| 13601 | Horn, Henry L | | Oil Operator | Apr 2009 |
| 13602 | Horn, Tom D. | Pampa, TX 79066 | Gas Operator | Nov 2013 |
| 13603 | Horn, W. J. | Graham, TX 76450 | Oil & Gas Operator | Oct 2004 |
| 13604 | Horne & Moore Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2001 |
| 13605 | Horner Oil And Gas Production, Inc. | Cameron, WV 26033 | Oil & Gas Operator | Dec 2021 |
| 13606 | Horner Richard R | | Gas Operator | May 1995 |
| 13607 | Horning, Jeremiah | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
| 13608 | Horseshoe Oil Co | Cromwell, OK 74837 | Oil & Gas Operator | Dec 2021 |
| 13609 | Horseshoe Operating Inc | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 13610 | Horseshoe Production, LLC | Bryson, TX 76427 | Oil Operator | May 2025 |
| 13611 | Horst Energy LLC | Fort Worth, TX 76124 | Oil & Gas Operator | Jun 2019 |
| 13612 | Horst Oil, LLC | Pittsburg, MO 65724 | Oil Operator | Dec 2009 |
| 13613 | Hortin & Huffman Pet Geol | Worthington, OH 43085 | Oil & Gas Operator | Dec 2000 |
| 13614 | Horton & Freeman | | Oil Operator | Apr 1983 |
| 13615 | Horton Mary | Ratliff City, OK 73481 | Oil Operator | May 2020 |
| 13616 | Horton Oil Company, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2000 |
| 13617 | Horton, Jack | Independence, KS 67301 | Oil & Gas Operator | Aug 2015 |
| 13618 | Horton, John | Sedan, KS 67361 | Oil & Gas Operator | Jan 2025 |
| 13619 | Hosco Operating Inc | Seminole, OK 74868-2447 | Oil & Gas Operator | Aug 2017 |
| 13620 | Hoselton, Earlie And Caroline | Ravenswood, WV 26164-8753 | Gas Operator | Dec 2021 |
| 13621 | Hosford Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 1994 |
| 13622 | Hosston Oil Inc. | | Oil Operator | Dec 1993 |
| 13623 | Hot Rod Oil | Vernal, UT 84078 | Oil & Gas Operator | Feb 2025 |
| 13624 | Hot Springs Resources LTD | Casper, WY 82601 | Oil Operator | Dec 2014 |
| 13625 | Hottel Glenn D | W Salem, OH 44287 | Oil & Gas Operator | Dec 1993 |
| 13626 | Hottel Oil & Gas LLC | Wooster, OH 44691-7639-7639 | Oil & Gas Operator | Dec 2013 |
| 13627 | Hotulke Construction LLC | Seminole, OK 74868 | Oil & Gas Operator | Feb 2025 |
| 13628 | Hou-Tex Oil And Gas | | Oil & Gas Operator | Jul 1982 |
| 13629 | Hou-Tex, Inc. | Houston, TX 77224 | Oil & Gas Operator | Jun 2001 |
| 13630 | Houchin, O. E. Inc. | Olney, IL 62450 | Oil & Gas Operator | Feb 1997 |
| 13631 | Hough Oil And Gas | Hominy, OK 74035 | Oil Operator | Feb 2025 |
| 13632 | Houghton Investments LLC | Columbus, OH 43235 | Oil & Gas Operator | Dec 2024 |
| 13633 | Houghton Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2009 |
| 13634 | Houma Operating Company, Inc. | | Oil & Gas Operator | Jun 1998 |
| 13635 | Houma Salt Water Disposal Corp | | Oil Operator | Dec 2020 |
| 13636 | Hound Resources LLC | | Oil & Gas Operator | Dec 2024 |
| 13637 | Hounds Oil & Gas LLC | Carbon Hill, OH 43111 | Oil & Gas Operator | Dec 2024 |
| 13638 | House Thomas J | | Oil Operator | Jun 2024 |
| 13639 | House, Dustin | Shawnee, KS 66218 | Oil Operator | Jan 2025 |
| 13640 | Houseco Petroleum Inc | Bristow, OK 74010-0842 | Oil & Gas Operator | Aug 2002 |
| 13641 | Householder Oil Co | Junction City, OH 43748 | Oil & Gas Operator | Dec 1988 |
| 13642 | Houseknecht Oil Producers Inc | | Oil & Gas Operator | Dec 1994 |
| 13643 | Housel John R Jr | | Oil Operator | Oct 1994 |
| 13644 | Housel, Robert E. | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2003 |
| 13645 | Houser, R. G. | | Oil Operator | Mar 1953 |
| 13646 | Houston Energy & Dev. Inc. | | Oil & Gas Operator | Apr 1994 |
| 13647 | Houston Energy Operating, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jul 2020 |
| 13648 | Houston Energy, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 13649 | Houston Expl. & Prod. Co., Inc. | Austin, TX 78746 | Oil & Gas Operator | Aug 2003 |
| 13650 | Houston Exploration Co, The | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 13651 | Houston Gulf Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | May 2025 |
