| 1401 | Workover One, Inc. | | Oil & Gas Operator | Jul 1989 |
| 1402 | World Energy Corporation | Laredo, TX 78041 | Oil & Gas Operator | Aug 2003 |
| 1403 | World Hydrocarbon, Inc. | Kaufman, TX 75142 | Gas Operator | Apr 1995 |
| 1404 | World Mission Society Church Of God | New Windsor, NY 12553 | Gas Operator | Dec 2025 |
| 1405 | World Oil | | Oil & Gas Operator | Nov 1998 |
| 1406 | World Oil & Gas Expl., Inc. | | Oil & Gas Operator | Mar 1988 |
| 1407 | World Producers, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1994 |
| 1408 | Worldwide Energy | | Oil & Gas Operator | May 1989 |
| 1409 | Worldwide Energy Corporation | Freer, TX 78357 | Oil & Gas Operator | Jan 1997 |
| 1410 | Worldwide Exploration, Inc | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2002 |
| 1411 | Worsham Petroleum | Denver, CO 80209 | Gas Operator | Aug 2001 |
| 1412 | Worsham-Steed Gas Storage, L.P. | Houston, TX 77002 | Oil & Gas Operator | Aug 2010 |
| 1413 | Worsham-Steed Gas Storage, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Sep 2026 |
| 1414 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 1415 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 1416 | Worstell Oil Co LLC | Collinsville, OK 74021-5918 | Oil Operator | Dec 2025 |
| 1417 | Worth Drilling | | Oil Operator | Jun 1993 |
| 1418 | Wortham Oil & Gas | Conroe, TX 77301 | Oil & Gas Operator | Sep 2026 |
| 1419 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 1420 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1421 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |
| 1422 | Wortham, Michael R. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1423 | Worthington Oil Co Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1989 |
| 1424 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 1425 | WP Oil & Gas Exploration LLC | Loving, TX 76460 | Oil Operator | Sep 2026 |
| 1426 | WP Oil LLC | Owasso, OK 74055 | Oil Operator | May 2026 |
| 1427 | WPH Operating Company | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2017 |
| 1428 | WPX Energy Gulf Coast, LP | Benbrook, TX 76126 | Oil & Gas Operator | May 2012 |
| 1429 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 1430 | WPX Energy Permian, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2026 |
| 1431 | WPX Energy Production, LLC | Tulsa, OK 741013102 | Oil & Gas Operator | Nov 2020 |
| 1432 | WPX Energy RM Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2014 |
| 1433 | WPX Energy Rocky Mountain LLC | Tulsa, OK 74101 | Oil & Gas Operator | May 2026 |
| 1434 | WPX Energy Williston, LLC | | Oil & Gas Operator | Sep 2025 |
| 1435 | WR Oil & Gas LLC | Plano, TX 75024-3523 | Oil & Gas Operator | May 2026 |
| 1436 | WR Resources, LLC | Jourdanton, TX 78026 | Oil & Gas Operator | Sep 2026 |
| 1437 | Wrath Energy, LLC | Odessa, TX 79760 | Oil Operator | Sep 2026 |
| 1438 | Wrather Jr J D | Beverly Hills, CA 90210-4724 | Oil & Gas Operator | Mar 1993 |
| 1439 | Wray-Vernau Partnership | Newark, OH 43055 | Oil & Gas Operator | Dec 1988 |
| 1440 | WRC Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jul 2026 |
| 1441 | WRD Oil, LLC | Floresville, TX 78114 | Oil & Gas Operator | Sep 2026 |
| 1442 | WRD Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 1443 | Wren Investments | | Oil Operator | Feb 1991 |
| 1444 | Wrestler Ronald | | Oil Operator | Dec 1994 |
| 1445 | Wrestler, David L., A General Partnership | Humboldt, KS 66748 | Oil Operator | Apr 2026 |
| 1446 | Wrestler, Ronald D., A General Partnership | Elsmore, KS 66732 | Oil Operator | Apr 2025 |
| 1447 | Wright Brothers Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Sep 2026 |
| 1448 | Wright Brothers Petroleum, LTD. | San Antonio, TX 78212 | Oil & Gas Operator | May 2002 |
| 1449 | Wright Jerry L | Crescent, OK 73028-0474 | Oil & Gas Operator | Jun 2013 |
