| 30601 | Welcome Well Serv. & Boykin Bros | Abilene, TX 79604 | Oil & Gas Operator | Apr 1995 |
| 30602 | Weldbank Energy Corp | Warren, PA 16365-5114 | Oil & Gas Operator | Dec 2023 |
| 30603 | Welder Exploration & Prod., Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2022 |
| 30604 | Welder Operating, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2001 |
| 30605 | Welder-Heyer Energy, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 2001 |
| 30606 | Welderxp LTD. | San Antonio, TX 78212 | Oil & Gas Operator | May 2024 |
| 30607 | Weldon Corporation | Houston, TX 77056 | Oil Operator | Feb 2020 |
| 30608 | Welhausen Operating Co., Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
| 30609 | Welhausen Operating Company, LP | Beeville, TX 78104 | Oil & Gas Operator | Nov 2016 |
| 30610 | Well Management Services Inc | | Oil & Gas Operator | Dec 2001 |
| 30611 | Well Recycling Company | Olney, TX 76374 | Oil Operator | Aug 2005 |
| 30612 | Well Renewal Inc | Tulsa, OK 74103-0091 | Oil Operator | Mar 2015 |
| 30613 | Well Tech Oil And Gas, Inc. | Wichita, KS 67206 | Oil Operator | Sep 2020 |
| 30614 | Well Water Management | | Oil & Gas Operator | Feb 2024 |
| 30615 | Well-Co Solutions, LLC | Batson, TX 77519 | Oil Operator | May 2024 |
| 30616 | Wellco Energy Inc | Oklahoma City, OK 73113-0130 | Oil & Gas Operator | Jan 2024 |
| 30617 | Wellco Production LLC | | Oil & Gas Operator | Jan 2024 |
| 30618 | Wellington Operating Company | | Oil & Gas Operator | Mar 2024 |
| 30619 | Wellmaster Production Co LLC | | Oil & Gas Operator | Jul 2015 |
| 30620 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
| 30621 | Wells Edward K | Sapulpa, OK 74066-4243 | Oil & Gas Operator | Jun 2004 |
| 30622 | Wells Energy Com | | Oil & Gas Operator | Mar 1994 |
| 30623 | Wells Jimme D | Ponca City, OK 74604 | Oil Operator | Jan 2024 |
| 30624 | Wells Oil, LLC | Gridley, KS 66852 | Oil Operator | Jan 2024 |
| 30625 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 30626 | Wells, Michael E. | Springville, NY 14141 | Gas Operator | Dec 2022 |
| 30627 | Wells-Battelstei | | Oil & Gas Operator | Mar 1993 |
| 30628 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Mar 2024 |
| 30629 | Wellsville Oil C | | Oil Operator | Dec 1996 |
| 30630 | Wellsville Oil Co | Wellsville, KS 66092 | Oil Operator | Sep 2000 |
| 30631 | Wellwin Drilling Corporation | Wellington, KS 67152 | Oil & Gas Operator | Jan 2024 |
| 30632 | Welsh Hills Oil & Gas Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1999 |
| 30633 | Wem Joint Venture | Gillette, WY 82716 | Oil & Gas Operator | Sep 2015 |
| 30634 | Wema Natural Res, Inc | Sharon Grove, KY 42280 | Oil Operator | Dec 2021 |
| 30635 | Wen-Be | Jourdanton, TX 78026 | Oil & Gas Operator | May 2024 |
| 30636 | Wendy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2024 |
| 30637 | Wenert Trich | | Oil & Gas Operator | Oct 1988 |
| 30638 | Wenert Trich Oil | | Oil & Gas Operator | Jul 1990 |
| 30639 | Wenexco, Inc. | Streetman, TX 75859 | Oil & Gas Operator | May 2024 |
| 30640 | Wengerd, Noah A. | Sherman, NY 14781 | Gas Operator | Dec 2022 |
| 30641 | Wenner Petroleum Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 1986 |
| 30642 | Wentworth Energy, Inc. | Palestine, TX 75801 | Oil & Gas Operator | Jun 2009 |
| 30643 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Mar 2024 |
| 30644 | Werner Oil Farm | Warren, PA 16365-3608 | Oil & Gas Operator | Dec 2017 |
| 30645 | Werner Oil, Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 1996 |
| 30646 | Wernette, Louis J. | Hondo, TX 78861 | Oil & Gas Operator | May 2024 |
| 30647 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
| 30648 | Wes Pro, Inc. | Jacksboro, TX 76458 | Oil Operator | Jan 2013 |
| 30649 | Wes-Mor Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 30650 | Wes-Mor Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 1994 |
