| 1701 | Gowdy Chemical Co. | | Oil Operator | Oct 2001 |
| 1702 | GPM Gas Corporation | Oklahoma City, OK 73102-5627 | Oil & Gas Operator | Jun 2000 |
| 1703 | GPS Oil Lease Operations | Inman, KS 67546 | Oil Operator | Jun 2001 |
| 1704 | Gra Ex, LLC | Kingman, KS 67068 | Oil & Gas Operator | Oct 2023 |
| 1705 | Graber Oil | Hutchinson, KS 67502 | Oil & Gas Operator | Oct 2018 |
| 1706 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 1707 | Grady Bolding Corporation | Ellinwood, KS 67526 | Oil & Gas Operator | Nov 2024 |
| 1708 | Graham Royalty L | | Gas Operator | Mar 1991 |
| 1709 | Graham, Lowell H. | Le Roy, KS 66857 | Oil Operator | Nov 2024 |
| 1710 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 1711 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 1712 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 1713 | Grant Stan & Kru | | Oil Operator | Apr 1985 |
| 1714 | Grassland Petrol | | Oil Operator | Feb 1993 |
| 1715 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 1716 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | Nov 2024 |
| 1717 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 1718 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 1719 | Great Bend Oil P | | Oil Operator | Jun 1991 |
| 1720 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 1721 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 1722 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Nov 2024 |
| 1723 | Great Plains Pet | | Oil & Gas Operator | Mar 1995 |
| 1724 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Nov 2024 |
| 1725 | Green Enterprises | | Oil Operator | Nov 2024 |
| 1726 | Green J R & Jerr | | Oil Operator | Dec 1991 |
| 1727 | Green Oilfield Production L.L.C. | Jennings, KS 67643 | Oil Operator | Nov 2024 |
| 1728 | Green Oper Compa | | Gas Operator | Dec 1969 |
| 1729 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Nov 2024 |
| 1730 | Green, Bobbie | Chautauqua, KS 67334 | Oil Operator | Oct 2024 |
| 1731 | Green, J. R. | Hays, KS 67601 | Oil Operator | Mar 2005 |
| 1732 | Green, Robert W | Ottawa, KS 66067 | Oil Operator | Nov 1987 |
| 1733 | Greene Enterprises, Inc. | Gillette, WY 82717 | Oil Operator | Dec 2009 |
| 1734 | Greenhead Energy Operating LLC | Oklahoma City, OK 73131 | Oil & Gas Operator | Jan 2025 |
| 1735 | Greensburg Oilfield LLC | Zenda, KS 67159 | Oil Operator | Nov 2013 |
| 1736 | Greenwood Resources L.L.C. | Pratt, KS 67124 | Oil Operator | Nov 2024 |
| 1737 | Greer Oil Compan | | Oil & Gas Operator | Jun 1988 |
| 1738 | Greer Tom & Welm | | Oil Operator | Mar 1995 |
| 1739 | Greer, Joseph V. | Yates Center, KS 66783 | Oil & Gas Operator | Oct 2005 |
| 1740 | Greer, Tom | Ponca City, OK 74602 | Oil Operator | Aug 2016 |
| 1741 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Oct 2024 |
| 1742 | Gressel, Dewey H. | | Oil Operator | Dec 2009 |
| 1743 | Grey Oil Company | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 1744 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 1745 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 1746 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 1747 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 1748 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 1749 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Nov 2024 |
| 1750 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 1751 | Groshong Oil, LLC | Wellsville, KS 66092 | Oil Operator | Oct 2024 |
| 1752 | Gross William R | | Oil Operator | Feb 1986 |
| 1753 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 1754 | Gruenerwald WM & | | Oil & Gas Operator | Apr 1994 |
| 1755 | Grunder Oil, LLC | St John, KS 67576 | Oil Operator | Nov 2024 |
| 1756 | Gruss Petroleum | | Oil Operator | Jan 1986 |
| 1757 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 1758 | Guardian Energy Consultants, Inc. | Tulsa, OK 74120 | Gas Operator | Sep 2009 |
| 1759 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |
| 1760 | Guinotte Company LLC | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 1761 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2025 |
| 1762 | Gulick Drilling , Inc. | Eureka, KS 67045 | Oil Operator | Nov 2024 |
| 1763 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 1764 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Nov 2024 |
| 1765 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Nov 2024 |
| 1766 | Gusher Oil | | Oil Operator | Jul 2004 |
| 1767 | Gustison Steven | | Oil Operator | Feb 1985 |
| 1768 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 1769 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 1770 | H & B Petroleum Corp. | Hutchinson, KS 67504 | Oil & Gas Operator | Nov 2024 |
| 1771 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 1772 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Nov 2024 |
| 1773 | H & D Exploration LLC | Hoisington, KS 67544 | Oil & Gas Operator | Nov 2024 |
| 1774 | H & H Oil Co. | | Oil & Gas Operator | Nov 2024 |
| 1775 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 1776 | H & H Oil Company, A General Partnership | Plainville, KS 67663 | Oil Operator | Feb 1997 |
| 1777 | H & H Oil, LLC | Lincolnville, KS 66858 | Oil Operator | Nov 2024 |
| 1778 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 1779 | H & H Production, Inc. | Topeka, KS 66614 | Oil Operator | May 1997 |
| 1780 | H & H Supply Inc | | Gas Operator | Mar 1985 |
| 1781 | H & L Operating Company | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2020 |
| 1782 | H & L Oprerating Company LLP | Amarillo, TX 79114 | Oil & Gas Operator | Nov 2019 |
| 1783 | H & M Packers Serv. L.L.C. | | Oil Operator | Dec 2019 |
| 1784 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Jan 2025 |
| 1785 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 1786 | H & R Exploratio | | Oil Operator | Feb 1992 |
| 1787 | H & R Exploration & Production, Inc. | Sidney, NE 69162 | Oil Operator | May 2007 |
| 1788 | H & S Oil Co., LLC | Cherryvale, KS 67335 | Oil Operator | Oct 2024 |
| 1789 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 1790 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 1791 | H A L Petroleum | | Oil Operator | Oct 1987 |
| 1792 | H-30 Incorporate | | Oil & Gas Operator | Nov 1990 |
| 1793 | H-30, Inc. | Wichita, KS 67202 | Gas Operator | Oct 2006 |
| 1794 | H-40 Drilling, Inc. | Medicine Lodge, KS 67104 | Gas Operator | Nov 2024 |
| 1795 | H-5 Service | Plainville, KS 67663 | Oil Operator | May 1989 |
| 1796 | H-D Oilfield Service, Inc. | Bazine, KS 67516 | Oil Operator | Oct 2024 |
| 1797 | H. H. Blair Oil Company, Inc. | Atlanta, KS 67008 | Oil Operator | Dec 2009 |
| 1798 | H. I., Inc. | Liberal, KS 67901 | Oil & Gas Operator | Feb 2012 |
| 1799 | H.I.T. Resources, Inc. | Arkansas City, KS 67005 | Oil Operator | Jan 2007 |
| 1800 | H3 Oil & Gas | | Oil & Gas Operator | Nov 2024 |