| 31801 | Whiteside, Robert | Comanche, TX 76442 | Oil & Gas Operator | May 1998 |
| 31802 | Whitetail Crude | | Oil Operator | Nov 1996 |
| 31803 | Whitetail Crude, Inc | Ness City, KS 67560 | Oil & Gas Operator | Mar 2025 |
| 31804 | Whitetail Operators LLC | | Oil Operator | Nov 2021 |
| 31805 | Whitewing & Whitewing Oil LLC | | Oil & Gas Operator | May 2004 |
| 31806 | Whitewing Resources LLC | | Oil & Gas Operator | Jun 2014 |
| 31807 | Whitfield Energy | Midland, TX 79702 | Oil & Gas Operator | Jan 1999 |
| 31808 | Whiting Door Manufacturing Corp. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 31809 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 31810 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 31811 | Whiting Well Partnership | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 31812 | Whitley Oil & Gas Inc | Owasso, OK 74055 | Oil & Gas Operator | Jun 2009 |
| 31813 | Whitley Robert L | Saint Louis, OK 74866-0004 | Oil & Gas Operator | Sep 2014 |
| 31814 | Whitley, William W | Denver, CO 80209 | Oil & Gas Operator | Dec 1983 |
| 31815 | Whitlock, J.R. Operator | Amarillo, TX 79105 | Gas Operator | Jul 1997 |
| 31816 | Whitlow Energy, Inc. | Spring Hill, KS 66083 | Oil & Gas Operator | Mar 2025 |
| 31817 | Whitman-Dome Energy Corporation | San Diego, CA 92101 | Oil & Gas Operator | Nov 1996 |
| 31818 | Whitmar Exploration Company | Denver, CO 80202 | Oil & Gas Operator | Apr 2025 |
| 31819 | Whitmar Natural Resources Co | Tulsa, OK 74136-9998 | Oil & Gas Operator | Jun 2004 |
| 31820 | Whitmar Operating Company | Tulsa, OK 74103-3515 | Oil & Gas Operator | Apr 2009 |
| 31821 | Whitnam Oil & Gas Corp. | Glenville, WV 26351 | Oil & Gas Operator | Dec 2009 |
| 31822 | Whitney Oil & Gas Co, LLC | | Oil & Gas Operator | Dec 2017 |
| 31823 | Whitney Oil & Gas, LLC | | Oil & Gas Operator | Jan 2025 |
| 31824 | Whitney Oil And Gas Corp | | Oil & Gas Operator | Oct 1988 |
| 31825 | Whitney Thomas C | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 31826 | Whitney, Ben | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 31827 | Whitson, James A., Jr. | Houston, TX 77063 | Oil & Gas Operator | Nov 2011 |
| 31828 | Whitt Investments, Inc. | Graham, TX 76450 | Oil Operator | Dec 2019 |
| 31829 | Whitt Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 31830 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |
| 31831 | Whitten Energy Corp. | Houston, TX 77090 | Oil & Gas Operator | Jul 2025 |
| 31832 | Whittier Energy Company | Farmington, NM 87499 | Oil & Gas Operator | Nov 2002 |
| 31833 | Whittier Operating Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2007 |
| 31834 | Whittington Curtis | Stonewall, OK 74871-0482 | Oil & Gas Operator | Feb 2011 |
| 31835 | Whittington Energy Co. | Melbourne, FL 32901 | Oil & Gas Operator | Jul 2025 |
| 31836 | Whittington Operating Company | Houston, TX 77069 | Oil & Gas Operator | Jul 2025 |
| 31837 | Whittington, G. R. | Amarillo, TX 79109 | Oil & Gas Operator | Jan 1994 |
| 31838 | Whittington, G. R. Estate | Amarillo, TX 79109 | Oil & Gas Operator | Mar 2008 |
| 31839 | Whittington, James C., Inc. | Dallas, TX 75214 | Oil & Gas Operator | Jan 2017 |
| 31840 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 31841 | WHK, Inc. | | Oil & Gas Operator | Oct 1993 |
| 31842 | WHL Oil Corp. | Houston, TX 77227 | Oil & Gas Operator | Sep 1998 |
| 31843 | Whomble O O | Morris, OK 74445 | Oil Operator | Jun 2021 |
| 31844 | WHR Corporation | | Oil & Gas Operator | Jul 2014 |
| 31845 | Wible Limited Liability Co | Edmond, OK 73012 | Oil Operator | Oct 2024 |
| 31846 | Wichita Falls Oil Expl. Co. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2025 |
| 31847 | Wichita Industri | | Oil Operator | Nov 1987 |
| 31848 | Wichita Operating Company, Inc. | Spring, TX 77393 | Oil & Gas Operator | May 2009 |
| 31849 | Wichita River Oil Corporation | Englewood, CO 80111 | Oil & Gas Operator | Apr 2009 |
| 31850 | Wick'S Petroleum | | Oil Operator | Aug 1983 |
| 31851 | Wicker Oil Co | | Oil & Gas Operator | Feb 1992 |
| 31852 | Wicker, La. Cent. & Clovelly | | Gas Operator | Jul 1983 |
| 31853 | Wickham, R. R. | | Oil Operator | Jan 1980 |
| 31854 | Wicklund Enterprises Inc | | Oil Operator | Dec 2024 |
| 31855 | Wicklund Petroleum Corporation | Naples, FL 34108-0108 | Oil & Gas Operator | Dec 2019 |
| 31856 | Widener, A.C. Farms, Inc. | Hudson, KS 67545 | Oil Operator | Dec 2009 |
| 31857 | Widrig Donald N | | Oil Operator | May 1988 |
| 31858 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Mar 2025 |
| 31859 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 31860 | Wieck Oil Company LLC | Cromwell, OK 74859 | Oil Operator | Aug 2014 |
| 31861 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 31862 | Wiepking-Fullerton Energy LLC | | Oil & Gas Operator | May 2025 |
| 31863 | Wieser Oil LLC | | Oil & Gas Operator | Dec 2024 |
| 31864 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 31865 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Mar 2025 |
| 31866 | Wigington, James Robert | Ackerly, TX 79713 | Oil & Gas Operator | Aug 2003 |
| 31867 | Wigner, David H Jr | Franklin, KY 42134 | Oil Operator | Dec 2023 |
| 31868 | Wikel, David W | | Oil Operator | Apr 2025 |
| 31869 | Wil-Mar Operations | Duncan, OK 73534-1566 | Oil & Gas Operator | Oct 2016 |
| 31870 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 31871 | Wil-MC Oil Corporation The | Irving, TX 75015-2510 | Oil & Gas Operator | Mar 1999 |
| 31872 | Wil-Ron Inc | Lucien, OK 73757-9710 | Oil & Gas Operator | Apr 2025 |
| 31873 | Wilbanks Energy Corporation | Houston, TX 77036 | Oil & Gas Operator | Dec 2001 |
| 31874 | Wilbanks Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
| 31875 | Wilbanks Reserve Corporation | Denver, CO 80203 | Oil & Gas Operator | Jul 2025 |
| 31876 | Wilbanks, Bruce & G.L. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 31877 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 31878 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 31879 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 31880 | Wilburn Wolfe L | Erie, PA 16506-5039 | Gas Operator | Dec 2000 |
| 31881 | Wilchar, DR. R. B. | Fort Worth, TX 76185 | Oil & Gas Operator | Jan 2007 |
| 31882 | Wilco Oil & Gas Corporation | Oklahoma City, OK 73159-6229 | Oil & Gas Operator | Dec 2023 |
| 31883 | Wilco Oil Gas & Expl. Corp. | | Oil & Gas Operator | Mar 1979 |
| 31884 | Wilco Operating | Monahans, TX 79756 | Oil & Gas Operator | Jul 2025 |
| 31885 | Wilco Properties, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jan 2004 |
| 31886 | Wilco-Placentia Oil Operator LLC | | Oil & Gas Operator | May 2025 |
| 31887 | Wilcobill Corporation | | Oil Operator | Dec 1986 |
| 31888 | Wilcox Energy Company | | Oil & Gas Operator | May 2025 |
| 31889 | Wilcox Energy Company LLC | Rule, TX 79547 | Oil & Gas Operator | Jul 2025 |
| 31890 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 31891 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 31892 | Wilcox Operating Company | | Oil Operator | Dec 1989 |
| 31893 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Jul 2025 |
| 31894 | Wilcox Petroleum Operating LLC. | Rule, TX 79547 | Oil & Gas Operator | Jul 2025 |
| 31895 | Wilcox Pipe & Supply Co | Oklahoma City, OK 73189 | Oil & Gas Operator | May 2006 |
| 31896 | Wilcox Ventures, LLC | | Oil & Gas Operator | Jun 2025 |
| 31897 | Wilcoxson Brothers | Terral, OK 73569 | Oil Operator | Mar 2008 |
| 31898 | Wild Cat Operating Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 31899 | Wild Goose Storage LLC | | Gas Operator | May 2025 |
| 31900 | Wild Horse Energy | Paducah, TX 79248 | Oil & Gas Operator | Jul 2025 |