| 11901 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
| 11902 | Grey Oil Co | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 11903 | Grey Rider Energy, LLC | Schertz, TX 78154 | Oil & Gas Operator | Nov 2025 |
| 11904 | Grey Wolf Production Company, Inc. | Garnett, KS 66032-0426 | Oil Operator | Mar 2015 |
| 11905 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 11906 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 11907 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 11908 | Grey, Lonnie & Lennie Adams | Ravenna, KY 40472 | Oil Operator | Dec 2016 |
| 11909 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Aug 2025 |
| 11910 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 11911 | Greylock Production LLC | Charleston, WV 25311-1264 | Oil & Gas Operator | Aug 2025 |
| 11912 | Greystone Exploration Co | Oklahoma City, OK 73177 | Oil & Gas Operator | Apr 1996 |
| 11913 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 11914 | Greystone Operating, Inc. | | Oil & Gas Operator | Nov 2009 |
| 11915 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2025 |
| 11916 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 11917 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 11918 | Gribble Oil Company | | Oil & Gas Operator | Jun 1996 |
| 11919 | Gribble Oil Corporation | Dallas, TX 75235 | Oil Operator | Aug 1994 |
| 11920 | Griebel-Valliquette | Stroud, OK 74079-0231 | Oil & Gas Operator | Aug 2016 |
| 11921 | Griffin & Griffin Expl, LLC | | Oil & Gas Operator | Aug 2025 |
| 11922 | Griffin & Griffin Oil Co Inc | | Oil & Gas Operator | Jun 2001 |
| 11923 | Griffin & Griffin Oil Co., Inc Et Al | | Oil & Gas Operator | Jan 2010 |
| 11924 | Griffin Energy | | Oil & Gas Operator | May 1991 |
| 11925 | Griffin Energy Holdings, LLC | Plano, TX 75093 | Oil Operator | Nov 2025 |
| 11926 | Griffin Management LLC | | Oil & Gas Operator | Feb 2010 |
| 11927 | Griffin Operating | | Oil & Gas Operator | Mar 1995 |
| 11928 | Griffin Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Mar 2017 |
| 11929 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Nov 2025 |
| 11930 | Griffin Resources | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2003 |
| 11931 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2025 |
| 11932 | Griffin Resources, Inc. | | Oil & Gas Operator | Jun 2025 |
| 11933 | Griffin Southern Corp. | | Oil & Gas Operator | Jun 1983 |
| 11934 | Griffin Well Service Inc | Konawa, OK 74849-9710 | Oil & Gas Operator | Jul 2025 |
| 11935 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 11936 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 11937 | Griffis, Ronnie Et Al | | Oil & Gas Operator | Sep 2024 |
| 11938 | Griffith Petroleum Services Inc | Kingston, OK 73439 | Oil & Gas Operator | Jul 2025 |
| 11939 | Griffith Resources | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2013 |
| 11940 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 11941 | Griffith, Michael P. | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 11942 | Griffith, Wesley | | Oil & Gas Operator | Jun 2000 |
| 11943 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | Aug 2025 |
| 11944 | Griffon & Associates, L.L.C. | Pearland, TX 77581 | Oil & Gas Operator | Jul 2008 |
| 11945 | Griffon Petroleum, Inc. | Calgary, AB T2P 3K2 | Oil & Gas Operator | May 2007 |
| 11946 | Griggs Josh | Dewey, OK 74029 | Oil Operator | Jun 2025 |
| 11947 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 11948 | Griggs Oil LLC | Dewey, OK 74029-0477 | Oil & Gas Operator | Jun 2025 |
| 11949 | Griggs, VIctor C. | Austin, TX 78746 | Oil & Gas Operator | Nov 2025 |
| 11950 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2025 |
| 11951 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 11952 | Grigsby-McCord Joint Account | | Oil Operator | Apr 1984 |
| 11953 | Grigsby-McCord Joint Acct Etal | | Oil Operator | Apr 1984 |
| 11954 | Grim Paul A | Logan, OH 43138-9445 | Oil & Gas Operator | Dec 2020 |
| 11955 | Grimes Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Mar 2005 |
| 11956 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 11957 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 11958 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 11959 | Grissom, Charles A. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2001 |
| 11960 | Griswold Energy LLC | Oologah, OK 74053-6228 | Oil Operator | Jun 2025 |
| 11961 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Nov 2025 |
| 11962 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
| 11963 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 11964 | Grizzle, Joe B. | Paris, TX 75461 | Oil & Gas Operator | Nov 2025 |
| 11965 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 11966 | Grizzly Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Aug 2025 |
| 11967 | GRM LLC | | Oil & Gas Operator | Jun 2021 |
| 11968 | GRMR Oil And Gas LLC | Broomfield, CO 80021 | Oil & Gas Operator | Sep 2025 |
| 11969 | Gro-Tex Exploration | Abilene, TX 79603 | Oil Operator | Nov 2025 |
| 11970 | Grogan Field Production, L.L.C. | | Oil Operator | Jan 2025 |
| 11971 | Grooms T D | Stillwater, OK 74075-3600 | Oil & Gas Operator | Oct 2001 |
| 11972 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 11973 | Groshong Oil, LLC | Wellsville, KS 66092 | Oil Operator | May 2025 |
| 11974 | Gross Jack L Production | Borger, TX 79008-0065 | Gas Operator | Mar 2015 |
| 11975 | Gross Todd | Pine Bluffs, WY 82082 | Oil & Gas Operator | Mar 2007 |
| 11976 | Gross William R | | Oil Operator | Feb 1986 |
| 11977 | Gross, Charles E. | Dallas, TX 75220 | Oil & Gas Operator | Feb 2012 |
| 11978 | Gross, L. Jack Production | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 11979 | Grothe Bros. | Albany, TX 76430 | Oil & Gas Operator | May 2011 |
| 11980 | Grothe Bros., Inc. | Slaton, TX 79364 | Oil & Gas Operator | Nov 2025 |
| 11981 | Grothe, M. L. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2010 |
| 11982 | Grothe, M.L. Est. | Slaton, TX 79364 | Oil & Gas Operator | Nov 2025 |
| 11983 | Grothues, G B Oil | Natalia, TX 78059 | Oil Operator | Nov 2025 |
| 11984 | Ground Development Company Inc | Dallas, TX 75229-0377 | Oil & Gas Operator | Jan 2013 |
| 11985 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 11986 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 11987 | Grover Collins | | Oil & Gas Operator | Dec 2002 |
| 11988 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 11989 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 11990 | GRR Mammoser Partnership | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 11991 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |
| 11992 | Grubb F W "Forest" | Garber, OK 73738-0186 | Oil & Gas Operator | Jun 2005 |
| 11993 | Grubb Ronald J | Clinton, OK 73601-0906 | Oil & Gas Operator | Aug 2013 |
| 11994 | Gruenerwald WM & | | Oil & Gas Operator | Apr 1994 |
| 11995 | Gruenerwald WM & Assoc Inc | Colorado Spring, CO 80960-0669 | Oil & Gas Operator | Jan 2002 |
| 11996 | Grunder Oil, LLC | St John, KS 67576 | Oil Operator | Jun 2025 |
| 11997 | Gruss Petroleum | | Oil Operator | Jan 1986 |
| 11998 | Gruy Management Service Co. | | Oil & Gas Operator | Apr 1982 |
| 11999 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 12000 | Grynberg Petroleum Company | Greenwood Vge, CO 80111-3326 | Oil & Gas Operator | Oct 2019 |