| 13701 | Hopper, Harlan | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 13702 | Hopper, Thornton Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 13703 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 13704 | Horadam, Henry L. | Victoria, TX 77905 | Oil & Gas Operator | Oct 2008 |
| 13705 | Horan, Ken L. | Cross Plains, TX 76443 | Gas Operator | May 2002 |
| 13706 | Horansky Burrell Revocable Trust | Wichita Falls, TX 76309 | Oil Operator | Feb 2026 |
| 13707 | Horany, Ray & Ernest | Olney, TX 76374 | Oil & Gas Operator | May 2002 |
| 13708 | Horizon Barnsdall Energy Part LTD I Osage Only | | Oil Operator | Feb 2012 |
| 13709 | Horizon Energy | Vergas, MN 56587 | Oil & Gas Operator | Sep 2025 |
| 13710 | Horizon Energy Corporation | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 13711 | Horizon Expl. & Dev. Co., Inc. | | Oil & Gas Operator | Jun 1995 |
| 13712 | Horizon Exploration Company | Houston, TX 77019 | Oil & Gas Operator | Aug 2002 |
| 13713 | Horizon Exploration Services | El Paso, TX 79922 | Oil Operator | Feb 2026 |
| 13714 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2024 |
| 13715 | Horizon Natural Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 13716 | Horizon Natural Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2019 |
| 13717 | Horizon Oil & Ga | | Oil & Gas Operator | Jan 1992 |
| 13718 | Horizon Oil & Gas Co. | Dallas, TX 75221 | Oil & Gas Operator | Jan 2005 |
| 13719 | Horizon Operating Co. | | Oil & Gas Operator | Dec 1995 |
| 13720 | Horizon Prod. And Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Feb 2026 |
| 13721 | Horizon Resources Inc | Fort Worth, TX 76101-1978 | Oil & Gas Operator | Jul 2006 |
| 13722 | Horizon Ridge Oil Company | Austin, TX 78738 | Oil Operator | Feb 2026 |
| 13723 | Horizon Well Services, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 13724 | Horizontal Development & Production Inc | Lubbock, TX 79493 | Oil & Gas Operator | Jul 2002 |
| 13725 | Horn Eddie L Dba B & E Investments | Bristow, OK 74010 | Oil & Gas Operator | Aug 2025 |
| 13726 | Horn Energy | Eastland, TX 76448 | Oil & Gas Operator | Feb 2026 |
| 13727 | Horn Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Oct 2025 |
| 13728 | Horn R L & Sons Drilling | | Oil Operator | Jun 1997 |
| 13729 | Horn, Henry L | | Oil Operator | Apr 2009 |
| 13730 | Horn, Tom D. | Pampa, TX 79066 | Gas Operator | Nov 2013 |
| 13731 | Horn, W. J. | Graham, TX 76450 | Oil & Gas Operator | Oct 2004 |
| 13732 | Horne & Moore Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2001 |
| 13733 | Horner Oil And Gas Production, Inc. | Cameron, WV 26033 | Oil & Gas Operator | Dec 2021 |
| 13734 | Horner Richard R | | Gas Operator | May 1995 |
| 13735 | Horning, Jeremiah | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 13736 | Horseshoe Oil Co | Cromwell, OK 74837 | Oil & Gas Operator | Dec 2021 |
| 13737 | Horseshoe Operating Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 13738 | Horseshoe Production, LLC | Bryson, TX 76427 | Oil & Gas Operator | Feb 2026 |
| 13739 | Horst Energy LLC | Fort Worth, TX 76124 | Oil & Gas Operator | Jun 2019 |
| 13740 | Horst Oil, LLC | Pittsburg, MO 65724 | Oil Operator | Dec 2009 |
| 13741 | Hortin & Huffman Pet Geol | Worthington, OH 43085 | Oil & Gas Operator | Dec 2000 |
| 13742 | Horton & Freeman | | Oil Operator | Apr 1983 |
| 13743 | Horton Mary | Ratliff City, OK 73481 | Oil Operator | May 2020 |
| 13744 | Horton Oil Company | Independence, KS 67301 | Oil & Gas Operator | Jul 2000 |
| 13745 | Horton, Jack | Independence, KS 67301 | Oil & Gas Operator | Aug 2015 |
| 13746 | Horton, John | Sedan, KS 67361 | Oil & Gas Operator | Sep 2025 |
| 13747 | Hosco Operating Inc | Seminole, OK 74868-2447 | Oil & Gas Operator | Aug 2017 |
| 13748 | Hosford Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 1994 |
| 13749 | Hosston Oil Inc. | | Oil Operator | Dec 1993 |
| 13750 | Hot Rod Oil | Vernal, UT 84078 | Oil & Gas Operator | Dec 2025 |
