| 13801 | Hughes-Leckelt-Maybrier PRDCRS | | Oil Operator | Mar 2022 |
| 13802 | Hughes-Nicklaus Oil Co., LTD. | | Oil & Gas Operator | Feb 1986 |
| 13803 | Hughey, Gaylord T. SR. Oper. Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1998 |
| 13804 | Hughey, W. R., Operating Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2005 |
| 13805 | Hugoton Energy C | | Oil & Gas Operator | Feb 2004 |
| 13806 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 13807 | Hugoton Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2025 |
| 13808 | Hugus Investment Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | May 2025 |
| 13809 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 13810 | Huitt Joe A Rev Trust | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2009 |
| 13811 | Hulen Operating Company | Nichols Hill, OK 73116 | Oil & Gas Operator | May 2025 |
| 13812 | Hull Enterprises Inc | Broken Arrow, OK 74012 | Oil & Gas Operator | Sep 2023 |
| 13813 | Hull Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2021 |
| 13814 | Hull, Gerald Walter | Leicester, NY 14481 | Gas Operator | Dec 2023 |
| 13815 | Hulse Steve & Frank | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2000 |
| 13816 | Hulse, J. T. | Archer City, TX 76351 | Oil & Gas Operator | May 2025 |
| 13817 | Hulse, Tommy P. | Archer City, TX 76351 | Oil & Gas Operator | Feb 2009 |
| 13818 | Hulsebosch, Jessica | Elmira, NY 14901 | Gas Operator | Dec 2023 |
| 13819 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
| 13820 | Hulsey Oil Company | Dallas, TX 75205 | Oil & Gas Operator | Aug 1999 |
| 13821 | Humak Processors, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Aug 2005 |
| 13822 | Humber Oil Company | Albany, TX 76430 | Oil & Gas Operator | May 2025 |
| 13823 | Humble Oil & Refining Co. | Houston, TX 77252 | Oil & Gas Operator | Jan 2000 |
| 13824 | Humedel Land & Minerals, Inc. | Jourdanton, TX 78026 | Oil & Gas Operator | Mar 2008 |
| 13825 | Humerickhouse Oil, LLC | Ottawa, KS 66067 | Oil Operator | Jan 2025 |
| 13826 | Humerickhouse, Donald L. | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 13827 | Hummingbird Oil, LLC | Sedan, KS 67361 | Oil Operator | Jan 2025 |
| 13828 | Hummon Corp. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2023 |
| 13829 | Humphrey Mark | Morris, OK 74445-2816 | Oil & Gas Operator | Sep 2021 |
| 13830 | Humphrey, Thos.D. Oil Prop.,Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Aug 1999 |
| 13831 | Humphrey-Bashford Oil, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2010 |
| 13832 | Hungerford Oil & Gas Inc | Helena, OK 73741 | Oil & Gas Operator | Nov 2000 |
| 13833 | Hungerford Oil Partners | Williamsville, NY 14221 | Oil Operator | Dec 2023 |
| 13834 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 13835 | Hunt Chris Water Hauling Contractor Inc | Keyes, OK 73947-0004 | Oil Operator | Jun 2008 |
| 13836 | Hunt Cimarron Limited Partnership | Roswell, NM 88202 | Oil & Gas Operator | Mar 2025 |
| 13837 | Hunt Cimarron LTD. Partnership | Roswell, NM 88202 | Oil & Gas Operator | May 2025 |
| 13838 | Hunt Energy Corporation | | Oil & Gas Operator | Feb 2002 |
| 13839 | Hunt Engineering Inc | Norman, OK 73069-4093 | Oil & Gas Operator | Feb 2019 |
| 13840 | Hunt Enterprises | | Oil & Gas Operator | Feb 2025 |
| 13841 | Hunt Industries, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2000 |
| 13842 | Hunt Investment Corporation | | Oil & Gas Operator | Jun 1989 |
| 13843 | Hunt Marcellus Opr Co LLC | Wilcox, PA 15870 | Oil & Gas Operator | Jan 2019 |
| 13844 | Hunt Oil Co., Et Al | | Oil & Gas Operator | Nov 1992 |
| 13845 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | May 2025 |
| 13846 | Hunt Oil, LLC | Garnett, KS 66032 | Oil Operator | Feb 2024 |
| 13847 | Hunt Operating, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | May 2025 |
