| 13701 | Hughes Supplies, Inc. | Greenwood, LA 71033 | Oil & Gas Operator | Jul 2019 |
| 13702 | Hughes, Bill Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 13703 | Hughes, Bob Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | Jul 2011 |
| 13704 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
| 13705 | Hughes, Dan A. Company, L.P. | Beeville, TX 78104 | Oil & Gas Operator | Jul 2025 |
| 13706 | Hughes, Wise & Assoc., Inc | | Oil Operator | Jul 1987 |
| 13707 | Hughes-Denny Petroleum Co.,Inc | | Oil & Gas Operator | Dec 1987 |
| 13708 | Hughes-Leckelt-Maybrier PRDCRS | | Oil Operator | Mar 2022 |
| 13709 | Hughes-Nicklaus Oil Co., LTD. | | Oil & Gas Operator | Feb 1986 |
| 13710 | Hughey, Gaylord T. SR. Oper. Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1998 |
| 13711 | Hughey, W. R., Operating Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2005 |
| 13712 | Hugoton Energy C | | Oil & Gas Operator | Feb 2004 |
| 13713 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 13714 | Hugoton Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 2025 |
| 13715 | Hugus Investment Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jul 2025 |
| 13716 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 13717 | Huitt Joe A Rev Trust | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2009 |
| 13718 | Hulen Operating Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 13719 | Hull Enterprises Inc | Broken Arrow, OK 74012 | Oil & Gas Operator | Sep 2023 |
| 13720 | Hull Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2021 |
| 13721 | Hull, Gerald Walter | Leicester, NY 14481 | Gas Operator | Dec 2024 |
| 13722 | Hulse Steve & Frank | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2000 |
| 13723 | Hulse, J. T. | Archer City, TX 76351 | Oil & Gas Operator | Jul 2025 |
| 13724 | Hulse, Tommy P. | Archer City, TX 76351 | Oil & Gas Operator | Feb 2009 |
| 13725 | Hulsebosch, Jessica | Elmira, NY 14901 | Gas Operator | Dec 2024 |
| 13726 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
| 13727 | Hulsey Oil Company | Dallas, TX 75205 | Oil & Gas Operator | Aug 1999 |
| 13728 | Humak Processors, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Aug 2005 |
| 13729 | Humber Oil Company | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 13730 | Humble Oil & Refining Co. | Houston, TX 77252 | Oil & Gas Operator | Jan 2000 |
| 13731 | Humerickhouse Oil, LLC | Ottawa, KS 66067 | Oil Operator | Mar 2025 |
| 13732 | Humerickhouse, Donald L. | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 13733 | Hummingbird Oil, LLC | Sedan, KS 67361 | Oil Operator | Mar 2025 |
| 13734 | Hummon Corp. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2023 |
| 13735 | Humphrey Mark | Morris, OK 74445-2816 | Oil & Gas Operator | Sep 2021 |
| 13736 | Humphrey, Thos.D. Oil Prop.,Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Aug 1999 |
| 13737 | Humphrey-Bashford Oil, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2010 |
| 13738 | Hungerford Oil & Gas Inc | Helena, OK 73741 | Oil & Gas Operator | Nov 2000 |
| 13739 | Hungerford Oil Partners | Williamsville, NY 14221 | Oil Operator | Dec 2024 |
| 13740 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 13741 | Hunt Chris Water Hauling Contractor Inc | Keyes, OK 73947-0004 | Oil Operator | Jun 2008 |
| 13742 | Hunt Cimarron Limited Partnership | Roswell, NM 88202 | Oil & Gas Operator | May 2025 |
| 13743 | Hunt Cimarron LTD. Partnership | Roswell, NM 88202 | Oil & Gas Operator | Jul 2025 |
| 13744 | Hunt Energy Corporation | | Oil & Gas Operator | Feb 2002 |
| 13745 | Hunt Engineering Inc | Norman, OK 73069-4093 | Oil & Gas Operator | Feb 2019 |
| 13746 | Hunt Enterprises | | Oil & Gas Operator | Apr 2025 |
| 13747 | Hunt Industries, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2000 |
| 13748 | Hunt Investment Corporation | | Oil & Gas Operator | Jun 1989 |
| 13749 | Hunt Marcellus Opr Co LLC | Wilcox, PA 15870 | Oil & Gas Operator | Jan 2019 |
| 13750 | Hunt Oil Co., Et Al | | Oil & Gas Operator | Nov 1992 |
| 13751 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 13752 | Hunt Oil, LLC | Garnett, KS 66032 | Oil Operator | Feb 2024 |
| 13753 | Hunt Operating, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 13754 | Hunt Petroleum (Aec), Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13755 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13756 | Hunt Petroleum, Inc. | Houston, TX 772511350 | Oil & Gas Operator | Nov 2002 |
| 13757 | Hunt, H L | Dallas, TX 75202-2785 | Oil & Gas Operator | Dec 2024 |
| 13758 | Hunt, Hassie Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13759 | Hunt, Judith R. | Findley Lake, NY 14736 | Gas Operator | Dec 2024 |
| 13760 | Hunt, K Metal | | Oil & Gas Operator | Dec 2021 |
| 13761 | Hunt, WM. Herbert, Trust Est. | Dallas, TX 75201 | Oil & Gas Operator | Sep 1998 |
| 13762 | Hunter & Hedrick Production, Inc | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 1995 |
| 13763 | Hunter & McDonald | Wichita Falls, TX 76309 | Oil & Gas Operator | Jul 2001 |
| 13764 | Hunter Brothers | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2007 |
| 13765 | Hunter Edison Oil Development LLC | | Oil & Gas Operator | May 2025 |
| 13766 | Hunter Energy, Inc. | Hurst, TX 76053 | Oil & Gas Operator | Jul 2025 |
| 13767 | Hunter Oil & Gas Co. | Bangs, TX 76823 | Oil & Gas Operator | Jul 2025 |
| 13768 | Hunter Oil & Gas, LLC | | Oil & Gas Operator | Oct 2001 |
| 13769 | Hunter Oil Corporation | Gruver, TX 79040 | Gas Operator | Jul 2025 |
| 13770 | Hunter Petroleum Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2014 |
| 13771 | Hunter, Rocquelle | Coleman, TX 76834 | Oil Operator | Jul 2025 |
| 13772 | Hunters Creek Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Jul 2025 |
| 13773 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |
| 13774 | Huntington Beach Company | | Oil & Gas Operator | Dec 1998 |
| 13775 | Huntington Beach Pacific Coast Enterprises LLC | | Oil & Gas Operator | Jan 2018 |
| 13776 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 13777 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 13778 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 13779 | Huntington Signal Oil Company | | Oil & Gas Operator | Dec 1997 |
| 13780 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | Jul 2025 |
| 13781 | Huntley & Huntley Inc | Monroeville, PA 15146-2302 | Oil & Gas Operator | Dec 2019 |
| 13782 | Huntlyn Operating, LLC | | Oil & Gas Operator | Sep 2022 |
| 13783 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 13784 | Hunton Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2025 |
| 13785 | Huntwood Resources, LLC | Huntsville, TX 77340 | Oil Operator | Jul 2025 |
| 13786 | Hupfer Oil & Gas | Hays, KS 67601 | Oil & Gas Operator | Dec 1993 |
| 13787 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
| 13788 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
| 13789 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2025 |
| 13790 | Hurd Oil Company | | Oil & Gas Operator | Jun 2015 |
| 13791 | Hurley Charles B | Santa Ana, CA 92706 | Oil & Gas Operator | Apr 2015 |
| 13792 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 13793 | Hurley Oil Company | | Oil Operator | Dec 1988 |
| 13794 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 13795 | Hurricane Energy Corporation | | Oil & Gas Operator | Dec 2000 |
| 13796 | Hurricane Iron & Steel, Inc. | | Oil Operator | Dec 1993 |
| 13797 | Hurricane Oil And Gas Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 13798 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | Dec 2024 |
| 13799 | Hurst Oil Investments Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2015 |
| 13800 | Hurt, W C & C E | | Oil Operator | Dec 2006 |