| 31401 | Wescor LLC | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 31402 | Wesgra Corporation | Mexican Hat, UT 84531 | Oil & Gas Operator | Aug 2025 |
| 31403 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
| 31404 | Wespac Energy, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2019 |
| 31405 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
| 31406 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 31407 | Wessely Energy Corporation | | Oil & Gas Operator | Feb 1989 |
| 31408 | West 40 Production | Ness City, KS 67560 | Oil Operator | Apr 1998 |
| 31409 | West American Energy Corporation | | Oil & Gas Operator | Sep 2025 |
| 31410 | West Barrytown Services, LLC | Gilbertown, AL 36908 | Oil & Gas Operator | Mar 2020 |
| 31411 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Aug 2025 |
| 31412 | West Co., The | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2016 |
| 31413 | West Coast Oil Company | | Oil Operator | Dec 1996 |
| 31414 | West Coast Operators Inc. | | Oil & Gas Operator | Sep 2025 |
| 31415 | West Delta Oil Co. | | Oil & Gas Operator | Jul 2000 |
| 31416 | West Energy Operating LLC | | Oil & Gas Operator | Sep 2025 |
| 31417 | West Fox SWD LLC | Ratliff City, OK 73481 | Oil Operator | Aug 2025 |
| 31418 | West Gas Inc | | Oil & Gas Operator | Dec 2017 |
| 31419 | West Hopkins Petroleum Co LP | | Oil & Gas Operator | Sep 2025 |
| 31420 | West Inland Energy, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Nov 2025 |
| 31421 | West Kansas Oil | | Oil Operator | Jul 1992 |
| 31422 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
| 31423 | West Largo Corp | Tulsa, OK 74137 | Oil & Gas Operator | Sep 2023 |
| 31424 | West Mountain Operating Co, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2019 |
| 31425 | West Newport Oil Co. | | Oil & Gas Operator | Aug 2025 |
| 31426 | West Oil Resources, LLC | Liberty Hill, TX 78642 | Oil & Gas Operator | Nov 2025 |
| 31427 | West Operating Company | Seminole, OK 74868-3851 | Oil & Gas Operator | Mar 2015 |
| 31428 | West Petroleum Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2009 |
| 31429 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
| 31430 | West River Energy LLC | Portville, NY 14770 | Oil & Gas Operator | Dec 2024 |
| 31431 | West Side Exploration, LLC | | Oil & Gas Operator | Aug 2025 |
| 31432 | West Side Rentals | | Oil & Gas Operator | Aug 2025 |
| 31433 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 31434 | West Texas Diversified Interests | Eastland, TX 76448 | Oil & Gas Operator | Jun 2006 |
| 31435 | West Texas Exploration Co. | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 31436 | West Texas Oil And Gas Corp. | Houston, TX 77056 | Oil & Gas Operator | Feb 2014 |
| 31437 | West Texas Oil And Gas Oper.,Inc | Houston, TX 77046 | Oil & Gas Operator | Jul 2024 |
| 31438 | West Texas Operating Co LLC D/B/A Xtreme Energy Co | Victoria, TX 77902-2326 | Oil & Gas Operator | Aug 2025 |
| 31439 | West Texas Royalties, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 31440 | West Texas Syndicate LLC. | Corpus Chrsti, TX 78414 | Oil Operator | Nov 2025 |
| 31441 | West Tuleta Operating Corp. | Tuleta, TX 78162 | Oil & Gas Operator | May 2019 |
| 31442 | West VIrginia Land Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
| 31443 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 31444 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
| 31445 | West-States Energy, Inc. | Rimrock, AZ 86335 | Oil Operator | Nov 2025 |
| 31446 | Westall Oil & Gas Co. | | Oil & Gas Operator | May 1982 |
| 31447 | Westall-Mask | Roswell, NM 88201 | Oil & Gas Operator | Dec 1994 |
| 31448 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 31449 | Westar Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 31450 | Westar Oil & Minerals | | Oil Operator | Feb 1999 |
| 31451 | Westbrook Oil & Gas Co. Inc. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2025 |
| 31452 | Westbrook Oil Corp | Jal, NM 88252 | Oil & Gas Operator | May 2018 |
