| 11901 | Greenwood Janet | Mannford, OK 74044 | Oil Operator | Apr 2014 |
| 11902 | Greenwood Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Aug 2013 |
| 11903 | Greenwood Oil LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 11904 | Greenwood Resources | | Oil & Gas Operator | Jan 1992 |
| 11905 | Greenwood Resources L.L.C. | Pratt, KS 67124 | Oil Operator | Mar 2025 |
| 11906 | Greer & Beckham Gas Co Inc | Shamrock, TX 79079-0606 | Oil & Gas Operator | Aug 2013 |
| 11907 | Greer Energy, Inc. | | Oil Operator | Dec 1996 |
| 11908 | Greer Exploration Corporation | Shreveport, LA 71118 | Oil & Gas Operator | Jul 2017 |
| 11909 | Greer Family Trust | Ponca City, OK 74601-8126 | Oil Operator | Aug 2018 |
| 11910 | Greer Industries, Inc. | Morgantown, WV 26507-1900 | Gas Operator | Dec 2021 |
| 11911 | Greer Oil Compan | | Oil & Gas Operator | Jun 1988 |
| 11912 | Greer Tom & Welm | | Oil Operator | Mar 1995 |
| 11913 | Greer Tom R | Ponca City, OK 74602-2444 | Oil & Gas Operator | May 2013 |
| 11914 | Greer, Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 11915 | Greer, Joseph V. | Yates Center, KS 66783 | Oil & Gas Operator | Oct 2005 |
| 11916 | Greer, Tom | Ponca City, OK 74602 | Oil Operator | Aug 2016 |
| 11917 | Greg Davis Investments Inc | Edmond, OK 73034-6621 | Oil Operator | May 2020 |
| 11918 | Greg Hall Oil & Gas LLC | Norman, OK 73072 | Oil & Gas Operator | Apr 2025 |
| 11919 | Gregco, Inc. | Paducah, TX 79248 | Oil & Gas Operator | May 1999 |
| 11920 | Gregg Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 11921 | Gregg Price Corp | Dover, OH 44622 | Oil & Gas Operator | Dec 2014 |
| 11922 | Gregory, J. Russell Inc. | Houston, TX 77025 | Gas Operator | Nov 2009 |
| 11923 | Gregory, JD | | Oil & Gas Operator | Dec 2021 |
| 11924 | Greka Am Inc | Santa Maria, CA 93454 | Oil & Gas Operator | May 2013 |
| 11925 | Grenadier Energy Partners II,LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2020 |
| 11926 | Gresham Oil & Gas (USA) Inc. | Littleton, CO 80122 | Oil & Gas Operator | Jan 1999 |
| 11927 | Gress Oil & Gas | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 11928 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Mar 2025 |
| 11929 | Gressel, Dewey H. | | Oil Operator | Dec 2009 |
| 11930 | Greta Operating Company LLC | Refugio, TX 78377 | Oil & Gas Operator | Jul 2025 |
| 11931 | Grewing, Florence T. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2008 |
| 11932 | Grewing, Herman | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 11933 | Grewing, Herman Operating, Inc. | Muenster, TX 76252 | Oil Operator | Jul 2025 |
| 11934 | Grewing, Wayne R. Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2018 |
| 11935 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 11936 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
| 11937 | Grey Oil Company | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 11938 | Grey Rider Energy, LLC | Schertz, TX 78154 | Oil & Gas Operator | Jul 2025 |
| 11939 | Grey Wolf Production Company, Inc. | Garnett, KS 66032-0426 | Oil Operator | Mar 2015 |
| 11940 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 11941 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 11942 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 11943 | Grey, Lonnie & Lennie Adams | Ravenna, KY 40472 | Oil Operator | Dec 2016 |
| 11944 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | May 2025 |
| 11945 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 11946 | Greylock Production LLC | Charleston, WV 25311-1264 | Oil & Gas Operator | May 2025 |
| 11947 | Greystone Exploration Co | Oklahoma City, OK 73177 | Oil & Gas Operator | Apr 1996 |
| 11948 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 11949 | Greystone Operating, Inc. | | Oil & Gas Operator | Nov 2009 |
