| 31601 | Wells Energy Com | | Oil & Gas Operator | Mar 1994 |
| 31602 | Wells Jimme D | Ponca City, OK 74604 | Oil Operator | Mar 2025 |
| 31603 | Wells Oil Compan | | Gas Operator | Sep 1984 |
| 31604 | Wells Oil, LLC | Gridley, KS 66852 | Oil Operator | Feb 2025 |
| 31605 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 31606 | Wells, Michael E. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 31607 | Wells-Battelstei | | Oil & Gas Operator | Mar 1993 |
| 31608 | Wells-Battelstein O&G, Inc. | | Gas Operator | Dec 1986 |
| 31609 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Apr 2025 |
| 31610 | Wellsville Oil C | | Oil Operator | Dec 1996 |
| 31611 | Wellsville Oil Co | Wellsville, KS 66092 | Oil Operator | Sep 2000 |
| 31612 | Wellwin Drilling | | Oil & Gas Operator | Dec 1994 |
| 31613 | Wellwin Drilling Corporation | Wellington, KS 67152 | Oil & Gas Operator | Feb 2025 |
| 31614 | Welsh Hills Oil & Gas Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1999 |
| 31615 | Wem Joint Venture | Gillette, WY 82716 | Oil & Gas Operator | Sep 2015 |
| 31616 | Wem Operating, LLC | Provo, UT 84604 | Oil & Gas Operator | Apr 2025 |
| 31617 | Wema Natural Res, Inc | Sharon Grove, KY 42280 | Oil Operator | Dec 2021 |
| 31618 | Wen-Be | Jourdanton, TX 78026 | Oil & Gas Operator | Jun 2025 |
| 31619 | Wendy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2025 |
| 31620 | Wenert Trich | | Oil & Gas Operator | Oct 1988 |
| 31621 | Wenert Trich Oil | | Oil & Gas Operator | Jul 1990 |
| 31622 | Wenexco, Inc. | Streetman, TX 75859 | Oil & Gas Operator | Jun 2025 |
| 31623 | Wengerd, Noah A. | Sherman, NY 14781 | Gas Operator | Dec 2023 |
| 31624 | Wenner Petroleum Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 1986 |
| 31625 | Wente Exploration Inc | Oklahoma City, OK 73102 | Gas Operator | Oct 2011 |
| 31626 | Wentworth Energy, Inc. | Palestine, TX 75801 | Oil & Gas Operator | Jun 2009 |
| 31627 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Apr 2025 |
| 31628 | Wentworth Production Company | | Oil & Gas Operator | Aug 1985 |
| 31629 | Werner Oil Farm | Warren, PA 16365-3608 | Oil & Gas Operator | Dec 2024 |
| 31630 | Werner Oil, Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 1996 |
| 31631 | Wernette, Louis J. | Hondo, TX 78861 | Oil & Gas Operator | Sep 2023 |
| 31632 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
| 31633 | Wes Oil & Gas LLC | Clarks Mills, PA 16114-1912 | Gas Operator | Dec 2024 |
| 31634 | Wes Pro, Inc. | Jacksboro, TX 76458 | Oil Operator | Jan 2013 |
| 31635 | Wes-Mor Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 31636 | Wes-Mor Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 1994 |
| 31637 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 31638 | Wes-Tex Oil Co. (I) | Bangs, TX 76823 | Oil & Gas Operator | Jun 2025 |
| 31639 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Apr 2025 |
| 31640 | Wesco Production LLC | | Oil & Gas Operator | Feb 2025 |
| 31641 | Wescor LLC | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 31642 | Wesgra Corporation | Mexican Hat, UT 84531 | Oil & Gas Operator | Mar 2025 |
| 31643 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
| 31644 | Wespac Energy, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2019 |
| 31645 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
| 31646 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 31647 | Wessely Energy Corporation | | Oil & Gas Operator | Feb 1989 |
| 31648 | West 40 Production | Ness City, KS 67560 | Oil Operator | Apr 1998 |
| 31649 | West American Energy Corporation | | Oil & Gas Operator | Apr 2025 |
| 31650 | West Barrytown Services, LLC | Gilbertown, AL 36908 | Oil & Gas Operator | Mar 2020 |
| 31651 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Mar 2025 |