| 31453 | Westburne Petroleum Inc | | Oil Operator | Jun 1990 |
| 31454 | Westco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Nov 2025 |
| 31455 | Westech Energy C | | Oil & Gas Operator | Dec 1996 |
| 31456 | Westech Energy Corporation | Denver, CO 80237 | Oil & Gas Operator | Mar 2011 |
| 31457 | Westek Resources, Inc. | | Oil & Gas Operator | Jan 2004 |
| 31458 | Westend Operating LLC | Collinsville, OK 74021 | Oil Operator | Jul 2025 |
| 31459 | Westerly Exploration, Inc. | Houston, TX 77256 | Oil & Gas Operator | Nov 2025 |
| 31460 | Western Alliance Petroleum | | Oil & Gas Operator | Dec 1987 |
| 31461 | Western American Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2024 |
| 31462 | Western Avenue Properties | | Oil & Gas Operator | Dec 1993 |
| 31463 | Western Chief Oil & Gas Company | Graham, TX 76450 | Oil & Gas Operator | Jul 2009 |
| 31464 | Western Chief Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 31465 | Western Continental Operating Company | | Oil & Gas Operator | Dec 2007 |
| 31466 | Western Discovery USA Inc. | | Oil & Gas Operator | Jan 2018 |
| 31467 | Western Disposal Systems, Inc. | Corrales, NM 87048 | Oil Operator | Nov 2025 |
| 31468 | Western Division Investments Inc | Enid, OK 73701 | Oil & Gas Operator | Jul 2021 |
| 31469 | Western DRLG. Co. | Longview, TX 75604 | Oil & Gas Operator | Nov 1996 |
| 31470 | Western Energy Group, LLC | Leander, TX 78641 | Oil & Gas Operator | Nov 2025 |
| 31471 | Western Energy Management, Inc. | Austin, TX 78716 | Oil & Gas Operator | Aug 1997 |
| 31472 | Western Engineering, Inc. | | Oil Operator | Dec 1998 |
| 31473 | Western Exploration, Inc. | | Oil Operator | May 1984 |
| 31474 | Western Farmers Electric Coop | Anadarko, OK 73005-0429 | Oil & Gas Operator | Apr 2012 |
| 31475 | Western Field Exploration, Inc. | Dilley, TX 78017 | Oil & Gas Operator | Nov 2025 |
| 31476 | Western Frontier Adventure, LLC | Easton, KS 66020 | Oil Operator | Dec 2019 |
| 31477 | Western Fuel & S | | Oil Operator | Oct 1987 |
| 31478 | Western Gas Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 31479 | Western Gas Resources Storage | Denver, CO 80234 | Oil & Gas Operator | Jun 1999 |
| 31480 | Western Global Oil, Inc | Deerfld Beach, FL 33442 | Oil Operator | Nov 2025 |
| 31481 | Western Gulf Oil & Gas Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jul 2000 |
| 31482 | Western Gulf Oil & Gas, LLC | Bishop, TX 78343 | Oil & Gas Operator | Nov 2025 |
| 31483 | Western Hemisphere Group | Buffalo, NY 14218 | Oil & Gas Operator | Dec 1993 |
| 31484 | Western Interior Energy Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 31485 | Western Interior Oil & Gas Corp | Casper, WY 82602 | Oil & Gas Operator | May 2015 |
| 31486 | Western Kansas E | | Oil Operator | Aug 1993 |
| 31487 | Western Meadowlark Resources LLC | Denver, CO 80206 | Oil & Gas Operator | Aug 2025 |
| 31488 | Western Metals Corporation | | Oil & Gas Operator | Sep 2025 |
| 31489 | Western Mountain Resources LLC | Cogan Station, PA 17728 | Oil & Gas Operator | Jul 2025 |
| 31490 | Western Natl Resource Expl LLC | Oklahoma City, OK 73154-0755 | Oil & Gas Operator | Mar 2015 |
| 31491 | Western Natural Gas | | Oil & Gas Operator | Aug 1974 |
| 31492 | Western Natural Gas Company | Shelby, MT 59474 | Oil & Gas Operator | Jul 2025 |
| 31493 | Western Natural Resources Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2015 |
| 31494 | Western New York Drilling Associates 1, L.P. | Buffalo, NY 14201 | Oil & Gas Operator | Dec 2024 |
| 31495 | Western Oil & Gas Development Co. | Robinson, IL 62454 | Oil Operator | Jun 2000 |
| 31496 | Western Oil & Minerals LTD | Farmington, NM 874991228 | Oil & Gas Operator | Sep 2025 |
| 31497 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Aug 2025 |
| 31498 | Western Oil Comp | | Oil Operator | Aug 1989 |
| 31499 | Western Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jul 2014 |
| 31500 | Western Oil Independent LLC | | Oil & Gas Operator | Dec 2016 |