| 13751 | Hot Springs Resources LTD | Casper, WY 82601 | Oil Operator | Dec 2014 |
| 13752 | Hottel Glenn D | W Salem, OH 44287 | Oil & Gas Operator | Dec 1993 |
| 13753 | Hottel Oil & Gas LLC | Wooster, OH 44691-7639 | Oil & Gas Operator | Dec 2013 |
| 13754 | Hotulke Construction LLC | Seminole, OK 74868 | Oil & Gas Operator | Oct 2025 |
| 13755 | Hou-Tex Oil And Gas | | Oil & Gas Operator | Jul 1982 |
| 13756 | Hou-Tex, Inc. | Houston, TX 77224 | Oil & Gas Operator | Jun 2001 |
| 13757 | Houchin, O. E. Inc. | Olney, IL 62450 | Oil & Gas Operator | Feb 1997 |
| 13758 | Hough Oil And Gas | Hominy, OK 74035 | Oil Operator | Oct 2025 |
| 13759 | Houghton Investments LLC | Columbus, OH 43235 | Oil & Gas Operator | Dec 2024 |
| 13760 | Houghton Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2009 |
| 13761 | Houma Operating Company, Inc. | | Oil & Gas Operator | Jun 1998 |
| 13762 | Houma Salt Water Disposal Corp | | Oil Operator | Dec 2020 |
| 13763 | Hound Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 13764 | Hounds Oil & Gas LLC | Carbon Hill, OH 43111 | Oil & Gas Operator | Dec 2024 |
| 13765 | House Thomas J | | Oil Operator | Dec 2025 |
| 13766 | House, Dustin | Shawnee, KS 66218 | Oil Operator | Sep 2025 |
| 13767 | Houseco Petroleum Inc | Bristow, OK 74010-0842 | Oil & Gas Operator | Aug 2002 |
| 13768 | Householder Oil Co | Junction City, OH 43748 | Oil & Gas Operator | Dec 1988 |
| 13769 | Houseknecht Oil Producers Inc | | Oil & Gas Operator | Dec 1994 |
| 13770 | Housel John R Jr | | Oil Operator | Oct 1994 |
| 13771 | Housel, Robert E. | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2003 |
| 13772 | Houser, R. G. | | Oil Operator | Mar 1953 |
| 13773 | Houston Energy & Dev. Inc. | | Oil & Gas Operator | Apr 1994 |
| 13774 | Houston Energy Operating, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jul 2020 |
| 13775 | Houston Energy, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 13776 | Houston Expl. & Prod. Co., Inc. | Austin, TX 78746 | Oil & Gas Operator | Aug 2003 |
| 13777 | Houston Exploration Co, The | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 13778 | Houston Gulf Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2026 |
| 13779 | Houston Hydrocarbons, Inc. (A) | Houston, TX 77042 | Oil & Gas Operator | Sep 2004 |
| 13780 | Houston Hydrolan | | Oil Operator | Jul 1984 |
| 13781 | Houston Oil & Gas Company, Inc. | Houston, TX 77063 | Oil & Gas Operator | Aug 1995 |
| 13782 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 13783 | Houston Oil And Minerals | | Oil & Gas Operator | Oct 1993 |
| 13784 | Houston Oil Fields Company | | Oil & Gas Operator | Apr 1987 |
| 13785 | Houston Oil Prod Enterprises,Inc | Houston, TX 77006 | Oil & Gas Operator | Feb 2026 |
| 13786 | Houston Operating, Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 13787 | Houston Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 13788 | Houston Production Corporation | | Oil & Gas Operator | Jan 2004 |
| 13789 | Houston Resources Corp. | Houston, TX 77002 | Oil & Gas Operator | Apr 2003 |
| 13790 | Houtchens, D. D. | Gainesville, TX 76240 | Oil & Gas Operator | Feb 2026 |
| 13791 | Houtchens, DD & Anna D LVNG TRST | Garland, TX 75043 | Oil Operator | Jun 2025 |
| 13792 | Hovas Enterprises | Perkins, OK 74059 | Oil & Gas Operator | Mar 2014 |
| 13793 | Hovgard & Fitzgerald | Abilene, TX 79608 | Oil & Gas Operator | Mar 1996 |
| 13794 | Hovivian Gregory E | La Crescenta, CA 91214 | Gas Operator | Dec 1999 |
| 13795 | Howard & Taylor | Wynnewood, OK 73098 | Oil & Gas Operator | Oct 2025 |
| 13796 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2024 |
| 13797 | Howard E. Caywood Inc. | | Oil & Gas Operator | Nov 2025 |
| 13798 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 13799 | Howard Exploration, Inc. | Houston, TX 77069 | Oil & Gas Operator | Feb 2026 |
| 13800 | Howard Operating Co. | Saint Jo, TX 76265 | Oil & Gas Operator | Feb 2026 |