| 13652 | Houston Hydrocarbons, Inc. (A) | Houston, TX 77042 | Oil & Gas Operator | Sep 2004 |
| 13653 | Houston Hydrolan | | Oil Operator | Jul 1984 |
| 13654 | Houston Oil & Gas Company, Inc. | Houston, TX 77063 | Oil & Gas Operator | Aug 1995 |
| 13655 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 13656 | Houston Oil And Minerals | | Oil & Gas Operator | Oct 1993 |
| 13657 | Houston Oil Fields Company | | Oil & Gas Operator | Apr 1987 |
| 13658 | Houston Oil Prod Enterprises,Inc | Houston, TX 77006 | Oil & Gas Operator | May 2025 |
| 13659 | Houston Operating, Inc. | Houston, TX 77027 | Oil & Gas Operator | May 2025 |
| 13660 | Houston Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | May 2025 |
| 13661 | Houston Production Corporation | | Oil & Gas Operator | Jan 2004 |
| 13662 | Houston Resources Corp. | Houston, TX 77002 | Oil & Gas Operator | Apr 2003 |
| 13663 | Houtchens, D. D. | Gainesville, TX 76240 | Oil & Gas Operator | May 2025 |
| 13664 | Houtchens, DD & Anna D LVNG TRST | Garland, TX 75043 | Oil Operator | May 2025 |
| 13665 | Hovas Enterprises | Perkins, OK 74059 | Oil & Gas Operator | Mar 2014 |
| 13666 | Hovgard & Fitzgerald | Abilene, TX 79608 | Oil & Gas Operator | Mar 1996 |
| 13667 | Hovivian Gregory E | La Crescenta, CA 91214 | Gas Operator | Dec 1999 |
| 13668 | Howard & Taylor | Wynnewood, OK 73098-9234 | Oil & Gas Operator | Feb 2025 |
| 13669 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2024 |
| 13670 | Howard E. Caywood Inc. | | Oil & Gas Operator | Mar 2025 |
| 13671 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 13672 | Howard Exploration, Inc. | Houston, TX 77069 | Oil & Gas Operator | May 2025 |
| 13673 | Howard Operating Co. | Saint Jo, TX 76265 | Oil & Gas Operator | May 2025 |
| 13674 | Howard'S Well Service | | Oil Operator | Jul 2007 |
| 13675 | Howard, Anthony D | Philpot, KY 42366 | Oil Operator | Dec 2023 |
| 13676 | Howard, Anthony E. F. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2001 |
| 13677 | Howard, Douglas J. | Houston, TX 77070 | Oil & Gas Operator | Mar 2008 |
| 13678 | Howard, Lorna Agent | | Oil & Gas Operator | Dec 2021 |
| 13679 | Howard, Patrick M. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 13680 | Howard, Terry | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 13681 | Howco Oil And Gas | Stroud, OK 74079-9604 | Oil & Gas Operator | Mar 2015 |
| 13682 | Howden Petroleum Corp | Wetumka, OK 74883 | Gas Operator | Nov 1997 |
| 13683 | Howdyshell Pumping Inc | Logan, OH 43138 | Oil Operator | Dec 2024 |
| 13684 | Howe, Thomas L. | Hunt, NY 14846 | Gas Operator | Dec 2023 |
| 13685 | Howell & Sandlin, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2001 |
| 13686 | Howell Bill J | Calvin, OK 74531-0248 | Oil & Gas Operator | Sep 2016 |
| 13687 | Howell C W | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2015 |
| 13688 | Howell Crane & Rigging, Inc. | San Antonio, TX 78220 | Oil Operator | May 2025 |
| 13689 | Howell Drilling, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2003 |
| 13690 | Howell Jason | Wynona, OK 74084 | Oil Operator | Feb 2025 |
| 13691 | Howell Oil & Gas, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Oct 2019 |
| 13692 | Howell Oil Compa | | Oil & Gas Operator | Aug 1995 |
| 13693 | Howell Oil Company | Hutchinson, KS 67504 | Oil & Gas Operator | Jan 2025 |
| 13694 | Howell Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 2015 |
| 13695 | Howell'S Well Service, Inc. | | Oil & Gas Operator | Feb 2025 |
| 13696 | Howell, Betty L. | Lakewood, NY 14750 | Gas Operator | Dec 2023 |
| 13697 | Howell, Ray | Breckenridge, TX 76424 | Oil & Gas Operator | May 1998 |
| 13698 | Howells Oil & Gas | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 13699 | Howitzer Operating, LLC | Dallas, TX 75380 | Oil Operator | May 2025 |
| 13700 | Howle Operating Account, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 1999 |