| 13848 | Hunt Petroleum (Aec), Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13849 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13850 | Hunt Petroleum, Inc. | Houston, TX 772511350 | Oil & Gas Operator | Nov 2002 |
| 13851 | Hunt, H L | Dallas, TX 75202-2785 | Oil & Gas Operator | Feb 2020 |
| 13852 | Hunt, Hassie Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13853 | Hunt, K Metal | | Oil & Gas Operator | Dec 2021 |
| 13854 | Hunt, WM. Herbert, Trust Est. | Dallas, TX 75201 | Oil & Gas Operator | Sep 1998 |
| 13855 | Hunter & Hedrick Production, Inc | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 1995 |
| 13856 | Hunter & McDonald | Wichita Falls, TX 76309 | Oil & Gas Operator | Jul 2001 |
| 13857 | Hunter Brothers | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2007 |
| 13858 | Hunter Edison Oil Development Limited Partnership | | Oil & Gas Operator | Mar 2025 |
| 13859 | Hunter Energy, Inc. | Hurst, TX 76053 | Oil & Gas Operator | May 2025 |
| 13860 | Hunter Oil & Gas Co. | Bangs, TX 76823 | Oil & Gas Operator | May 2025 |
| 13861 | Hunter Oil & Gas, LLC | | Oil & Gas Operator | Oct 2001 |
| 13862 | Hunter Oil Corporation | Gruver, TX 79040 | Gas Operator | May 2025 |
| 13863 | Hunter Petroleum Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2014 |
| 13864 | Hunter, Rocquelle | Coleman, TX 76834 | Oil Operator | May 2025 |
| 13865 | Hunters Creek Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | May 2025 |
| 13866 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |
| 13867 | Huntington Beach Company | | Oil & Gas Operator | Dec 1998 |
| 13868 | Huntington Beach Pacific Coast Enterprises LLC | | Oil & Gas Operator | Jan 2018 |
| 13869 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | May 2025 |
| 13870 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 13871 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 13872 | Huntington Signal Oil Company | | Oil & Gas Operator | Dec 1997 |
| 13873 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | May 2025 |
| 13874 | Huntley & Huntley Inc | Monroeville, PA 15146-2302 | Oil & Gas Operator | Dec 2019 |
| 13875 | Huntlyn Operating, LLC | | Oil & Gas Operator | Sep 2022 |
| 13876 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 13877 | Hunton Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2025 |
| 13878 | Huntwood Resources, LLC | Huntsville, TX 77340 | Oil Operator | May 2025 |
| 13879 | Hupfer Oil & Gas | Hays, KS 67601 | Oil & Gas Operator | Dec 1993 |
| 13880 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
| 13881 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
| 13882 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | May 2025 |
| 13883 | Hurd Oil Company | | Oil & Gas Operator | Jun 2015 |
| 13884 | Hurley Charles B | Santa Ana, CA 92706 | Oil & Gas Operator | Apr 2015 |
| 13885 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 13886 | Hurley Oil Company | | Oil Operator | Dec 1988 |
| 13887 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 13888 | Hurricane Energy Corporation | | Oil & Gas Operator | Dec 2000 |
| 13889 | Hurricane Iron & Steel, Inc. | | Oil Operator | Dec 1993 |
| 13890 | Hurricane Oil And Gas Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 13891 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | Dec 2024 |
| 13892 | Hurst Oil Investments Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2015 |
| 13893 | Hurt, W C & C E | | Oil Operator | Dec 2006 |
| 13894 | Husain, Mrs. Shahnaz | Tulsa, OK 74136 | Oil Operator | Nov 1996 |
| 13895 | Huseman Oil International, Inc. | | Oil & Gas Operator | Feb 1992 |
| 13896 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 13897 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 13898 | Husky Oil Company | Cody, WY 82414 | Oil & Gas Operator | Dec 1984 |
| 13899 | Husky Petroleum | Seminole, OK 74818-1181 | Oil Operator | Feb 2012 |
| 13900 | Husky Ventures Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2025 |