| 11901 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | Sep 2025 |
| 11902 | Graves J M | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2007 |
| 11903 | Graves John G Oil Prop Inc | Tulsa, OK 74116-5666 | Oil & Gas Operator | Feb 2001 |
| 11904 | Graves Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2014 |
| 11905 | Graves Operating | Perryton, TX 79070 | Oil & Gas Operator | Jul 2005 |
| 11906 | Graves Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 11907 | Gravley Bill | Duncan, OK 73533 | Oil Operator | Nov 1998 |
| 11908 | Gravtro, Inc. | | Oil Operator | Apr 1986 |
| 11909 | Graward Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Feb 2026 |
| 11910 | Gray Bar Resources Inc | Pawhuska, OK 74056-0476 | Oil & Gas Operator | Jun 2022 |
| 11911 | Gray Development Co. LLC | | Oil & Gas Operator | Nov 2025 |
| 11912 | Gray Energy Corporation | | Oil & Gas Operator | May 1987 |
| 11913 | Gray Fox Operating Company | Tulsa, OK 74119 | Oil Operator | May 1993 |
| 11914 | Gray Lloyd Energy Inc | Oklahoma City, OK 73120-8112 | Oil & Gas Operator | Nov 2005 |
| 11915 | Gray Oil & Gas Inc. | Abilene, TX 79606 | Oil & Gas Operator | Oct 2013 |
| 11916 | Gray Operating Company, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2018 |
| 11917 | Gray Pipeline Inc | Broomfield, CO 80023-8304 | Oil & Gas Operator | Jul 2018 |
| 11918 | Gray Production Trust | Dallas, TX 75261 | Oil & Gas Operator | Jul 2003 |
| 11919 | Gray, Gordon Operator | Snyder, TX 79550 | Oil & Gas Operator | Feb 2026 |
| 11920 | Gray, Jimmy W | | Oil & Gas Operator | Aug 1998 |
| 11921 | Gray, Mark W. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 11922 | Gray, Robert Leon | FT Stockton, TX 79735 | Oil & Gas Operator | Feb 2000 |
| 11923 | Gray, W. H. Operating | Odessa, TX 79762 | Oil Operator | Feb 2026 |
| 11924 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 11925 | Graycliff Conservancy, Inc. | Derby, NY 14047 | Gas Operator | Dec 2024 |
| 11926 | Grayco Energy Explor. Inc. | | Oil & Gas Operator | Dec 2010 |
| 11927 | Grayhawk Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 11928 | Grayhorse Operating Inc | Tulsa, OK 74103-4438 | Oil & Gas Operator | Oct 2025 |
| 11929 | Grayling Oil Inc | | Oil & Gas Operator | Feb 1995 |
| 11930 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
| 11931 | Graymarr LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 11932 | Grayrock Corp., The | Dallas, TX 75243 | Oil & Gas Operator | Dec 1999 |
| 11933 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Feb 2026 |
| 11934 | Grayrock Energy, LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Nov 2025 |
| 11935 | Grayson Mill Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 11936 | Grayson Operating LLC | Ada, OK 74820 | Oil & Gas Operator | Oct 2025 |
| 11937 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Feb 2026 |
| 11938 | Grayson Service Inc. | | Oil & Gas Operator | Nov 2025 |
| 11939 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Feb 2026 |
| 11940 | Graystone Exploration Corp. | Garland, TX 75043 | Oil & Gas Operator | Aug 2003 |
| 11941 | Graystone Operating, LLC | Fort Worth, TX 76121 | Gas Operator | Feb 2026 |
| 11942 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11943 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 11944 | Grease Exploration Incorporated | | Oil & Gas Operator | Dec 2024 |
| 11945 | Greasewood Oil Company | Midland, TX 79705 | Oil & Gas Operator | Jul 2007 |
| 11946 | Great American Exploration, Inc. | | Oil Operator | Feb 1979 |
| 11947 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Feb 2026 |
| 11948 | Great American Royalties, Inc. | | Oil Operator | Dec 2025 |
| 11949 | Great Basin Petroleum Serv, Inc. | Odessa, TX 79765 | Oil & Gas Operator | Nov 2002 |
| 11950 | Great Basin Petroleum Serv, L.P. | Odessa, TX 79765 | Oil & Gas Operator | Jul 2008 |
