| 1701 | H & L Oprerating Company LLP | Amarillo, TX 79114 | Oil & Gas Operator | Nov 2019 |
| 1702 | H & M Packers Serv. L.L.C. | | Oil Operator | Dec 2019 |
| 1703 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Feb 2024 |
| 1704 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 1705 | H & R Exploratio | | Oil Operator | Feb 1992 |
| 1706 | H & R Exploration & Production, Inc. | Sidney, NE 69162 | Oil Operator | May 2007 |
| 1707 | H & S Oil Co., LLC | Cherryvale, KS 67335 | Oil Operator | Oct 2023 |
| 1708 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 1709 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 1710 | H A L Petroleum | | Oil Operator | Oct 1987 |
| 1711 | H-30 Incorporate | | Oil & Gas Operator | Nov 1990 |
| 1712 | H-30, Inc. | Wichita, KS 67202 | Gas Operator | Oct 2006 |
| 1713 | H-5 Service | Plainville, KS 67663 | Oil Operator | May 1989 |
| 1714 | H-D Oilfield Service, Inc. | Bazine, KS 67516 | Oil Operator | Nov 2023 |
| 1715 | H. H. Blair Oil Company, Inc. | Atlanta, KS 67008 | Oil Operator | Dec 2009 |
| 1716 | H. I., Inc. | Liberal, KS 67901 | Oil & Gas Operator | Feb 2012 |
| 1717 | H.I.T. Resources, Inc. | Arkansas City, KS 67005 | Oil Operator | Jan 2007 |
| 1718 | H3 Oil & Gas | | Oil & Gas Operator | Dec 2023 |
| 1719 | Haack Operating Company | Tulsa, OK 74137 | Oil Operator | Dec 2023 |
| 1720 | Haas John L | | Oil Operator | Dec 2009 |
| 1721 | Haas Petroleum, LLC | Prairie VIllage, KS 66208 | Oil Operator | Dec 2023 |
| 1722 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 1723 | Habit Petroleum | | Oil Operator | Dec 2009 |
| 1724 | Habit Petroleum, LLC | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 1725 | Hacker, Jack | Coats, KS 67028 | Oil & Gas Operator | Nov 2023 |
| 1726 | Hackley Okla Inc | | Oil & Gas Operator | Aug 1992 |
| 1727 | Had-A-Call Oil | | Oil Operator | Feb 2017 |
| 1728 | Hadaway Consulting And Engineering LLC | Canadian, TX 79014 | Oil & Gas Operator | Jan 2024 |
| 1729 | Haddock, Jack L. | Hays, KS 67601 | Oil Operator | Oct 2023 |
| 1730 | Hadson Petroleum | | Oil Operator | Sep 1988 |
| 1731 | Hafer Run Enterprise | Independence, KS 67301 | Oil Operator | Oct 1997 |
| 1732 | Haffner Dan | Hoxie, KS 67740 | Oil Operator | Dec 2023 |
| 1733 | Haile, Guy W. | Sterling, KS 67579 | Oil Operator | Oct 2023 |
| 1734 | Hale, L.D. | Wichita, KS 67230 | Oil Operator | Oct 2019 |
| 1735 | Hall Oil And Gas LLC | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 1736 | Hall Oil Company | Humboldt, KS 66748 | Oil Operator | Nov 2009 |
| 1737 | Hall Richard A | | Oil Operator | Sep 1993 |
| 1738 | Hall, J.J. Operating Co., Inc. | Lakewood, CO 80215 | Oil Operator | Jan 2005 |
| 1739 | Hall, Michael Wayne | Toronto, KS 66777 | Oil Operator | Dec 2009 |
| 1740 | Halliburton Oil | | Oil & Gas Operator | Sep 2008 |
| 1741 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 1742 | Hallwood Petrole | | Oil & Gas Operator | Apr 1999 |
| 1743 | Hallwood Petroleum | Denver, CO 80237 | Oil & Gas Operator | Dec 1997 |
| 1744 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
| 1745 | Hamby Oil LLC | Ellinwood, KS 67526 | Oil Operator | May 2013 |
| 1746 | Hamilton Brother | | Gas Operator | May 1993 |
| 1747 | Hamlin Oil Opera | | Oil Operator | May 1988 |
| 1748 | Hamm N R Contrac | | Oil & Gas Operator | Jun 1989 |
| 1749 | Hammer Maclean Etal | Leon, KS 67074 | Oil Operator | Dec 2019 |
| 1750 | Hammer Oil Compa | | Oil Operator | Oct 1985 |
| 1751 | Hammerschmidt Wi | | Oil Operator | Sep 1991 |
| 1752 | Hammerschmidt, Leo | Plainville, KS 67663 | Oil Operator | Aug 2000 |
