| 1 | G A W Oil Company LLC | Enid, OK 73702-3926 | Oil & Gas Operator | Jan 2024 |
| 2 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 3 | Gai-Jin Trading Company LLC | Oklahoma City, OK 73101-1131 | Oil & Gas Operator | Feb 2024 |
| 4 | Ganer Oil Company | Blackwell, OK 74631-4221 | Oil & Gas Operator | Jan 2022 |
| 5 | Garms Oil Inc | Kingfisher, OK 73750-4207 | Oil & Gas Operator | Jan 2024 |
| 6 | Gary M Lake & Company | Edmond, OK 73012-8208 | Oil & Gas Operator | Aug 2021 |
| 7 | Gastar Exploration LLC | | Oil & Gas Operator | Jan 2024 |
| 8 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 9 | General Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 10 | Genesis Crude Oil LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2000 |
| 11 | Genie Oil & Gas Corporation | Broken Arrow, OK 74013-3783 | Oil & Gas Operator | Jan 2024 |
| 12 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 13 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 14 | Geodyne Resources Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2010 |
| 15 | George H Russell Oil & Gas Investments Inc | Mustang, OK 73064-0129 | Oil & Gas Operator | Oct 2023 |
| 16 | Get Pumping LLC | | Oil & Gas Operator | Jan 2024 |
| 17 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 18 | Getty Reserve Oil, Inc. | White Plains, NY 10650 | Oil & Gas Operator | Mar 2005 |
| 19 | GHK Company LLC (The) | Oklahoma City, OK 73118-1120 | Oil & Gas Operator | Apr 2018 |
| 20 | Gilliland Oil And Gas Inc | Hennessey, OK 73742-0305 | Oil & Gas Operator | Feb 2024 |
| 21 | Glacier Petroleum Co Okla Inc | Edmond, OK 73013-1977 | Oil & Gas Operator | Feb 2024 |
| 22 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2024 |
| 23 | GLM Energy Inc | Oklahoma City, OK 73142 | Oil & Gas Operator | Jan 2024 |
| 24 | Godfrey Oil Properties | Madill, OK 73446-0183 | Oil & Gas Operator | Jan 2024 |
| 25 | Goff D C Revocable Energy Trust | Fayetteville, AR 72702-1465 | Oil & Gas Operator | Jun 2005 |
| 26 | Golden Gas Energies Inc | | Oil & Gas Operator | Jan 1999 |
| 27 | Golden Gas Production Company | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 28 | Gomaco Inc | Tulsa, OK 74103-5061 | Oil & Gas Operator | Apr 2015 |
| 29 | Gothic Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2015 |
| 30 | Gothic Production Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2016 |
| 31 | GPM Gas Corporation | Oklahoma City, OK 73102-5627 | Oil & Gas Operator | Jun 2000 |
| 32 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 33 | Grand Lake Resources | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2024 |
| 34 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | May 2024 |
| 35 | Great Plains Pipeline Company | Tulsa, OK 74135-6405 | Oil & Gas Operator | Jul 2014 |
| 36 | Great Yellowstone Corp. | | Oil & Gas Operator | Apr 1993 |
| 37 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2023 |
| 38 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Feb 2024 |
| 39 | Greenlee Oil And Gas LLC | Oklahoma City, OK 73189-1613 | Oil & Gas Operator | Dec 2023 |
| 40 | Greenwood Energy Inc | Oklahoma City, OK 73116-9083 | Oil & Gas Operator | Mar 2015 |
| 41 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | May 2024 |
| 42 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2024 |
| 43 | Gruenerwald WM & Assoc Inc | Colorado Spring, CO 80960-0669 | Oil & Gas Operator | Jan 2002 |
| 44 | Grynberg Petroleum Company | Greenwood Vge, CO 80111-3326 | Oil & Gas Operator | Oct 2019 |
| 45 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 46 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 47 | Gulfstream Petroleum Corp. | | Oil & Gas Operator | Feb 2002 |
| 48 | Gungoll Carl E Estate | Oklahoma City, OK 73154-0466 | Oil & Gas Operator | Aug 2000 |
| 49 | Gungoll Henry H. Associates | Enid, OK 73701 | Oil & Gas Operator | Jan 2024 |
| 50 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |