| 11801 | Grayling Oil Inc | | Oil & Gas Operator | Feb 1995 |
| 11802 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
| 11803 | Graymarr LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 11804 | Grayrock Corp., The | Dallas, TX 75243 | Oil & Gas Operator | Dec 1999 |
| 11805 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Jun 2025 |
| 11806 | Grayrock Energy, LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Mar 2025 |
| 11807 | Grayson Mill Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 11808 | Grayson Operating LLC | Ada, OK 74820 | Oil & Gas Operator | Mar 2025 |
| 11809 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Jun 2025 |
| 11810 | Grayson Service Inc. | | Oil & Gas Operator | Mar 2025 |
| 11811 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Jun 2025 |
| 11812 | Graystone Exploration Corp. | Garland, TX 75043 | Oil & Gas Operator | Aug 2003 |
| 11813 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11814 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 11815 | Grease Exploration Incorporated | | Oil & Gas Operator | Dec 2024 |
| 11816 | Greasewood Oil Company | Midland, TX 79705 | Oil & Gas Operator | Jul 2007 |
| 11817 | Great American Exploration, Inc. | | Oil Operator | Feb 1979 |
| 11818 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2025 |
| 11819 | Great American Royalties, Inc. | | Oil Operator | May 2025 |
| 11820 | Great Basin Petroleum Serv, Inc. | Odessa, TX 79765 | Oil & Gas Operator | Nov 2002 |
| 11821 | Great Basin Petroleum Serv, L.P. | Odessa, TX 79765 | Oil & Gas Operator | Jul 2008 |
| 11822 | Great Basin Well Service Corp. | Odessa, TX 79765 | Oil & Gas Operator | Feb 2025 |
| 11823 | Great Basins Petroleum Co. | | Gas Operator | Mar 2015 |
| 11824 | Great Bay Operations, LLC | Portsmouth, NH 03801 | Oil & Gas Operator | Nov 2016 |
| 11825 | Great Bend Oil P | | Oil Operator | Jun 1991 |
| 11826 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 11827 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 11828 | Great Horned Owls, LLC | Katy, TX 77494 | Oil & Gas Operator | Mar 2025 |
| 11829 | Great Lakes Chemical Corporation | West Lafayette, IN 47906 | Oil & Gas Operator | Nov 2023 |
| 11830 | Great Lakes Conf. Of The Evangelical Covenant | Dewittville, NY 14728 | Gas Operator | Dec 2023 |
| 11831 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 11832 | Great Lakes Petroleum Producers Inc | | Oil Operator | May 2025 |
| 11833 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
| 11834 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Jun 2025 |
| 11835 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jul 2017 |
| 11836 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 11837 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Apr 2025 |
| 11838 | Great Plains Exploration LLC | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 11839 | Great Plains Oil & Gas | Ada, OK 74820-7209 | Oil & Gas Operator | May 2013 |
| 11840 | Great Plains Oper LLC Dba Great MTN Oper | Grapevine, TX 76051-5477 | Gas Operator | Nov 2015 |
| 11841 | Great Plains Operating Inc | Bristow, OK 74010 | Oil & Gas Operator | Dec 1998 |
| 11842 | Great Plains Operating, LLC. | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2014 |
| 11843 | Great Plains Pet | | Oil & Gas Operator | Mar 1995 |
| 11844 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Feb 2025 |
| 11845 | Great Plains Pipeline Company | Tulsa, OK 74135-6405 | Oil & Gas Operator | Jul 2014 |
| 11846 | Great Plains Resources, Inc. | Nixon, TX 78140 | Oil & Gas Operator | Jun 2025 |
| 11847 | Great River Oil & Gas Corp. | | Oil & Gas Operator | Sep 1998 |
| 11848 | Great Scott, Inc. | | Oil & Gas Operator | Oct 1993 |
| 11849 | Great Southern - Joe Scates | | Oil Operator | Dec 1979 |
| 11850 | Great Southern Oil &Gas Co Inc | | Oil & Gas Operator | Dec 2004 |
