| 13601 | Hollenshead Oil Co. | | Oil & Gas Operator | Mar 1992 |
| 13602 | Holler Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Aug 2003 |
| 13603 | Holley Oil Company, LLC | Chappell Hill, TX 77426 | Oil & Gas Operator | Feb 2026 |
| 13604 | Holley Operating, L. L. C. | Abilene, TX 79601 | Oil Operator | Jul 2025 |
| 13605 | Holli-Tex Supply Co. | Holliday, TX 76366 | Oil & Gas Operator | May 2018 |
| 13606 | Holliday CSG Corp. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2026 |
| 13607 | Holliday Drilling, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Dec 2020 |
| 13608 | Holliday Exploration Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2005 |
| 13609 | Hollimon Oil Corporation | Castroville, TX 78009 | Oil & Gas Operator | Nov 2016 |
| 13610 | Hollis & Kathryn Nichols | Shinglehouse, PA 16748-2112 | Gas Operator | Dec 2015 |
| 13611 | Hollobaugh Paul A | Mayport, PA 16240-1710 | Gas Operator | Dec 2024 |
| 13612 | Holloway David A | Okmulgee, OK 74447-9191 | Oil & Gas Operator | Oct 2025 |
| 13613 | Holloway Oil Company | Austin, TX 78764 | Oil & Gas Operator | Feb 2004 |
| 13614 | Hollrah Exploration Company | Edmond, OK 73012 | Oil & Gas Operator | Nov 2025 |
| 13615 | Hollub Production Company | Seguin, TX 78156 | Oil & Gas Operator | Jul 2000 |
| 13616 | Hollub, Lambert Drilling Company | Seguin, TX 78155 | Oil & Gas Operator | Feb 2026 |
| 13617 | Holly Energy Inc | | Oil Operator | Apr 1983 |
| 13618 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
| 13619 | Holmac Oil Company | Hobbs, NM 88240 | Oil & Gas Operator | May 1996 |
| 13620 | Holman Joe | Paden, OK 74860 | Gas Operator | May 1995 |
| 13621 | Holman Kendall | Paden, OK 74860-7116 | Oil & Gas Operator | Nov 2025 |
| 13622 | Holman Ray | Okemah, OK 74859-0029 | Gas Operator | May 2024 |
| 13623 | Holman Robert W | Prague, OK 74864-9230 | Oil & Gas Operator | Jan 2019 |
| 13624 | Holmes Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2015 |
| 13625 | Holmes Mary Ellen | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 13626 | Holmes Western Oil Corporation | | Oil & Gas Operator | Oct 2025 |
| 13627 | Holson Well Service | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 13628 | Holston-GR. Sou. Oil & Gas Co. | | Oil & Gas Operator | Mar 1981 |
| 13629 | Holt Andrew L "Mickey" | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2008 |
| 13630 | Holt Brothers | Gruver, TX 79040 | Gas Operator | Feb 2026 |
| 13631 | Holt IVan | | Oil Operator | Mar 1989 |
| 13632 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 13633 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 13634 | Holt Jean | Claremore, OK 74017-9439 | Oil Operator | Mar 2015 |
| 13635 | Holt Oil & Gas C | | Oil Operator | Sep 1984 |
| 13636 | Holt Oil & Gas Corp | Dallas, TX 75231 | Oil & Gas Operator | Apr 1995 |
| 13637 | Holt Oil And Cattle LLC | Bedias, TX 77831 | Oil & Gas Operator | Feb 2026 |
| 13638 | Holt, Carol | Independence, KS 67301 | Oil Operator | Jul 2025 |
| 13639 | Holt, Roger | Cherryvale, KS 67335 | Gas Operator | Mar 2003 |
| 13640 | Holtom, Bill, A General Partnership | Saint Paul, KS 66771 | Oil Operator | Jun 2024 |
| 13641 | Holton Brothers | Canton, KS 67428 | Oil Operator | Apr 1990 |
| 13642 | Holwell Drilling Company | | Oil Operator | Sep 1992 |
| 13643 | Hombre Oil Co., LTD. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2021 |
| 13644 | Home Gas & Oil Co Inc | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2024 |
| 13645 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Feb 2026 |
| 13646 | Home-Stake Oil & Gas Company | Plano, TX 75093 | Oil & Gas Operator | Sep 2025 |
| 13647 | Home-Stake Royalty Corp., The | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2014 |
| 13648 | Homeland Energy GP | Campbellsville, KY 42719 | Oil & Gas Operator | Dec 2021 |
| 13649 | Homeland Energy Ventures LLC | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2008 |
| 13650 | Homeland Gas & Oil, Inc | Roosevelt, UT 84066-1574 | Oil & Gas Operator | Dec 2025 |
| 13651 | Homeplace Oil And Gas | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2021 |
| 13652 | Homer D. Oliver | | Gas Operator | Sep 1998 |
| 13653 | Homer E. Hines, Inc. | | Oil Operator | Sep 1978 |
| 13654 | Homer Oil Co LLC | Holdenville, OK 74848-3232 | Oil Operator | Sep 2025 |
| 13655 | Homestead Oil Inc | | Oil & Gas Operator | Jun 2014 |
| 13656 | Hominy Consulting, LLC | Canadian, TX 79014 | Oil & Gas Operator | Feb 2026 |
| 13657 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 13658 | Hondo Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 13659 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
| 13660 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 13661 | Hondo Operating, Inc. | | Oil & Gas Operator | Aug 1997 |
| 13662 | Honeck Oil Company | Austin, TX 78716 | Oil & Gas Operator | Mar 2008 |
| 13663 | Honeck Oil Company, LP | Austin, TX 78716 | Oil & Gas Operator | Dec 2010 |
| 13664 | Honey Oil Co | Wichita, KS 67226 | Oil & Gas Operator | Mar 2009 |
| 13665 | Honey Well, LLC | Lenexa, KS 66219 | Oil Operator | Sep 2025 |
| 13666 | Honeymon Drilling Company LTD | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 1995 |
| 13667 | Hood, J. F. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2010 |
| 13668 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | Feb 2026 |
| 13669 | Hood, Joe B. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 13670 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 13671 | Hooks & Hooks | Abilene, TX 79608 | Oil & Gas Operator | Feb 1999 |
| 13672 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Nov 2025 |
| 13673 | Hooper & Sons Investments Co.Inc | Tenaha, TX 75974 | Gas Operator | Nov 1997 |
| 13674 | Hooper, DR. Oil & Royalty Co. | Conroe, TX 77304 | Oil & Gas Operator | Sep 1999 |
| 13675 | Hootkins, Seymour G. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 13676 | Hootkins-Smith,La LTD. | | Gas Operator | Jun 1985 |
| 13677 | Hoots Jr, Willard | Martinsville, IN 46151 | Oil Operator | Dec 2023 |
| 13678 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 13679 | Hoover Frank W Dba Cherokee Drilling | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2024 |
| 13680 | Hoover Gregory M | Wattsburg, PA 16442-2209 | Gas Operator | Dec 2024 |
| 13681 | Hoover Noble C | | Oil Operator | Nov 1992 |
| 13682 | Hoover Petroleum Company, LLC | Midland, TX 79701 | Oil Operator | Feb 2026 |
| 13683 | Hoover Producing & Operating | Newark, OH 43055 | Oil & Gas Operator | Dec 2001 |
| 13684 | Hopco Operating, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2016 |
| 13685 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2024 |
| 13686 | Hope Company, LLC | Longmont, CO 80502 | Gas Operator | Feb 2012 |
| 13687 | Hope Energy, L.L.C. | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 13688 | Hope Gas, Inc. | Richmond, VA 23261 | Oil & Gas Operator | Dec 2010 |
| 13689 | Hope Oil Corporation | | Oil Operator | Sep 2025 |
| 13690 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 13691 | Hope Production, Inc. | Edinburg, TX 78540 | Oil & Gas Operator | Jan 2000 |
| 13692 | Hope'S Windows, Inc. | Jamestown, NY 14702 | Gas Operator | Dec 2024 |
| 13693 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 13694 | Hopewell Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 13695 | Hopkins Engineering, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 1996 |
| 13696 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 13697 | Hoppe Oil & Gas | | Oil Operator | Nov 1992 |
| 13698 | Hoppe Oil & Gas Co., Inc. | Wichita, KS 67202 | Oil Operator | Jul 1998 |
| 13699 | Hopper Oil Co., Inc. | Winfield, KS 67156 | Oil Operator | Jul 2025 |
| 13700 | Hopper Oil Compa | | Oil Operator | Sep 1988 |