, John R | | Oil Operator | Mar 2025 |
| 26421 | Russell, L. J. Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 26422 | Russell, Phillip | Colorado City, TX 79512 | Oil & Gas Operator | Feb 2026 |
| 26423 | Russell, T. Operating Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2005 |
| 26424 | Russlynn Properties LLC | Roswell, NM 882014207 | Oil & Gas Operator | May 2011 |
| 26425 | Rust Oil Corp. | Fort Worth, TX 76121 | Oil & Gas Operator | Feb 2026 |
| 26426 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 26427 | Rustler Energy LLC | Lindsay, OK 73052 | Oil & Gas Operator | Nov 2025 |
| 26428 | Ruth Oil Co, LLC | Eunice, NM 88231 | Oil Operator | Mar 2015 |
| 26429 | Ruth Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2010 |
| 26430 | Ruth* Ula Pearl | | Oil & Gas Operator | Sep 2019 |
| 26431 | Ruthco Oil, LLC | Eunice, NM 88231 | Oil Operator | May 2008 |
| 26432 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 26433 | Rutherford, Michael A. | Dallas, TX 75381 | Oil & Gas Operator | May 2000 |
| 26434 | Ruthson Energy, Inc. | Judson, TX 75660 | Oil Operator | Feb 2026 |
| 26435 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Feb 2026 |
| 26436 | Rutledge, Rome | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 26437 | Rutledge-Newsom | Graham, TX 76450 | Oil Operator | Jun 2025 |
| 26438 | Rutta, Jim | Columbus, TX 78934 | Oil & Gas Operator | Dec 1995 |
| 26439 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
| 26440 | RV Borchert Oil Producer | | Oil & Gas Operator | Dec 2024 |
| 26441 | Rvo Petroleum Co. | | Oil & Gas Operator | Feb 1982 |
| 26442 | RVR Operating Co. | Bedford, TX 76021 | Oil & Gas Operator | Jan 2017 |
| 26443 | RW Oil & Gas LLC | Lamont, OK 74643 | Oil & Gas Operator | Dec 2025 |
| 26444 | RW Oil Co | Lovington, NM BAD ADDR | Oil Operator | Nov 1994 |
| 26445 | RW Operating Corp. | Midland, TX 79702 | Oil & Gas Operator | Jul 2016 |
| 26446 | Rwa Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 1999 |
| 26447 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 26448 | Rwit Company Inc | Tulsa, OK 74131-4255 | Oil & Gas Operator | Jul 2018 |
| 26449 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 26450 | RWL Enterprises | | Oil & Gas Operator | Feb 2017 |
| 26451 | RWS Operating Co. LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 26452 | Ry-Co Petroleum | Wann, OK 74083 | Oil & Gas Operator | Feb 2017 |
| 26453 | Ryan Exploration, Inc. | | Oil & Gas Operator | Mar 2012 |
| 26454 | Ryan Petroleum Corp | Oklahoma City, OK 73102-9024 | Oil & Gas Operator | Aug 1994 |
| 26455 | Ryan Petroleum Operating Inc | Oklahoma City, OK 73102-9024 | Oil & Gas Operator | May 1999 |
| 26456 | Ryan, Daniel J. | Oklahoma City, OK 73139 | Oil Operator | Sep 2003 |
| 26457 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 26458 | Ryan, Kristen S. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 26459 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Feb 2026 |
| 26460 | Ryca Energy Partners LLC | | Oil Operator | Nov 2024 |
| 26461 | Ryca Energy, LLC | | Oil & Gas Operator | Mar 2015 |
| 26462 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 26463 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 26464 | Ryholland Fielder, Inc | Delray Beach, FL 33446 | Oil & Gas Operator | Feb 2026 |
| 26465 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Feb 2026 |
| 26466 | S & B Oil Oper - | | Oil Operator | Dec 1996 |
| 26467 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Feb 2026 |
| 26468 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Feb 2026 |
| 26469 | S & C Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 26470 | S & C Oil Co. Inc. | | Oil & Gas Operator | Dec 2025 |
| 26471 | S & C Resources Inc | Cleveland, OK 74020 | Oil Operator | May 2025 |
| 26472 | S & D Energy Associates Inc. | | Gas Operator | Dec 1986 |
| 26473 | S & D LLC | | Oil & Gas Operator | Aug 2022 |
| 26474 | S & D Oil Company | | Oil & Gas Operator | Apr 2020 |
| 26475 | S & D Partnership | Eunice, NM 88231 | Oil Operator | Nov 2025 |
| 26476 | S & G Operating LLC | McLoud, OK 74851 | Oil & Gas Operator | Nov 2025 |
| 26477 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 26478 | S & H Oilfield Enterprises | | Oil & Gas Operator | Sep 2023 |
| 26479 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |
| 26480 | S & H Tank Service Of Okla | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2017 |
| 26481 | S & J Oil | Hays, KS 67601 | Oil Operator | Feb 2002 |
| 26482 | S & J Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Aug 2022 |
| 26483 | S & J Oil Company | Ellinwood, KS 67526 | Oil Operator | Jun 2000 |
| 26484 | S & J Operating | | Oil Operator | May 1989 |
| 26485 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 26486 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 26487 | S & K Oil Compan | | Oil Operator | Sep 1989 |
| 26488 | S & K Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jul 1994 |
| 26489 | S & K Oil Production, Inc. | Blue Mound, KS 66010 | Oil Operator | Sep 2025 |
| 26490 | S & L Energy, Inc.C/O John D. Lawrence, Jr. | Fishtail, MT 59028 | Oil Operator | Oct 2025 |
| 26491 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 26492 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 26493 | S & M Oil | Hays, KS 67601 | Oil Operator | Aug 2003 |
| 26494 | S & M Oil - Craw | | Oil Operator | Dec 1995 |
| 26495 | S & M Production Inc | Pawnee, OK 74058 | Oil & Gas Operator | Aug 2023 |
| 26496 | S & M Royalty | Andrews, TX 79714 | Oil & Gas Operator | Jan 1997 |
| 26497 | S & N Energies, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2002 |
| 26498 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 26499 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 26500 | S & R Gas Ventures LTD. | Sand Fork, WV 26430-0172 | Oil & Gas Operator | Dec 2020 |