| 1753 | Hammerschmidt, William E | Plainville, KS 67663 | Oil Operator | Dec 2023 |
| 1754 | Hamp Oil | Ponca City, OK 74604 | Oil & Gas Operator | Sep 2002 |
| 1755 | Hamp Oil - Pace | | Oil & Gas Operator | Apr 1994 |
| 1756 | Hand Oil Co. | Chanute, KS 66720 | Oil Operator | Nov 2000 |
| 1757 | Hansen Dane G TR | | Oil Operator | Feb 1995 |
| 1758 | Hansen, Dane G. - Trust | Logan, KS 67646 | Oil Operator | Oct 2013 |
| 1759 | Har-Ken Agent, Ok | Owensboro, KY 42302 | Oil Operator | Nov 2023 |
| 1760 | Harbacek Florence | Holyrood, KS 67450 | Oil Operator | Aug 2002 |
| 1761 | Harcon Energy, LLC | Le Roy, KS 66857 | Oil Operator | Dec 2009 |
| 1762 | Hardin Oil Co. | | Oil Operator | Dec 2019 |
| 1763 | Harlo Oil Compan | | Oil Operator | Dec 1994 |
| 1764 | Harlow Corporation, The | Amarillo, TX 79101 | Oil & Gas Operator | Apr 2014 |
| 1765 | Harms Petroleum | | Oil & Gas Operator | May 1991 |
| 1766 | Harms, H. Allan Petroleum Co., Inc. | Great Bend, KS 67530 | Oil Operator | Apr 1999 |
| 1767 | Harper Oil And Gas, LLC | Pratt, KS 67124 | Oil & Gas Operator | Dec 2023 |
| 1768 | Harper Oil Co. | Denver, CO 80217 | Oil & Gas Operator | Dec 2023 |
| 1769 | Harris Oil & Gas | | Oil & Gas Operator | Jul 1995 |
| 1770 | Harris Oil & Gas Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2016 |
| 1771 | Harris, David | Toronto, KS 66777 | Oil Operator | Nov 2023 |
| 1772 | Harrison, Mark V. | Madison, KS 66860 | Oil Operator | Jul 1995 |
| 1773 | Hart Energies, LLC | Tulsa, OK 74133 | Oil & Gas Operator | Dec 2016 |
| 1774 | Hart, Nick And Connie | Paola, KS 66071 | Oil Operator | Dec 2023 |
| 1775 | Hartman Oil Company Inc | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 1776 | Hartman W L Trus | | Oil Operator | Jun 1992 |
| 1777 | Harvest Energy Company | Englewood, CO 80110 | Oil & Gas Operator | Jun 1997 |
| 1778 | Hasada Industrie | | Oil & Gas Operator | Jul 1995 |
| 1779 | Hat Creek Cattle Company, A General Partnership | Paola, KS 66071 | Oil Operator | Aug 2016 |
| 1780 | Hat Production LLC | Mound City, KS 66056 | Oil Operator | Nov 2023 |
| 1781 | Haul-Pac, Inc. | Hiawatha, KS 66434 | Oil Operator | Dec 2023 |
| 1782 | Haven Oil & Gas | Hutchinson, KS 67504 | Oil & Gas Operator | Mar 2009 |
| 1783 | Hawkeye Oil | | Oil & Gas Operator | Jun 2007 |
| 1784 | Hawkins Oil & Ga | | Oil & Gas Operator | Jun 1995 |
| 1785 | Hawkins Oil & Gas Company | Richardson, TX 75080 | Oil & Gas Operator | Apr 2024 |
| 1786 | Hawkins Oil & Gas Inc | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2016 |
| 1787 | Hawkins Oil, L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2023 |
| 1788 | Hawkins, James F. | Tulsa, OK 74103 | Oil Operator | Dec 2019 |
| 1789 | Hawn Petroleum I | | Oil Operator | Jun 1989 |
| 1790 | Hayden Operating | | Oil & Gas Operator | Dec 2023 |
| 1791 | Hayes Oil & Gas LLC | Attica, KS 67009 | Oil & Gas Operator | Dec 2023 |
| 1792 | Haynie Robert L | | Gas Operator | Jan 2004 |
| 1793 | Hays Oil Field S | | Oil Operator | Nov 1988 |
| 1794 | Hazen, Paul D. | Great Bend, KS 67530 | Oil Operator | Nov 1990 |
| 1795 | Hazen, Ty Anthony | Lyons, KS 67554 | Oil Operator | Dec 2023 |
| 1796 | HB Energy LLC | Wellsville, KS 66092 | Oil Operator | Dec 2023 |
| 1797 | HB Oil Company | Abilene, TX 79602 | Oil & Gas Operator | Jun 2023 |
| 1798 | HD Well Services LLC | Wellsville, KS 66092 | Oil Operator | Dec 2023 |
| 1799 | HDH Resources, Inc. | Wilmore, KS 67155 | Oil & Gas Operator | Oct 2023 |
| 1800 | Heartland Enterprises, Incorporated | Phillipsburg, KS 67661 | Oil Operator | May 2005 |