| 11950 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2025 |
| 11951 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 11952 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 11953 | Gribble Oil Company | | Oil & Gas Operator | Jun 1996 |
| 11954 | Gribble Oil Corporation | Dallas, TX 75235 | Oil Operator | Aug 1994 |
| 11955 | Griebel-Valliquette | Stroud, OK 74079-0231 | Oil & Gas Operator | Aug 2016 |
| 11956 | Griffin & Griffin Expl, LLC | | Oil & Gas Operator | May 2025 |
| 11957 | Griffin & Griffin Oil Co. Inc. | | Oil & Gas Operator | Jun 2001 |
| 11958 | Griffin & Griffin Oil Co., Inc Et Al | | Oil & Gas Operator | Jan 2010 |
| 11959 | Griffin Energy | | Oil & Gas Operator | May 1991 |
| 11960 | Griffin Energy Holdings, LLC | Plano, TX 75093 | Oil Operator | Jul 2025 |
| 11961 | Griffin Management LLC | | Oil & Gas Operator | Feb 2010 |
| 11962 | Griffin Operating | | Oil & Gas Operator | Mar 1995 |
| 11963 | Griffin Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Mar 2017 |
| 11964 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 11965 | Griffin Resources | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2003 |
| 11966 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2025 |
| 11967 | Griffin Resources, Inc. | | Oil & Gas Operator | Mar 2025 |
| 11968 | Griffin Southern Corp. | | Oil & Gas Operator | Jun 1983 |
| 11969 | Griffin Well Service Inc | Konawa, OK 74849-9710 | Oil & Gas Operator | Apr 2025 |
| 11970 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 11971 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Mar 2025 |
| 11972 | Griffis, Ronnie Et Al | Stephens, AR 71764 | Oil & Gas Operator | Sep 2024 |
| 11973 | Griffith Petroleum Services Inc | Kingston, OK 73439 | Oil & Gas Operator | Apr 2025 |
| 11974 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 11975 | Griffith, Michael P. | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 11976 | Griffith, Wesley | | Oil & Gas Operator | Jun 2000 |
| 11977 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | May 2025 |
| 11978 | Griffon & Associates, L.L.C. | Pearland, TX 77581 | Oil & Gas Operator | Jul 2008 |
| 11979 | Griffon Petroleum, Inc. | Calgary, AB T2P 3K2 | Oil & Gas Operator | May 2007 |
| 11980 | Griggs Josh | Dewey, OK 74029 | Oil Operator | Apr 2025 |
| 11981 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 11982 | Griggs Oil LLC | Dewey, OK 74029-0477 | Oil & Gas Operator | Apr 2025 |
| 11983 | Griggs, VIctor C. | Austin, TX 78746 | Oil & Gas Operator | Jul 2025 |
| 11984 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2025 |
| 11985 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 11986 | Grigsby-McCord Joint Account | | Oil Operator | Apr 1984 |
| 11987 | Grigsby-McCord Joint Acct Etal | | Oil Operator | Apr 1984 |
| 11988 | Grim Paul A | Logan, OH 43138-9445 | Oil & Gas Operator | Dec 2020 |
| 11989 | Grimes Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Mar 2005 |
| 11990 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 11991 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 11992 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 11993 | Grissom, Charles A. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2001 |
| 11994 | Griswold Energy LLC | Oologah, OK 74053-6228 | Oil Operator | Apr 2025 |
| 11995 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Jul 2025 |
| 11996 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
| 11997 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 11998 | Grizzle, Joe B. | Paris, TX 75461 | Oil & Gas Operator | Jul 2025 |
| 11999 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 12000 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | May 2025 |