| 30651 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 30652 | Wes-Tex Oil Co. (I) | Bangs, TX 76823 | Oil & Gas Operator | May 2024 |
| 30653 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Mar 2024 |
| 30654 | Wesco Production LLC | | Oil & Gas Operator | Feb 2024 |
| 30655 | Wescor LLC | Hartville, OH 44632 | Oil & Gas Operator | Dec 2023 |
| 30656 | Wesgra Corporation | Mexican Hat, UT 84531 | Oil & Gas Operator | Feb 2024 |
| 30657 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
| 30658 | Wespac Energy, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2019 |
| 30659 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
| 30660 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 30661 | Wessely Energy Corporation | | Oil & Gas Operator | Feb 1989 |
| 30662 | West 40 Production | Ness City, KS 67560 | Oil Operator | Apr 1998 |
| 30663 | West American Energy Corporation | | Oil & Gas Operator | Mar 2024 |
| 30664 | West Barrytown Services, LLC | Gilbertown, AL 36908 | Oil & Gas Operator | Mar 2020 |
| 30665 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Feb 2024 |
| 30666 | West Co., The | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2016 |
| 30667 | West Coast Oil Company | | Oil Operator | Dec 1996 |
| 30668 | West Coast Operators Inc. | | Oil & Gas Operator | Feb 2024 |
| 30669 | West Delta Oil Co. | | Oil & Gas Operator | Jul 2000 |
| 30670 | West Energy Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 30671 | West Fox SWD LLC | | Oil Operator | Feb 2024 |
| 30672 | West Gas Inc | | Oil & Gas Operator | Dec 2017 |
| 30673 | West Hopkins Petroleum Co LP | | Oil & Gas Operator | Jan 2024 |
| 30674 | West Inland Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | May 2024 |
| 30675 | West Kansas Oil | | Oil Operator | Jul 1992 |
| 30676 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
| 30677 | West Largo Corp | Tulsa, OK 74137 | Oil & Gas Operator | Sep 2023 |
| 30678 | West Mountain Operating Co, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2019 |
| 30679 | West Newport Oil Co. | | Oil & Gas Operator | Feb 2024 |
| 30680 | West Oil Resources, LLC | Liberty Hill, TX 78642 | Oil & Gas Operator | May 2024 |
| 30681 | West Operating Company | Seminole, OK 74868-3851 | Oil & Gas Operator | Mar 2015 |
| 30682 | West Petroleum Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2009 |
| 30683 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
| 30684 | West River Energy LLC | Portville, NY 14770 | Oil & Gas Operator | Dec 2022 |
| 30685 | West Side Rentals | | Oil & Gas Operator | Feb 2024 |
| 30686 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 30687 | West Texas Diversified Interests | Eastland, TX 76448 | Oil & Gas Operator | Jun 2006 |
| 30688 | West Texas Exploration Co. | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 30689 | West Texas Oil And Gas Corp. | Houston, TX 77056 | Oil & Gas Operator | Feb 2014 |
| 30690 | West Texas Oil And Gas Oper.,Inc | Houston, TX 77046 | Oil & Gas Operator | May 2024 |
| 30691 | West Texas Operating Co LLC D/B/A Xtreme Energy Co | Victoria, TX 77902-2326 | Oil & Gas Operator | Feb 2024 |
| 30692 | West Texas Operating Company,LLC | Victoria, TX 77902 | Oil & Gas Operator | Mar 2023 |
| 30693 | West Texas Royalties, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 30694 | West Texas Syndicate LLC. | Corpus Chrsti, TX 78414 | Oil Operator | May 2024 |
| 30695 | West Tuleta Operating Corp. | Tuleta, TX 78162 | Oil & Gas Operator | May 2019 |
| 30696 | West VIrginia Land Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
| 30697 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 30698 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
| 30699 | West-States Energy, Inc. | Rimrock, AZ 86335 | Oil Operator | May 2024 |
| 30700 | Westall Oil & Gas Co. | | Oil & Gas Operator | May 1982 |