| 31652 | West Co., The | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2016 |
| 31653 | West Coast Oil Company | | Oil Operator | Dec 1996 |
| 31654 | West Coast Operators Inc. | | Oil & Gas Operator | Mar 2025 |
| 31655 | West Delta Oil Co. | | Oil & Gas Operator | Jul 2000 |
| 31656 | West Energy Operating LLC | | Oil & Gas Operator | Mar 2025 |
| 31657 | West Fox SWD LLC | Ratliff City, OK 73481 | Oil Operator | Mar 2025 |
| 31658 | West Gas Inc | | Oil & Gas Operator | Dec 2017 |
| 31659 | West Hopkins Petroleum Co LP | | Oil & Gas Operator | Apr 2025 |
| 31660 | West Inland Energy, Inc. | N Richlnd HLS, TX 76182 | Oil & Gas Operator | May 2025 |
| 31661 | West Kansas Oil | | Oil Operator | Jul 1992 |
| 31662 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
| 31663 | West Largo Corp | Tulsa, OK 74137 | Oil & Gas Operator | Sep 2023 |
| 31664 | West Mountain Operating Co, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2019 |
| 31665 | West Newport Oil Co. | | Oil & Gas Operator | Mar 2025 |
| 31666 | West Oil Resources, LLC | Liberty Hill, TX 78642 | Oil & Gas Operator | Jun 2025 |
| 31667 | West Operating Company | Seminole, OK 74868-3851 | Oil & Gas Operator | Mar 2015 |
| 31668 | West Petroleum Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2009 |
| 31669 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
| 31670 | West River Energy LLC | Portville, NY 14770 | Oil & Gas Operator | Dec 2023 |
| 31671 | West Side Exploration, LLC | | Oil & Gas Operator | Jan 2025 |
| 31672 | West Side Rentals | | Oil & Gas Operator | Mar 2025 |
| 31673 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 31674 | West Texas Assets, LLC | Fort Worth, TX 76108 | Gas Operator | May 2018 |
| 31675 | West Texas Diversified Interests | Eastland, TX 76448 | Oil & Gas Operator | Jun 2006 |
| 31676 | West Texas Exploration Co. | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 31677 | West Texas Oil And Gas Corp. | Houston, TX 77056 | Oil & Gas Operator | Feb 2014 |
| 31678 | West Texas Oil And Gas Oper.,Inc | Houston, TX 77046 | Oil & Gas Operator | Jul 2024 |
| 31679 | West Texas Operating Co LLC D/B/A Xtreme Energy Co | Victoria, TX 77902-2326 | Oil & Gas Operator | Mar 2025 |
| 31680 | West Texas Royalties, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 31681 | West Texas Syndicate LLC. | Corpus Chrsti, TX 78414 | Oil Operator | Jun 2025 |
| 31682 | West Tuleta Operating Corp. | Tuleta, TX 78162 | Oil & Gas Operator | May 2019 |
| 31683 | West VIrginia Land Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
| 31684 | West William W | Gallipolis, OH 45631 | Oil & Gas Operator | Dec 2024 |
| 31685 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 31686 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
| 31687 | West-States Energy, Inc. | Rimrock, AZ 86335 | Oil Operator | Jun 2025 |
| 31688 | Westall Oil & Gas Co. | | Oil & Gas Operator | May 1982 |
| 31689 | Westall-Mask | Roswell, NM 88201 | Oil & Gas Operator | Dec 1994 |
| 31690 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 31691 | Westar Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 31692 | Westar Oil & Minerals | | Oil Operator | Feb 1999 |
| 31693 | Westbrook Oil & Gas Co. Inc. | Gainesville, TX 76240 | Oil & Gas Operator | Jun 2025 |
| 31694 | Westbrook Oil Corp | Jal, NM 88252 | Oil & Gas Operator | May 2018 |
| 31695 | Westburne Petroleum Inc | | Oil Operator | Jun 1990 |
| 31696 | Westco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jun 2025 |
| 31697 | Westech Energy C | | Oil & Gas Operator | Dec 1996 |
| 31698 | Westech Energy Corporation | Denver, CO 80237 | Oil & Gas Operator | Mar 2011 |
| 31699 | Westek Resources, Inc. | | Oil & Gas Operator | Jan 2004 |
| 31700 | Westend Operating LLC | Collinsville, OK 74021 | Oil Operator | Mar 2025 |