| 11901 | Graham Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 1988 |
| 11902 | Graham Royalty L | | Gas Operator | Mar 1991 |
| 11903 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 11904 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 11905 | Graham, H.E. | Imperial, TX 79743 | Oil & Gas Operator | Mar 2007 |
| 11906 | Graham, Lowell H. | Le Roy, KS 66857 | Oil Operator | Dec 2024 |
| 11907 | Graham, Marion T | | Oil Operator | Jan 2025 |
| 11908 | Graham, Tom Drilling Co. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 11909 | Graham-McCormick Oper. PRTSHP. | | Oil & Gas Operator | Aug 1989 |
| 11910 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 11911 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 11912 | Grahamsource Corp. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 11913 | Grain Makers Oil Co., LLC | Canyon, TX 79015 | Oil & Gas Operator | Apr 2025 |
| 11914 | Gram Oil Co | Bartlesville, OK 74003 | Oil Operator | Dec 2011 |
| 11915 | Grama Operating, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Apr 2025 |
| 11916 | Grammer, John, Oil Account | La Vernia, TX 78121 | Oil & Gas Operator | Aug 2017 |
| 11917 | Gramrich Oil & Gas Corporation | Coppell, TX 75019 | Oil & Gas Operator | Oct 2012 |
| 11918 | Granada Exploration LLC | Edmond, OK 73034-4172 | Oil & Gas Operator | Jan 2025 |
| 11919 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2025 |
| 11920 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 11921 | Grand Gulf Production, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Dec 1997 |
| 11922 | Grand Lake Resources | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2025 |
| 11923 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 11924 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Dec 2020 |
| 11925 | Grand Petroleum Co. | Pampa, TX 79065 | Oil & Gas Operator | Jul 2017 |
| 11926 | Grand Production Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2000 |
| 11927 | Grand Resources | Salt Lake City, UT 84115 | Oil & Gas Operator | Apr 1992 |
| 11928 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2025 |
| 11929 | Grand Resources, LTD. | Rockville, MD 20852 | Oil Operator | Jan 2025 |
| 11930 | Grand Valley Resources Inc | Seville, OH 44273 | Oil & Gas Operator | Dec 2024 |
| 11931 | Grandfield Consulting, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2011 |
| 11932 | Graner Oil Co. | | Oil & Gas Operator | Dec 2015 |
| 11933 | Granite Creek Energy LLC | Cody, WY 82414 | Oil & Gas Operator | Jan 2025 |
| 11934 | Granite Crossing, LLC | Austin, TX 78716 | Oil Operator | Apr 2025 |
| 11935 | Granite Oil & Gas Inc | Phoenix, AZ 85045 | Oil Operator | Mar 1996 |
| 11936 | Granite Oil Company | Austin, TX 78716 | Oil & Gas Operator | Nov 2000 |
| 11937 | Granite Operating Company | Houston, TX 77056 | Oil & Gas Operator | Nov 2012 |
| 11938 | Granitebay Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Apr 2025 |
| 11939 | Granja Corporation | | Oil & Gas Operator | Dec 2003 |
| 11940 | Grant Petroleum Corporation | Horseshoe Bay, TX 78657-8926 | Oil & Gas Operator | Dec 2014 |
| 11941 | Grant Resources, LLC | Ennis, TX 75120 | Oil Operator | Apr 2025 |
| 11942 | Grant Stan & Kru | | Oil Operator | Apr 1985 |
| 11943 | Grant, Elmer D., Estate Of | Wichita Falls, TX 76302 | Oil Operator | Apr 2025 |
| 11944 | Grapevine Energy LLC | | Oil & Gas Operator | Dec 2024 |
| 11945 | Grasen Energy, Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2013 |
| 11946 | Grasha, Matthew P. | Midland, TX 79709 | Oil & Gas Operator | Feb 1995 |
| 11947 | Grassland Petrol | | Oil Operator | Feb 1993 |
| 11948 | Gravel & Troegel-Petrofunds | | Oil & Gas Operator | Mar 1984 |
| 11949 | Gravelle Family Trust | | Oil & Gas Operator | Dec 1999 |
| 11950 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 11951 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | Dec 2024 |
| 11952 | Graves J M | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2007 |
| 11953 | Graves John G Oil Prop Inc | Tulsa, OK 74116-5666 | Oil & Gas Operator | Feb 2001 |
| 11954 | Graves Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2014 |
| 11955 | Graves Operating | Perryton, TX 79070 | Oil & Gas Operator | Jul 2005 |
| 11956 | Graves Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Apr 2025 |
| 11957 | Gravley Bill | Duncan, OK 73533 | Oil Operator | Nov 1998 |
| 11958 | Gravtro, Inc. | | Oil Operator | Apr 1986 |
| 11959 | Graward Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Apr 2025 |
| 11960 | Gray Development Co. LLC | | Oil & Gas Operator | Dec 2024 |
| 11961 | Gray Energy Corporation | | Oil & Gas Operator | May 1987 |
| 11962 | Gray Fox Operating Company | Tulsa, OK 74119 | Oil Operator | May 1993 |
| 11963 | Gray Lloyd Energy Inc | Oklahoma City, OK 73120-8112 | Oil & Gas Operator | Nov 2005 |
| 11964 | Gray Oil & Gas Inc. | Abilene, TX 79606 | Oil & Gas Operator | Oct 2013 |
| 11965 | Gray Operating Company, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2018 |
| 11966 | Gray Pipeline Inc | Broomfield, CO 80023-8304 | Oil & Gas Operator | Jul 2018 |
| 11967 | Gray Production Trust | Dallas, TX 75261 | Oil & Gas Operator | Jul 2003 |
| 11968 | Gray, Gordon Operator | Snyder, TX 79550 | Oil & Gas Operator | Apr 2025 |
| 11969 | Gray, Jimmy W | | Oil & Gas Operator | Aug 1998 |
| 11970 | Gray, Mark W. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 11971 | Gray, Robert Leon | FT Stockton, TX 79735 | Oil & Gas Operator | Feb 2000 |
| 11972 | Gray, W. H. Operating | Odessa, TX 79762 | Oil Operator | Apr 2025 |
| 11973 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 11974 | Grayco Energy Explor. Inc. | | Oil & Gas Operator | Dec 2010 |
| 11975 | Grayhawk Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 11976 | Grayhorse Operating Inc | Tulsa, OK 74103-4439 | Oil & Gas Operator | Jan 2025 |
| 11977 | Grayling Oil Inc | | Oil & Gas Operator | Feb 1995 |
| 11978 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
| 11979 | Graymarr LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 11980 | Grayrock Corp., The | Dallas, TX 75243 | Oil & Gas Operator | Dec 1999 |
| 11981 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Apr 2025 |
| 11982 | Grayrock Energy, LLC | Nichols Hills, OK 73116-5113 | Oil & Gas Operator | Jan 2025 |
| 11983 | Grayson Mill Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2025 |
| 11984 | Grayson Operating LLC | Ada, OK 74820 | Oil & Gas Operator | Jan 2025 |
| 11985 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Apr 2025 |
| 11986 | Grayson Service Inc. | | Oil & Gas Operator | Dec 2024 |
| 11987 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Apr 2025 |
| 11988 | Graystone Exploration Corp. | Garland, TX 75043 | Oil & Gas Operator | Aug 2003 |
| 11989 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11990 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 11991 | Grease Exploration Incorporated | | Oil & Gas Operator | Dec 2024 |
| 11992 | Greasewood Oil Company | Midland, TX 79705 | Oil & Gas Operator | Jul 2007 |
| 11993 | Great American Exploration, Inc. | | Oil Operator | Feb 1979 |
| 11994 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Apr 2025 |
| 11995 | Great American Royalties, Inc. | | Oil Operator | Mar 2025 |
| 11996 | Great Basin Petroleum Serv, Inc. | Odessa, TX 79765 | Oil & Gas Operator | Nov 2002 |
| 11997 | Great Basin Petroleum Serv, L.P. | Odessa, TX 79765 | Oil & Gas Operator | Jul 2008 |
| 11998 | Great Basin Well Service Corp. | Odessa, TX 79765 | Oil & Gas Operator | Feb 2025 |
| 11999 | Great Basins Petroleum Co. | | Gas Operator | Mar 2015 |
| 12000 | Great Bay Operations, LLC | Portsmouth, NH 03801 | Oil & Gas Operator | Nov 2016 |