| 11851 | Great Southern-Caddo-Lyons | | Oil & Gas Operator | Sep 1982 |
| 11852 | Great Southwestern Expl Inc | Tulsa, OK 74105 | Oil & Gas Operator | Mar 2025 |
| 11853 | Great Texas Crude Inc. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2025 |
| 11854 | Great West Energy & Expl., Inc. | Addison, TX 75001 | Oil & Gas Operator | Mar 2008 |
| 11855 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 11856 | Great Western Drilling | | Oil Operator | Dec 2002 |
| 11857 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 11858 | Great Western Equipment Co | Mustang, OK 73064 | Oil & Gas Operator | Apr 2025 |
| 11859 | Great Western Land Co Inc | Tulsa, OK 74136-1517 | Oil & Gas Operator | Jun 2000 |
| 11860 | Great Western Oil Company | | Oil & Gas Operator | Dec 1984 |
| 11861 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 11862 | Great Western Operating Company LLC | | Oil & Gas Operator | Aug 2022 |
| 11863 | Great Western Resources Inc | | Oil & Gas Operator | Dec 1989 |
| 11864 | Great Yellowstone Corp. | | Oil & Gas Operator | Apr 1993 |
| 11865 | Greatbatch LTD. | Clarence, NY 14031 | Gas Operator | Dec 2023 |
| 11866 | Grecian Gas Company | | Gas Operator | Dec 2002 |
| 11867 | Greco Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 11868 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 11869 | Greehey & Company, LTD. | San Antonio, TX 78216 | Oil & Gas Operator | May 2020 |
| 11870 | Greeley, John A. | Eldred, PA 16731 | Oil & Gas Operator | Dec 2023 |
| 11871 | Green Century Exp & Prod, LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 11872 | Green Earth Resources Inc. | | Oil & Gas Operator | Dec 2020 |
| 11873 | Green Energy Company | Okmulgee, OK 74447 | Oil & Gas Operator | May 2013 |
| 11874 | Green Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 11875 | Green Enterprises | | Oil Operator | Feb 2025 |
| 11876 | Green Exploration Company | Austin, TX 78711 | Oil & Gas Operator | Jun 2025 |
| 11877 | Green Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 11878 | Green J R & Jerr | | Oil Operator | Dec 1991 |
| 11879 | Green Light Operating, LLC. | Austin, TX 78746 | Oil Operator | Jun 2025 |
| 11880 | Green Oil & Gas, Inc. | Winters, TX 79567 | Oil & Gas Operator | Aug 2003 |
| 11881 | Green Oilfield Production L.L.C. | Jennings, KS 67643 | Oil Operator | Feb 2025 |
| 11882 | Green Oper Compa | | Gas Operator | Jan 1970 |
| 11883 | Green Operating | | Oil Operator | Jun 2010 |
| 11884 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2025 |
| 11885 | Green Petroleum Company | Archer City, TX 76351 | Oil & Gas Operator | Nov 1996 |
| 11886 | Green Production, LLC | | Oil & Gas Operator | Dec 2016 |
| 11887 | Green Reserve Energy Holdings LLC | Houston, TX 77077 | Oil & Gas Operator | Apr 2025 |
| 11888 | Green River Exploration Co | Tulsa, OK 74121-1468 | Oil & Gas Operator | Sep 2011 |
| 11889 | Green River Gas Co, Inc | | Oil & Gas Operator | Dec 2010 |
| 11890 | Green River Operating Co Inc | Noble, OK 73068-5521 | Oil & Gas Operator | Feb 2018 |
| 11891 | Green River Resources Inc. | Keystone, CO 80435 | Oil & Gas Operator | Jun 2025 |
| 11892 | Green Star | Somerset, TX 78069 | Oil Operator | Jun 2025 |
| 11893 | Green Valley Disposal Serv LLC | Alva, OK 73717 | Oil Operator | Mar 2025 |
| 11894 | Green Valley Operating, LLC | Billings, MT 59108 | Oil & Gas Operator | Mar 2025 |
| 11895 | Green Wells Venture LLC | Miami, FL 33131 | Gas Operator | Dec 2023 |
| 11896 | Green William G | Jenks, OK 74037-3233 | Oil & Gas Operator | Apr 2020 |
| 11897 | Green'S Drillng & Mud Ser Inc | Konawa, OK 74849 | Oil Operator | Jan 2013 |
| 11898 | Green, Bobbie | Chautauqua, KS 67334 | Oil Operator | Feb 2025 |
| 11899 | Green, Hugh | Albany, TX 76430 | Oil & Gas Operator | Apr 2012 |
| 11900 | Green, J. R. | Hays, KS 67601 | Oil Operator | Mar 2005 |