| 801 | Gouin Frank L | Oklahoma City, OK 73139-2513 | Oil Operator | Jan 2014 |
| 802 | Gouker & Harris | Meeker, OK 74855-0685 | Oil Operator | Jan 2013 |
| 803 | Gould Energy Co. | Owasso, OK 74055 | Oil & Gas Operator | Mar 2005 |
| 804 | Gould Joseph B | Las Vegas, NV 89101 | Oil & Gas Operator | Apr 2001 |
| 805 | Gould Oil Inc. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2019 |
| 806 | Gould Oil Incorp | | Oil & Gas Operator | May 1996 |
| 807 | Gout Margaret M Dba Lakeville Gas Associates | | Oil & Gas Operator | Dec 2003 |
| 808 | Gowdy Chemical Co. | | Oil Operator | Oct 2001 |
| 809 | GP Operating LLC | Roby, TX 79543 | Gas Operator | Jun 2026 |
| 810 | GPH Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 2008 |
| 811 | GPM Gas Corporation | Oklahoma City, OK 73102-5627 | Oil & Gas Operator | Nov 1998 |
| 812 | GPM, Inc. | | Oil & Gas Operator | Jun 1994 |
| 813 | Gpo Energy, LLC | Walton, WV 25286 | Oil & Gas Operator | Dec 2020 |
| 814 | Gpo Operations LLC | Labarge, WY 83123 | Oil & Gas Operator | Mar 2026 |
| 815 | GPS Oil Lease Operations | Inman, KS 67546 | Oil Operator | Jun 2001 |
| 816 | Gra Ex, LLC | Kingman, KS 67068 | Oil & Gas Operator | Nov 2025 |
| 817 | Grace 7 Operating LLC | Argyle, TX 76226 | Oil Operator | Apr 2022 |
| 818 | Grace 7 Properties, LTD. | Argyle, TX 76226 | Oil & Gas Operator | Jun 2026 |
| 819 | Grace Energy Co | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 820 | Grace Energy Management Inc | Cement, OK 73017 | Oil Operator | Mar 2026 |
| 821 | Grace Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Oct 2011 |
| 822 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 823 | Grace Petroleum Operating, LLC | Llano, TX 78643 | Oil & Gas Operator | Jun 2026 |
| 824 | Grace Petroleum, L.P. | Midland, TX 79708 | Oil & Gas Operator | May 2016 |
| 825 | Grace, Jack Production Co, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2026 |
| 826 | Grace, Jack, Prod. Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Mar 1997 |
| 827 | Grace, Pete | Jacksboro, TX 76458 | Oil & Gas Operator | Mar 1996 |
| 828 | Gradall Co | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2025 |
| 829 | Grady And Roppolo | | Oil & Gas Operator | Aug 1980 |
| 830 | Grady B. Langston | | Oil & Gas Operator | Jun 1982 |
| 831 | Grady Bolding Corporation | Ellinwood, KS 67526 | Oil & Gas Operator | Feb 2026 |
| 832 | Graham Cementing Company | Graham, TX 76450 | Oil & Gas Operator | Jan 2022 |
| 833 | Graham Energy LTD | Houston, TX 77024 | Oil & Gas Operator | Mar 1994 |
| 834 | Graham Expl LTD-DRLG PRNRSHP | | Oil & Gas Operator | Aug 1984 |
| 835 | Graham Exploration, LTD. | | Oil & Gas Operator | Oct 1993 |
| 836 | Graham Michael D | Oakdale, PA 15071-1088 | Oil & Gas Operator | Dec 2021 |
| 837 | Graham Oil And Gas LTD | Covington, LA 70434-3134 | Oil & Gas Operator | Aug 2013 |
| 838 | Graham Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 1988 |
| 839 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 840 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 841 | Graham, H.E. | Imperial, TX 79743 | Oil & Gas Operator | Mar 2007 |
| 842 | Graham, Lowell H. | Le Roy, KS 66857 | Oil Operator | Feb 2026 |
| 843 | Graham, Marion T | | Oil Operator | Feb 2026 |
| 844 | Graham, Tom Drilling Co. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 845 | Graham-McCormick Oper. PRTSHP. | | Oil & Gas Operator | Aug 1989 |
| 846 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 847 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 848 | Grahamsource Corp. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 849 | Grain Makers Oil Co., LLC | Canyon, TX 79015 | Oil & Gas Operator | Jun 2026 |
| 850 | Gram Oil Co | Bartlesville, OK 74003 | Oil Operator | Dec 2011 |
| 851 | Grama Operating, LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 2026 |
| 852 | Grammer, John, Oil Account | La Vernia, TX 78121 | Oil & Gas Operator | Aug 2017 |
| 853 | Gramrich Oil & Gas Corporation | Coppell, TX 75019 | Oil & Gas Operator | Oct 2012 |
| 854 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 855 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 856 | Grand Gulf Production, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Dec 1997 |
| 857 | Grand Mesa Operating Company | Wichita, KS 67206 | Oil & Gas Operator | Mar 2026 |
| 858 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Mar 2026 |
| 859 | Grand Petroleum Co. | Pampa, TX 79065 | Oil & Gas Operator | Jul 2017 |
| 860 | Grand Production Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2000 |
| 861 | Grand Resources | Salt Lake City, UT 84115 | Oil & Gas Operator | Apr 1992 |
| 862 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | Jun 2026 |
| 863 | Grand Resources, LTD. | Rockville, MD 20852 | Oil Operator | Mar 2026 |
| 864 | Grandfield Consulting, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2011 |
| 865 | Graner Oil Co. | | Oil & Gas Operator | Dec 2015 |
| 866 | Granite Creek Energy LLC | Cody, WY 82414 | Oil & Gas Operator | Apr 2026 |
| 867 | Granite Crossing, LLC | Austin, TX 78716 | Oil Operator | Jun 2026 |
| 868 | Granite Oil & Gas Inc | Phoenix, AZ 85045 | Oil Operator | Mar 1996 |
| 869 | Granite Oil Company | Austin, TX 78716 | Oil & Gas Operator | Nov 2000 |
| 870 | Granite Operating Company | Houston, TX 77056 | Oil & Gas Operator | Nov 2012 |
| 871 | Granitebay Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Jun 2026 |
| 872 | Granja Corporation | | Oil & Gas Operator | Dec 2003 |
| 873 | Grant Petroleum Corporation | Horseshoe Bay, TX 78657-8926 | Oil & Gas Operator | Dec 2014 |
| 874 | Grant Resources, LLC | Ennis, TX 75120 | Oil Operator | Jun 2026 |
| 875 | Grant Stan & Kru | | Oil Operator | Apr 1985 |
| 876 | Grant, Elmer D., Estate Of | Wichita Falls, TX 76302 | Oil Operator | Jun 2026 |
| 877 | Grapevine Energy LLC | | Oil & Gas Operator | Mar 2026 |
| 878 | Grasen Energy, Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2013 |
| 879 | Grasha, Matthew P. | Midland, TX 79709 | Oil & Gas Operator | Feb 1995 |
| 880 | Grassland Petrol | | Oil Operator | Feb 1993 |
| 881 | Gravel & Troegel-Petrofunds | | Oil & Gas Operator | Mar 1984 |
| 882 | Gravelle Family Trust | | Oil & Gas Operator | Dec 1999 |
| 883 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 884 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | Feb 2026 |
| 885 | Graves J M | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2007 |
| 886 | Graves John G Oil Prop Inc | Tulsa, OK 74116-5666 | Oil & Gas Operator | Feb 2001 |
| 887 | Graves Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2014 |
| 888 | Graves Operating | Perryton, TX 79070 | Oil & Gas Operator | Jul 2005 |
| 889 | Graves Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Jun 2026 |
| 890 | Gravley Bill | Duncan, OK 73533 | Oil Operator | Nov 1998 |
| 891 | Gravtro, Inc. | | Oil Operator | Apr 1986 |
| 892 | Graward Operating, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2026 |
| 893 | Gray Development Co. LLC | | Oil & Gas Operator | Mar 2026 |
| 894 | Gray Energy Corporation | | Oil & Gas Operator | May 1987 |
| 895 | Gray Fox Operating Company | Tulsa, OK 74119 | Oil Operator | May 1993 |
| 896 | Gray Lloyd Energy Inc | Oklahoma City, OK 73120-8112 | Oil & Gas Operator | Nov 2005 |
| 897 | Gray Oil & Gas Inc. | Abilene, TX 79606 | Oil & Gas Operator | Oct 2013 |
| 898 | Gray Operating Company, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2018 |
| 899 | Gray Pipeline Inc | Broomfield, CO 80023-8304 | Oil & Gas Operator | Jul 2018 |
| 900 | Gray Production Trust | DFW Airport, TX 75261 | Oil & Gas Operator | Jul 2003 |