| 1450 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 1451 | Wright Oil And Gas, LLC | Benbrook, TX 76126 | Oil & Gas Operator | Sep 2026 |
| 1452 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | Sep 2026 |
| 1453 | Wright Production Company | | Oil Operator | Jun 1990 |
| 1454 | Wright Richard | Ratliff City, OK 73481-0155 | Oil & Gas Operator | Mar 2015 |
| 1455 | Wright Trucking, Inc. | Weatherford, OK 73096 | Oil & Gas Operator | Feb 2019 |
| 1456 | Wright V Gerald | Cushing, OK 74023 | Oil & Gas Operator | Nov 2003 |
| 1457 | Wright, Erbe & Oil Assoc.& Tubbs | Thayer, KS 66776 | Oil Operator | Apr 2005 |
| 1458 | Wright, Robert W. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 1459 | Wright, Robert W. Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 1460 | Wrights Drilling | Cortez, CO 81321 | Oil & Gas Operator | Oct 1983 |
| 1461 | Wroten Wiley Jr | Dallas, TX 75252 | Oil & Gas Operator | Jun 1994 |
| 1462 | WRP Energy Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2017 |
| 1463 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
| 1464 | WS Ritter Critters, LLC | Groom, TX 79039 | Gas Operator | Sep 2026 |
| 1465 | WSF, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2013 |
| 1466 | WSM | New Braunfels, TX 78132 | Oil Operator | Sep 2026 |
| 1467 | WSR Operating, LLC | Oklahoma City, OK 73131 | Oil & Gas Operator | Mar 2026 |
| 1468 | WT Fitts Operating | Bowie, TX 76230 | Oil & Gas Operator | Sep 2026 |
| 1469 | WTG Exploration | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 1470 | WTG Exploration Inc | Midland, TX 79705 | Oil & Gas Operator | Dec 2023 |
| 1471 | Wti 1993 LTD | FT. Collins, CO 80526 | Oil & Gas Operator | Apr 1995 |
| 1472 | WTP Energy, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Sep 2026 |
| 1473 | WTR Operating LLC | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 1474 | WTXR Operating (Texas), Inc. | Carrollton, TX 75007 | Oil Operator | Sep 2026 |
| 1475 | Wulf Oil Co | | Oil & Gas Operator | Dec 1984 |
| 1476 | Wulf Oil Corp. | | Oil & Gas Operator | Dec 1985 |
| 1477 | WV Wells, LTD | Salem, WV 26426 | Oil & Gas Operator | Nov 2021 |
| 1478 | WVH Operating LLC | Aledo, TX 76008 | Oil Operator | Sep 2026 |
| 1479 | WW Park 51 LLC | Claremore, OK 74017 | Oil Operator | May 2026 |
| 1480 | Wy Basin Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jun 2026 |
| 1481 | Wy Woodland Operating, LLC | Covington, TX 76636 | Oil & Gas Operator | Sep 2026 |
| 1482 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 1483 | Wyant Exploration Co | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2025 |
| 1484 | Wyatt Permian, LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Sep 2026 |
| 1485 | Wyatt Petroleum Corporation | Evergreen, CO 80437 | Gas Operator | Jul 2002 |
| 1486 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 1487 | Wyatt'S Oil Corporation | | Oil & Gas Operator | May 2026 |
| 1488 | Wyble L. Ollie | | Oil & Gas Operator | Dec 1988 |
| 1489 | Wychgram Daniel C | Thermopolis, WY 82443 | Oil Operator | Feb 2001 |
| 1490 | Wyckoff Gas Storage Company, LLC | | Gas Operator | Dec 2006 |
| 1491 | Wyco Oil & Gas LLC | Odessa, TX 79766 | Oil & Gas Operator | Jan 2024 |
| 1492 | Wykoma Oil Incor | | Oil & Gas Operator | Jul 1990 |
| 1493 | Wylee Petroleum Corporation | | Oil & Gas Operator | Dec 1984 |
| 1494 | Wylie Bros. Prod. & DRGL. Co,Inc | Baird, TX 79504 | Oil & Gas Operator | Sep 2026 |
| 1495 | Wylie Henry C | Ratliff City, OK 73481-0102 | Oil Operator | May 2020 |
| 1496 | Wylie, Fred, Jr. | Moran, TX 76464 | Oil & Gas Operator | Oct 2022 |
| 1497 | Wyllys, John A. & Joyce E. | Randolph, NY 14772 | Gas Operator | Dec 2025 |
| 1498 | Wyman* Louis M Dba Wyman Inc | | Oil & Gas Operator | Jun 2026 |
| 1499 | Wynco Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Sep 2026 |
| 1500 | Wynn Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |