| 2701 | Hollrah Exploration Company | Edmond, OK 73012 | Oil & Gas Operator | May 2025 |
| 2702 | Holman Kendall | Paden, OK 74860-7116 | Oil & Gas Operator | Jan 2025 |
| 2703 | Holman Ray | Okemah, OK 74859-0029 | Gas Operator | May 2024 |
| 2704 | Holman Robert W | Prague, OK 74864-9230 | Oil & Gas Operator | Jan 2019 |
| 2705 | Holmes Mary Ellen | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 2706 | Holt Andrew L "Mickey" | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2008 |
| 2707 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 2708 | Holt Jean | Claremore, OK 74017-9439 | Oil Operator | Mar 2015 |
| 2709 | Holt Oil & Gas Corp | Dallas, TX 75231 | Oil & Gas Operator | Apr 1995 |
| 2710 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Jul 2025 |
| 2711 | Home-Stake Royalty Corp., The | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2014 |
| 2712 | Homer Oil Co LLC | Holdenville, OK 74848-3232 | Oil Operator | May 2025 |
| 2713 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 2714 | Honeymon Drilling Company LTD | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 1995 |
| 2715 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 2716 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Apr 2025 |
| 2717 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 2718 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 2719 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 2720 | Horizon Barnsdall Energy Part LTD I Osage Only | | Oil Operator | Feb 2012 |
| 2721 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2024 |
| 2722 | Horizon Natural Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2019 |
| 2723 | Horizon Oil & Gas Co. | Dallas, TX 75221 | Oil & Gas Operator | Jan 2005 |
| 2724 | Horizon Resources Inc | Fort Worth, TX 76101-1978 | Oil & Gas Operator | Jul 2006 |
| 2725 | Horn Eddie L Dba B & E Investments | Bristow, OK 74010 | Oil & Gas Operator | Feb 2025 |
| 2726 | Horn Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Apr 2025 |
| 2727 | Horn R L & Sons Drilling | | Oil Operator | Jun 1997 |
| 2728 | Horn, Henry L | | Oil Operator | Apr 2009 |
| 2729 | Horseshoe Oil Co | Cromwell, OK 74837 | Oil & Gas Operator | Dec 2021 |
| 2730 | Horton Mary | Ratliff City, OK 73481 | Oil Operator | May 2020 |
| 2731 | Horton Oil Company, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2000 |
| 2732 | Hosco Operating Inc | Seminole, OK 74868-2447 | Oil & Gas Operator | Aug 2017 |
| 2733 | Hotulke Construction LLC | Seminole, OK 74868 | Oil & Gas Operator | Apr 2025 |
| 2734 | Hough Oil And Gas | Hominy, OK 74035 | Oil Operator | Apr 2025 |
| 2735 | Houseco Petroleum Inc | Bristow, OK 74010-0842 | Oil & Gas Operator | Aug 2002 |
| 2736 | Houston Exploration Co, The | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 2737 | Hovas Enterprises | Perkins, OK 74059 | Oil & Gas Operator | Mar 2014 |
| 2738 | Howard & Taylor | Wynnewood, OK 73098-9234 | Oil & Gas Operator | May 2025 |
| 2739 | Howco Oil And Gas | Stroud, OK 74079-9604 | Oil & Gas Operator | Mar 2015 |
| 2740 | Howden Petroleum Corp | Wetumka, OK 74883 | Gas Operator | Nov 1997 |
| 2741 | Howell Bill J | Calvin, OK 74531-0248 | Oil & Gas Operator | Sep 2016 |
| 2742 | Howell C W | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2015 |
| 2743 | Howell'S Well Service, Inc. | | Oil & Gas Operator | Apr 2025 |
| 2744 | Hoyt John C | Bartlesville, OK 74005-1316 | Oil Operator | Feb 2000 |
| 2745 | Hoyt Oil & Gas LLC | Cushing, OK 74023-0442 | Oil & Gas Operator | Apr 2025 |
| 2746 | HP Operating LLC | Seminole, OK 74868 | Oil Operator | May 2025 |
| 2747 | HPC Incorporated | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |
| 2748 | HRB Operating Company, Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jul 2025 |
| 2749 | HRC Production Co | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 2750 | HRF Exploration & Production LLC | Gaylord, MI 49734-0160 | Gas Operator | Jul 2025 |
| 2751 | Hsumy Oil & Gas Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2007 |
| 2752 | Hub-Hill Inc | San Antonio, TX 78230 | Oil Operator | Nov 1998 |
| 2753 | Huber Energy Panhandle LP | Houston, TX 77079 | Oil & Gas Operator | Oct 2005 |
| 2754 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | Jul 2025 |
| 2755 | Hubler John | Tulsa, OK 74133-2716 | Oil & Gas Operator | Mar 2015 |
| 2756 | Huck Farms LLC | Stratford, OK 74872 | Oil & Gas Operator | Apr 2025 |
| 2757 | Hudgens Lester E | Bartlesville, OK 74006-0215 | Oil Operator | Mar 2015 |
| 2758 | Hudson Energy LLC | | Oil Operator | Nov 2024 |
| 2759 | Hughes Drilling Co. | Enid, OK 73702 | Oil & Gas Operator | Apr 1998 |
| 2760 | Hughes Gas Systems LLC | Dallas, TX 75214 | Oil & Gas Operator | Apr 2025 |
| 2761 | Hughes George B | Asher, OK 74826-0165 | Oil & Gas Operator | Mar 2011 |
| 2762 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 2763 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 2764 | Huitt Joe A Rev Trust | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2009 |
| 2765 | Hulen Operating Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 2766 | Hull Enterprises Inc | Broken Arrow, OK 74012 | Oil & Gas Operator | Sep 2023 |
| 2767 | Hull Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2021 |
| 2768 | Hulse Steve & Frank | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2000 |
| 2769 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
| 2770 | Humphrey Mark | Morris, OK 74445-2816 | Oil & Gas Operator | Sep 2021 |
| 2771 | Hungerford Oil & Gas Inc | Helena, OK 73741 | Oil & Gas Operator | Nov 2000 |
| 2772 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 2773 | Hunt Chris Water Hauling Contractor Inc | Keyes, OK 73947-0004 | Oil Operator | Jun 2008 |
| 2774 | Hunt Energy Corporation | | Oil & Gas Operator | Feb 2002 |
| 2775 | Hunt Engineering Inc | Norman, OK 73069-4093 | Oil & Gas Operator | Feb 2019 |
| 2776 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 2777 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 2778 | Hunt, H L | Dallas, TX 75202-2785 | Oil & Gas Operator | Dec 2024 |
| 2779 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 2780 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 2781 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 2782 | Hunton Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2025 |
| 2783 | Hurd Oil Company | | Oil & Gas Operator | Jun 2015 |
| 2784 | Hurley Charles B | Santa Ana, CA 92706 | Oil & Gas Operator | Apr 2015 |
| 2785 | Hurricane Energy Corporation | | Oil & Gas Operator | Dec 2000 |
| 2786 | Hurst Oil Investments Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2015 |
| 2787 | Husky Petroleum | Seminole, OK 74818-1181 | Oil Operator | Feb 2012 |
| 2788 | Husky Ventures Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2025 |
| 2789 | Hutton Gas Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 2790 | Hux Oil Company LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Apr 2025 |
| 2791 | Hyalite Energy Corporation | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 2792 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 2793 | Hydrocarbon Technology Services | | Oil & Gas Operator | Dec 2000 |
| 2794 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 2795 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | Jul 2025 |
| 2796 | I C Gas Amcana Inc | Tulsa, OK 74103-3713 | Oil & Gas Operator | Apr 1996 |
| 2797 | I D Oil Company Inc | Sperry, OK 74073-9417 | Oil Operator | Jan 2013 |
| 2798 | I T Enterprises Inc | Tulsa, OK 74170-0775 | Oil & Gas Operator | Mar 2011 |
| 2799 | I-Mac Petroleum Service Inc | Bixby, OK 74008-3778 | Oil & Gas Operator | Apr 2020 |
| 2800 | Icon Energy Company | Oklahoma City, OK 73156-1613 | Oil & Gas Operator | Apr 2025 |