| 13801 | Hunter, Rocquelle | Coleman, TX 76834 | Oil Operator | Mar 2026 |
| 13802 | Hunters Creek Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Mar 2026 |
| 13803 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |
| 13804 | Huntington Beach Company | | Oil & Gas Operator | Dec 1998 |
| 13805 | Huntington Beach Pacific Coast Enterprises LLC | | Oil & Gas Operator | Jan 2018 |
| 13806 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Mar 2026 |
| 13807 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 13808 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 13809 | Huntington Signal Oil Company | | Oil & Gas Operator | Dec 1997 |
| 13810 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2026 |
| 13811 | Huntley & Huntley Inc | Monroeville, PA 15146-2302 | Oil & Gas Operator | Dec 2019 |
| 13812 | Huntlyn Operating, LLC | | Oil & Gas Operator | Sep 2022 |
| 13813 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 13814 | Hunton Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 2026 |
| 13815 | Huntwood Resources, LLC | Huntsville, TX 77340 | Oil Operator | Mar 2026 |
| 13816 | Hupfer Oil & Gas | Hays, KS 67601 | Oil & Gas Operator | Dec 1993 |
| 13817 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
| 13818 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
| 13819 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2026 |
| 13820 | Hurd Oil Company | | Oil & Gas Operator | Jun 2015 |
| 13821 | Hurley Charles B | Santa Ana, CA 92706 | Oil & Gas Operator | Apr 2015 |
| 13822 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 13823 | Hurley Oil Company | | Oil Operator | Dec 1988 |
| 13824 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 13825 | Hurricane Energy Corporation | | Oil & Gas Operator | Dec 2000 |
| 13826 | Hurricane Iron & Steel, Inc. | | Oil Operator | Dec 1993 |
| 13827 | Hurricane Oil And Gas Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 13828 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | Dec 2024 |
| 13829 | Hurst Oil Investments Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2015 |
| 13830 | Hurt, W C & C E | | Oil Operator | Dec 2006 |
| 13831 | Husain, Mrs. Shahnaz | Tulsa, OK 74136 | Oil Operator | Nov 1996 |
| 13832 | Huseman Oil International Inc | | Oil & Gas Operator | Feb 1992 |
| 13833 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 13834 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 13835 | Husky Oil Company | Cody, WY 82414 | Oil & Gas Operator | Dec 1984 |
| 13836 | Husky Petroleum | Seminole, OK 74818-1181 | Oil Operator | Feb 2012 |
| 13837 | Husky Ventures Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 13838 | Huson Corp. | Albany, TX 76430 | Oil & Gas Operator | May 2003 |
| 13839 | Huston Minerals LP | Albany, TX 76430 | Oil & Gas Operator | Mar 2026 |
| 13840 | Huston Oil | Woodson, TX 76491 | Oil & Gas Operator | Oct 2010 |
| 13841 | Hutchinson Oil C | | Oil & Gas Operator | May 1995 |
| 13842 | Hutchinson Oil Co. | | Oil & Gas Operator | Sep 2025 |
| 13843 | Hutchison Jay Oi | | Oil Operator | Sep 1991 |
| 13844 | Hutson Oil Co. | | Oil & Gas Operator | Nov 2024 |
| 13845 | Hutton Charles N | | Oil Operator | Dec 1994 |
| 13846 | Hutton Gas Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 13847 | Hutton, Charles N., SR. | Iola, KS 66749 | Oil Operator | Nov 2007 |
| 13848 | Hux Oil Company LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2025 |
| 13849 | Hvi Cat Canyon Inc. | | Oil & Gas Operator | Dec 2025 |
| 13850 | HW Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2026 |
| 13851 | HWH Production, LLC | Muenster, TX 76252 | Oil Operator | Mar 2026 |
| 13852 | Hy-Mark Oil & Gas, Inc. | | Oil Operator | Mar 1991 |
