| 1501 | Worth Drilling | | Oil Operator | Jun 1993 |
| 1502 | Wortham Oil & Gas | Conroe, TX 77301 | Oil & Gas Operator | Feb 2026 |
| 1503 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 1504 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1505 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |
| 1506 | Wortham, Michael R. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1507 | Worthington Jack | Ramona, OK 74061 | Gas Operator | Jun 1996 |
| 1508 | Worthington Oil Co Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1989 |
| 1509 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 1510 | Wortman Farms, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2017 |
| 1511 | WP Oil & Gas Exploration LLC | Loving, TX 76460 | Oil Operator | Feb 2026 |
| 1512 | WP Oil LLC | Owasso, OK 74055 | Oil Operator | Oct 2025 |
| 1513 | WPH Operating Company | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2017 |
| 1514 | WPX Energy Gulf Coast, LP | Benbrook, TX 76126 | Oil & Gas Operator | May 2012 |
| 1515 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 1516 | WPX Energy Permian, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 1517 | WPX Energy Production, LLC | Tulsa, OK 741013102 | Oil & Gas Operator | Nov 2020 |
| 1518 | WPX Energy RM Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2014 |
| 1519 | WPX Energy Rocky Mountain LLC | Tulsa, OK 74101 | Oil & Gas Operator | Dec 2024 |
| 1520 | WPX Energy Williston, LLC | | Oil & Gas Operator | Sep 2025 |
| 1521 | WR Oil & Gas LLC | Plano, TX 75024-3523 | Oil & Gas Operator | Oct 2025 |
| 1522 | WR Resources, LLC | Jourdanton, TX 78026 | Oil & Gas Operator | Feb 2026 |
| 1523 | Wrath Energy, LLC | Odessa, TX 79760 | Oil Operator | Feb 2026 |
| 1524 | Wrather Jr J D | Beverly Hills, CA 90210-4724 | Oil & Gas Operator | Mar 1993 |
| 1525 | Wray-Vernau Partnership | Newark, OH 43055 | Oil & Gas Operator | Dec 1988 |
| 1526 | WRC Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2025 |
| 1527 | WRD Oil, LLC | Floresville, TX 78114 | Oil & Gas Operator | Feb 2026 |
| 1528 | WRD Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 1529 | Wren Investments | | Oil Operator | Feb 1991 |
| 1530 | Wrestler Ronald | | Oil Operator | Dec 1994 |
| 1531 | Wrestler, David L., A General Partnership | Humboldt, KS 66748 | Oil Operator | Sep 2025 |
| 1532 | Wrestler, Ronald D., A General Partnership | Elsmore, KS 66732 | Oil Operator | Apr 2025 |
| 1533 | Wright Aurora Enterprises, LLC | Canyon Lake, TX 78133 | Oil & Gas Operator | May 2020 |
| 1534 | Wright Brothers Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 1535 | Wright Brothers Petroleum, LTD. | San Antonio, TX 78212 | Oil & Gas Operator | May 2002 |
| 1536 | Wright Jerry L | Crescent, OK 73028-0474 | Oil & Gas Operator | Jun 2013 |
| 1537 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 1538 | Wright Oil And Gas, LLC | Benbrook, TX 76126 | Oil & Gas Operator | Feb 2026 |
| 1539 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | Feb 2026 |
| 1540 | Wright Production Company | | Oil Operator | Jun 1990 |
| 1541 | Wright Richard | Ratliff City, OK 73481-0155 | Oil & Gas Operator | Mar 2015 |
| 1542 | Wright Trucking, Inc. | Weatherford, OK 73096 | Oil & Gas Operator | Feb 2019 |
| 1543 | Wright V Gerald | Cushing, OK 74023 | Oil & Gas Operator | Nov 2003 |
| 1544 | Wright, Erbe & Oil Assoc.& Tubbs | Thayer, KS 66776 | Oil Operator | Apr 2005 |
| 1545 | Wright, Robert W. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 1546 | Wright, Robert W. Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 1547 | Wrights Drilling | Cortez, CO 81321 | Oil & Gas Operator | Oct 1983 |
| 1548 | Wroten Wiley Jr | Dallas, TX 75252 | Oil & Gas Operator | Jun 1994 |
| 1549 | WRP Energy Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2017 |
| 1550 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
| 1551 | WS Ritter Critters, LLC | Groom, TX 79039 | Gas Operator | Feb 2026 |
| 1552 | WSF, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2013 |
| 1553 | WSM | New Braunfels, TX 78132 | Oil Operator | Feb 2026 |
| 1554 | WT Fitts Operating | Bowie, TX 76230 | Oil & Gas Operator | Feb 2026 |
| 1555 | WTG Exploration | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 1556 | WTG Exploration Inc | Midland, TX 79705 | Oil & Gas Operator | Dec 2023 |
| 1557 | Wti 1993 LTD | FT. Collins, CO 80526 | Oil & Gas Operator | Apr 1995 |
| 1558 | WTP Energy, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 1559 | WTR Operating LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1560 | WTXR Operating (Texas), Inc. | Carrollton, TX 75007 | Oil Operator | Feb 2026 |
| 1561 | Wulf Oil Co | | Oil & Gas Operator | Dec 1984 |
| 1562 | Wulf Oil Corp. | | Oil & Gas Operator | Dec 1985 |
| 1563 | WV BD. Directors-State College System | Charleston, WV 25301-0000 | Gas Operator | Dec 2017 |
| 1564 | WV Wells, LTD | | Oil & Gas Operator | Nov 2021 |
| 1565 | WVH Operating LLC | Aledo, TX 76008 | Oil Operator | Feb 2026 |
| 1566 | WW Park 51 LLC | Claremore, OK 74017 | Oil Operator | Sep 2025 |
| 1567 | WX Company LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2017 |
| 1568 | Wy Basin Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 1569 | Wy Woodland Operating, LLC | Covington, TX 76636 | Oil & Gas Operator | Feb 2026 |
| 1570 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 1571 | Wyant Exploration Co | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2024 |
| 1572 | Wyatt Permian, LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Feb 2026 |
| 1573 | Wyatt Petroleum Corporation | Evergreen, CO 80437 | Gas Operator | Jul 2002 |
| 1574 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 1575 | Wyatt'S Oil Corporation | | Oil & Gas Operator | Oct 2025 |
| 1576 | Wyble L. Ollie | | Oil & Gas Operator | Dec 1988 |
| 1577 | Wychgram Daniel C | Thermopolis, WY 82443 | Oil Operator | Feb 2001 |
| 1578 | Wyckoff Gas Storage Company, LLC | | Gas Operator | Dec 2006 |
| 1579 | Wyco Oil & Gas LLC | Odessa, TX 79766 | Oil & Gas Operator | Jan 2024 |
| 1580 | Wykoma Oil Incor | | Oil & Gas Operator | Jul 1990 |
| 1581 | Wylee Petroleum Corporation | | Oil & Gas Operator | Dec 1984 |
| 1582 | Wylie Bros. Prod. & DRGL. Co,Inc | Baird, TX 79504 | Oil & Gas Operator | Feb 2026 |
| 1583 | Wylie Henry C | Ratliff City, OK 73481-0102 | Oil Operator | May 2020 |
| 1584 | Wylie, Fred, Jr. | Moran, TX 76464 | Oil & Gas Operator | Oct 2022 |
| 1585 | Wyllys, John A. & Joyce E. | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 1586 | Wyman* Louis M Dba Wyman Inc | | Oil & Gas Operator | Dec 2024 |
| 1587 | Wynco Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Feb 2026 |
| 1588 | Wynn Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 1589 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 1590 | Wynn-Crosby Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 1591 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 1592 | Wynne Petroleum Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 1997 |
| 1593 | Wyoil Corp | Buffalo, WY 82834 | Oil Operator | Aug 2025 |
| 1594 | Wyoming Diamond A LLC | Cheyenne, WY 82007 | Gas Operator | Feb 2026 |
| 1595 | Wyoming Mineral Exploration LLC | Casper, WY 82602 | Oil Operator | Dec 2006 |
| 1596 | Wyoming Oil & Minerals Inc | Casper, WY 82601 | Oil & Gas Operator | Jun 2001 |
| 1597 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |
| 1598 | Wyoming Western Oil | Pine Bluffs, WY 82082 | Oil Operator | Sep 2019 |
| 1599 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Oct 2025 |