| 1701 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 1702 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 1703 | Great Bend Oil P | | Oil Operator | Jun 1991 |
| 1704 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 1705 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 1706 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Apr 2025 |
| 1707 | Great Plains Pet | | Oil & Gas Operator | Mar 1995 |
| 1708 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Mar 2025 |
| 1709 | Green Enterprises | | Oil Operator | Mar 2025 |
| 1710 | Green J R & Jerr | | Oil Operator | Dec 1991 |
| 1711 | Green Oilfield Production L.L.C. | Jennings, KS 67643 | Oil Operator | Mar 2025 |
| 1712 | Green Oper Compa | | Gas Operator | Jan 1970 |
| 1713 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Mar 2025 |
| 1714 | Green, Bobbie | Chautauqua, KS 67334 | Oil Operator | Mar 2025 |
| 1715 | Green, J. R. | Hays, KS 67601 | Oil Operator | Mar 2005 |
| 1716 | Green, Robert W | Ottawa, KS 66067 | Oil Operator | Nov 1987 |
| 1717 | Greene Enterprises, Inc. | Gillette, WY 82717 | Oil Operator | Dec 2009 |
| 1718 | Greenhead Energy Operating LLC | Oklahoma City, OK 73131 | Oil & Gas Operator | May 2025 |
| 1719 | Greensburg Oilfield LLC | Zenda, KS 67159 | Oil Operator | Nov 2013 |
| 1720 | Greenwood Resources L.L.C. | Pratt, KS 67124 | Oil Operator | Mar 2025 |
| 1721 | Greer Oil Compan | | Oil & Gas Operator | Jun 1988 |
| 1722 | Greer Tom & Welm | | Oil Operator | Mar 1995 |
| 1723 | Greer, Joseph V. | Yates Center, KS 66783 | Oil & Gas Operator | Oct 2005 |
| 1724 | Greer, Tom | Ponca City, OK 74602 | Oil Operator | Aug 2016 |
| 1725 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Mar 2025 |
| 1726 | Gressel, Dewey H. | | Oil Operator | Dec 2009 |
| 1727 | Grey Oil Company | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 1728 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 1729 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 1730 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 1731 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 1732 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 1733 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Mar 2025 |
| 1734 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 1735 | Gross William R | | Oil Operator | Feb 1986 |
| 1736 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 1737 | Gruenerwald WM & | | Oil & Gas Operator | Apr 1994 |
| 1738 | Grunder Oil, LLC | St John, KS 67576 | Oil Operator | Mar 2025 |
| 1739 | Gruss Petroleum | | Oil Operator | Jan 1986 |
| 1740 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 1741 | Guardian Energy Consultants, Inc. | Tulsa, OK 74120 | Gas Operator | Sep 2009 |
| 1742 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |
| 1743 | Guinotte Company LLC | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 1744 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2025 |
| 1745 | Gulick Drilling , Inc. | Eureka, KS 67045 | Oil Operator | Mar 2025 |
| 1746 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 1747 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Mar 2025 |
| 1748 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Nov 2024 |
| 1749 | Gusher Oil | | Oil Operator | Jul 2004 |
| 1750 | Gustison Steven | | Oil Operator | Feb 1985 |
| 1751 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 1752 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 1753 | H & B Petroleum Corp. | Hutchinson, KS 67504 | Oil & Gas Operator | Mar 2025 |
| 1754 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 1755 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Mar 2025 |
| 1756 | H & D Exploration LLC | Hoisington, KS 67544 | Oil & Gas Operator | Mar 2025 |
| 1757 | H & H Oil Co. | | Oil & Gas Operator | Mar 2025 |
| 1758 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 1759 | H & H Oil Company, A General Partnership | Plainville, KS 67663 | Oil Operator | Feb 1997 |
| 1760 | H & H Oil, LLC | Lincolnville, KS 66858 | Oil Operator | Mar 2025 |
| 1761 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 1762 | H & H Production, Inc. | Topeka, KS 66614 | Oil Operator | May 1997 |
| 1763 | H & H Supply Inc | | Gas Operator | Mar 1985 |
| 1764 | H & L Operating Company | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2020 |
| 1765 | H & L Oprerating Company LLP | Amarillo, TX 79114 | Oil & Gas Operator | Nov 2019 |
| 1766 | H & M Packers Serv. L.L.C. | | Oil Operator | Dec 2019 |
| 1767 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | May 2025 |
| 1768 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 1769 | H & R Exploratio | | Oil Operator | Feb 1992 |
| 1770 | H & R Exploration & Production, Inc. | Sidney, NE 69162 | Oil Operator | May 2007 |
| 1771 | H & S Oil Co., LLC | Cherryvale, KS 67335 | Oil Operator | Oct 2024 |
| 1772 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 1773 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 1774 | H A L Petroleum | | Oil Operator | Oct 1987 |
| 1775 | H-30 Incorporate | | Oil & Gas Operator | Nov 1990 |
| 1776 | H-30, Inc. | Wichita, KS 67202 | Gas Operator | Oct 2006 |
| 1777 | H-40 Drilling, Inc. | Medicine Lodge, KS 67104 | Gas Operator | Mar 2025 |
| 1778 | H-5 Service | Plainville, KS 67663 | Oil Operator | May 1989 |
| 1779 | H-D Oilfield Service, Inc. | Bazine, KS 67516 | Oil Operator | Feb 2025 |
| 1780 | H. H. Blair Oil Company, Inc. | Atlanta, KS 67008 | Oil Operator | Dec 2009 |
| 1781 | H. I., Inc. | Liberal, KS 67901 | Oil & Gas Operator | Feb 2012 |
| 1782 | H.I.T. Resources, Inc. | Arkansas City, KS 67005 | Oil Operator | Jan 2007 |
| 1783 | H3 Oil & Gas | | Oil & Gas Operator | Mar 2025 |
| 1784 | Haack Operating Company | Tulsa, OK 74137 | Oil Operator | Mar 2025 |
| 1785 | Haas John L | | Oil Operator | Dec 2009 |
| 1786 | Haas Petroleum, LLC | Prairie VIllage, KS 66208 | Oil Operator | Mar 2025 |
| 1787 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 1788 | Habit Petroleum | | Oil Operator | Dec 2009 |
| 1789 | Habit Petroleum, LLC | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 1790 | Hacker, Jack | Coats, KS 67028 | Oil & Gas Operator | Mar 2025 |
| 1791 | Hackley Okla Inc | | Oil & Gas Operator | Aug 1992 |
| 1792 | Had-A-Call Oil | | Oil Operator | Feb 2017 |
| 1793 | Hadaway Consulting And Engineering LLC | Canadian, TX 79014 | Oil & Gas Operator | May 2025 |
| 1794 | Haddock, Jack L. | Hays, KS 67601 | Oil Operator | Nov 2024 |
| 1795 | Hadson Petroleum | | Oil Operator | Sep 1988 |
| 1796 | Hafer Run Enterprise | Independence, KS 67301 | Oil Operator | Oct 1997 |
| 1797 | Haffner Dan | Hoxie, KS 67740 | Oil Operator | Mar 2025 |
| 1798 | Haile, Guy W. | Sterling, KS 67579 | Oil Operator | Feb 2025 |
| 1799 | Hale, L.D. | Wichita, KS 67230 | Oil Operator | Oct 2019 |
| 1800 | Hall Oil And Gas LLC | Midland, TX 79707 | Oil & Gas Operator | Jul 2025 |