| 30701 | Walterscheid, A. D. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2014 |
| 30702 | Walterscheid, R. F. | Muenster, TX 76252 | Oil & Gas Operator | Oct 1993 |
| 30703 | Waltman Family LP | Maud, OK 74854-2603 | Oil Operator | May 2026 |
| 30704 | Waltman Oil & Gas | Maud, OK 74854-9739 | Oil Operator | Sep 2001 |
| 30705 | Walton Producing Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2005 |
| 30706 | Walton Producing Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2026 |
| 30707 | Walton Properties LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 30708 | Walton, James A. | Midland, TX 79702 | Oil & Gas Operator | Oct 1994 |
| 30709 | Walton, Tara | Copan, OK 74022 | Oil Operator | Feb 2026 |
| 30710 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 30711 | Wam Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2016 |
| 30712 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 30713 | Wandoo Energy, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Dec 2025 |
| 30714 | Wandover Charles T SR | Inverness, FL 34452-7527 | Oil & Gas Operator | Dec 2025 |
| 30715 | Wapi Operating LLC | McCurtain, OK 74944 | Oil & Gas Operator | May 2026 |
| 30716 | Wapiti Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2006 |
| 30717 | Wapiti Oil & Gas LLC | Houston, TX 77024 | Oil Operator | Dec 2011 |
| 30718 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Sep 2026 |
| 30719 | Wapiti Petroleum, LLC | | Oil & Gas Operator | Apr 2026 |
| 30720 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Apr 2026 |
| 30721 | Warbonnet Exploration Company | Houston, TX 77056 | Oil & Gas Operator | Apr 2016 |
| 30722 | Ward & Son* Alfred | | Oil & Gas Operator | Jul 2021 |
| 30723 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 30724 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 30725 | Ward M Haggard Oil And Gas Exploration Inc | | Oil Operator | Jul 2026 |
| 30726 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 30727 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 30728 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | May 2026 |
| 30729 | Ward Trust | Spring, TX 77383 | Oil & Gas Operator | May 2013 |
| 30730 | Ward, Charles Oil Company | Olney, TX 76374 | Oil Operator | Sep 2026 |
| 30731 | Ward, E. B. | Alice, TX 78333 | Oil & Gas Operator | Jun 2001 |
| 30732 | Ward, L. S. | Graham, TX 76450 | Oil & Gas Operator | Jun 2001 |
| 30733 | Ward, Ted G. Jr. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2000 |
| 30734 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
| 30735 | Ward-Williston Drilling Co. | | Oil & Gas Operator | Dec 1994 |
| 30736 | Ware House Industries | Casper, WY 82605 | Oil & Gas Operator | Dec 2013 |
| 30737 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 30738 | Ware, Lonnie | | Oil & Gas Operator | May 2026 |
| 30739 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 30740 | Warfield Management, LLC | Newman, GA 30263 | Gas Operator | Dec 2021 |
| 30741 | Warhorse Midcontinent Operating Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | May 2026 |
| 30742 | Warhorse Oil & Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 30743 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Apr 2026 |
| 30744 | Warner Clifford E | Newark, OH 43055 | Oil Operator | Dec 2022 |
| 30745 | Warner George H | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2014 |
| 30746 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 30747 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 30748 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 30749 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | May 2026 |
| 30750 | Warner Sisters, LLC | Thompsons Sta, TN 37179 | Oil Operator | Sep 2026 |
| 30751 | Warner Ventures Inc | | Oil Operator | Dec 2025 |
| 30752 | Warner, Mark T. Oil Co | Pampa, TX 79065 | Oil & Gas Operator | Jul 2021 |
| 30753 | Warner-Pawel | Alice, TX 78333 | Oil & Gas Operator | Sep 2026 |
| 30754 | Warnock Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2013 |
| 30755 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 30756 | Warrego Oil & Gas LLC | Lander, WY 82520 | Oil Operator | May 2018 |
| 30757 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Jun 2026 |
| 30758 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Sep 2026 |
| 30759 | Warren C J Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 1984 |
| 30760 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 30761 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2025 |
| 30762 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | Jul 2026 |
| 30763 | Warren Enterprises Inc | Gillette, WY 82718 | Oil Operator | Dec 2022 |
| 30764 | Warren Producers Inc | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 30765 | Warren Production Services | Caldwell, TX 77836 | Oil & Gas Operator | Sep 2026 |
| 30766 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Sep 2026 |
| 30767 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 30768 | Warren, Joe H. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2001 |
| 30769 | Warren, Malcolm | Corfu, NY 14036 | Gas Operator | Dec 2025 |
| 30770 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Mar 2026 |
| 30771 | Warrior Inc | Hobbs, NM 88241 | Oil & Gas Operator | Feb 1998 |
| 30772 | Warrior Met Coal Gas, LLC | Brookwood, AL 35444 | Gas Operator | Jun 2026 |
| 30773 | Warrior Resources Inc. | Mexia, TX 76667 | Oil & Gas Operator | Sep 2026 |
| 30774 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Jun 2026 |
| 30775 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
| 30776 | Warwick Oil Corp. | | Oil & Gas Operator | Mar 1990 |
| 30777 | Warwick Poseidon, GP | Nichols Hill, OK 73116 | Gas Operator | Sep 2026 |
| 30778 | Warwick-Artemis, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2026 |
| 30779 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2026 |
| 30780 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2026 |
| 30781 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2026 |
| 30782 | Wasatch Oil & Gas Corp | Farmington, UT 84025-0699 | Oil & Gas Operator | Mar 2002 |
| 30783 | Wash, Robert C. | Forsan, TX 79733 | Oil & Gas Operator | Nov 2000 |
| 30784 | Wash, Robert C. Inc. | Forsan, TX 79733 | Oil & Gas Operator | Sep 2026 |
| 30785 | Washakie Energies Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2019 |
| 30786 | Washakie Oil Company | | Oil & Gas Operator | Dec 1989 |
| 30787 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 30788 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 30789 | Washington Energy Exploration | | Oil & Gas Operator | Dec 1997 |
| 30790 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 30791 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 30792 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 30793 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 30794 | Wasson Billy C | Morris, OK 74445 | Oil & Gas Operator | May 2026 |
| 30795 | Waste TRMT Corp | Washington, PA 15301-0558 | Oil & Gas Operator | Dec 2024 |
| 30796 | Wat Khmer Temple* | | Oil Operator | Dec 2003 |
| 30797 | Watchtower Petroleum LLC | | Oil & Gas Operator | Jun 2025 |
| 30798 | Watco Energy | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2026 |
| 30799 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 30800 | Water Works Engineering, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jan 1998 |