| 13853 | Hy-Tech, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2017 |
| 13854 | Hyalite Energy Corporation | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 13855 | Hyatt Exploration, Inc. | | Oil Operator | Jul 1995 |
| 13856 | Hybrid Operating, Incorporated | Carlsbad, CA 92009 | Oil & Gas Operator | Mar 2026 |
| 13857 | Hyco Oil Inc | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2006 |
| 13858 | Hyde-Marrs, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1997 |
| 13859 | Hyder, Dean L. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 13860 | Hydroc Oil Company | Borger, TX 79007 | Oil & Gas Operator | May 2012 |
| 13861 | Hydrocarbon Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 13862 | Hydrocarbon Generation, Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2024 |
| 13863 | Hydrocarbon Horizons, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jun 2023 |
| 13864 | Hydrocarbon Inv, Inc | | Oil Operator | Dec 2018 |
| 13865 | Hydrocarbon Lease Management LTD | Addison, TX 75001 | Oil & Gas Operator | Jul 2002 |
| 13866 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 13867 | Hydrocarbon MGMT., Inc. | | Oil & Gas Operator | Mar 1997 |
| 13868 | Hydrocarbon Operating, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2026 |
| 13869 | Hydrocarbon Resources LTD | Medina, OH 44256 | Oil & Gas Operator | Dec 2022 |
| 13870 | Hydrocarbon Technology Services | | Oil & Gas Operator | Dec 2000 |
| 13871 | Hydrofusion Energy, LLC | Cuero, TX 77954 | Oil Operator | Mar 2026 |
| 13872 | Hydrogeo, L.L.C. | Houston, TX 77074 | Oil & Gas Operator | Mar 2026 |
| 13873 | Hyer,Na & CJ Aldenhoven Trusts | Lipan, TX 76462 | Gas Operator | Oct 2017 |
| 13874 | Hyland Oil Corporation | | Oil & Gas Operator | Apr 1990 |
| 13875 | Hyman Muslow | | Oil Operator | Jun 1995 |
| 13876 | Hyndrex Resources | | Oil & Gas Operator | Feb 2016 |
| 13877 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 13878 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | Mar 2026 |
| 13879 | Hyquest Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2015 |
| 13880 | I & F Oil And Farm | | Oil & Gas Operator | Dec 2009 |
| 13881 | I & L Development Co. | Dallas, TX 75219 | Oil & Gas Operator | Mar 1996 |
| 13882 | I & M Oil Production, LLC | Overland Park, KS 66209 | Oil & Gas Operator | Nov 2019 |
| 13883 | I C Gas Amcana Inc | Tulsa, OK 74103-3713 | Oil & Gas Operator | Apr 1996 |
| 13884 | I D Oil Company Inc | Sperry, OK 74073-9417 | Oil Operator | Jan 2013 |
| 13885 | I T Enterprises Inc | Tulsa, OK 74170-0775 | Oil & Gas Operator | Mar 2011 |
| 13886 | I-Mac Petroleum Service Inc | Bixby, OK 74008-3778 | Oil & Gas Operator | Apr 2020 |
| 13887 | I. H. Delatte | | Oil & Gas Operator | Jul 1991 |
| 13888 | I. J. Wilhite | | Oil Operator | Apr 2000 |
| 13889 | I. J. Wilhite & Star Drilling, Inc. | | Oil Operator | Sep 1973 |
| 13890 | I. W. McKnight,Production | | Oil Operator | Jan 1986 |
| 13891 | I.G. Petroleum, L.L.C | | Oil & Gas Operator | Dec 2018 |
| 13892 | I.T. Corporation | Arlington, TX 76016 | Oil & Gas Operator | Mar 2026 |
| 13893 | Ia Operating, Inc. | Edmond, OK 73003 | Oil Operator | Sep 2025 |
| 13894 | Iacobucci, Gary | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 13895 | Iacx Energy LLC | Dallas, TX 75244 | Gas Operator | Nov 2025 |
| 13896 | Iacx Production LLC | Roswell, NM 88201 | Oil & Gas Operator | Dec 2025 |
| 13897 | Iantha Resources LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 13898 | Iantorno Brothers Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 13899 | Ibarra Oil LLC | Blessing, TX 77419 | Oil & Gas Operator | Mar 2026 |
| 13900 | Ibc Petroleum, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Mar 2026 |