| 11951 | Great Basin Well Service Corp. | Odessa, TX 79765 | Oil & Gas Operator | Feb 2025 |
| 11952 | Great Basins Petroleum Co | | Gas Operator | Mar 2015 |
| 11953 | Great Bay Operations, LLC | Portsmouth, NH 03801 | Oil & Gas Operator | Nov 2016 |
| 11954 | Great Bear Pantheon, LLC | | Oil & Gas Operator | Dec 2025 |
| 11955 | Great Bend Oil P | | Oil Operator | Jun 1991 |
| 11956 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 11957 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 11958 | Great Horned Owls, LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 11959 | Great Lakes Chemical Corp | West Lafayette, IN 47906 | Oil & Gas Operator | Nov 2023 |
| 11960 | Great Lakes Conf. Of The Evangelical Covenant | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 11961 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 11962 | Great Lakes Petroleum Producers Inc | | Oil Operator | Dec 2025 |
| 11963 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
| 11964 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Feb 2026 |
| 11965 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jun 2016 |
| 11966 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 11967 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Sep 2025 |
| 11968 | Great Plains Exploration LLC | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 11969 | Great Plains Oil & Gas | Ada, OK 74820-7209 | Oil & Gas Operator | May 2013 |
| 11970 | Great Plains Oper LLC Dba Great MTN Oper | Grapevine, TX 76051-5477 | Gas Operator | Nov 2015 |
| 11971 | Great Plains Operating Inc | Bristow, OK 74010 | Oil & Gas Operator | Dec 1998 |
| 11972 | Great Plains Operating, LLC. | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2014 |
| 11973 | Great Plains Pet | | Oil & Gas Operator | Mar 1995 |
| 11974 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Sep 2025 |
| 11975 | Great Plains Pipeline Company | Tulsa, OK 74135-6405 | Oil & Gas Operator | Jul 2014 |
| 11976 | Great Plains Resources, Inc. | Nixon, TX 78140 | Oil & Gas Operator | Feb 2026 |
| 11977 | Great River Oil & Gas Corp. | | Oil & Gas Operator | Sep 1998 |
| 11978 | Great Scott, Inc. | | Oil & Gas Operator | Oct 1993 |
| 11979 | Great Southern - Joe Scates | | Oil Operator | Dec 1979 |
| 11980 | Great Southern Oil &Gas Co Inc | | Oil & Gas Operator | Dec 2004 |
| 11981 | Great Southern-Caddo-Lyons | | Oil & Gas Operator | Sep 1982 |
| 11982 | Great Southwestern Expl Inc | Tulsa, OK 74105 | Oil & Gas Operator | Oct 2025 |
| 11983 | Great Texas Crude Inc. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Feb 2026 |
| 11984 | Great Valley Petroleum Inc. | | Oil & Gas Operator | Dec 1994 |
| 11985 | Great Valley Resources, Inc. | | Oil & Gas Operator | Aug 1992 |
| 11986 | Great West Energy & Expl., Inc. | Addison, TX 75001 | Oil & Gas Operator | Mar 2008 |
| 11987 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 11988 | Great Western Drilling | | Oil Operator | Dec 2002 |
| 11989 | Great Western Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 11990 | Great Western Equipment Co | Mustang, OK 73064 | Oil & Gas Operator | Oct 2025 |
| 11991 | Great Western Land Co Inc | Tulsa, OK 74136-1517 | Oil & Gas Operator | Jun 2000 |
| 11992 | Great Western Oil Company | | Oil & Gas Operator | Dec 1984 |
| 11993 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 11994 | Great Western Operating Company LLC | | Oil & Gas Operator | Aug 2020 |
| 11995 | Great Western Resources Inc | | Oil & Gas Operator | Dec 1989 |
| 11996 | Great Yellowstone Corporation | | Oil & Gas Operator | Apr 1993 |
| 11997 | Greatbatch LTD. | Clarence, NY 14031 | Gas Operator | Dec 2024 |
| 11998 | Grecian Gas Company | | Gas Operator | Dec 2002 |
| 11999 | Greco Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 12000 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |