| 1 | G A W Oil Company LLC | Enid, OK 73702-3926 | Oil & Gas Operator | Jan 2024 |
| 2 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Jan 2024 |
| 3 | Gastar Exploration LLC | | Oil & Gas Operator | Jan 2024 |
| 4 | Gene Cook Inc | Woodward, OK 73802-0689 | Oil & Gas Operator | Feb 2024 |
| 5 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 6 | General Minerals Corp | Oklahoma City, OK 73105 | Oil & Gas Operator | Dec 2015 |
| 7 | General Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 8 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 9 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 10 | Geodyne Resources Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2010 |
| 11 | Getty Reserve Oil, Inc. | White Plains, NY 10650 | Oil & Gas Operator | Mar 2005 |
| 12 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2024 |
| 13 | Golden Gas Production Company | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 14 | Gothic Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2015 |
| 15 | Gothic Production Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2016 |
| 16 | GPM Gas Corporation | Oklahoma City, OK 73102-5627 | Oil & Gas Operator | Jun 2000 |
| 17 | Graham Oil And Gas, LTD. | Covington, LA 70434-3134 | Oil & Gas Operator | Aug 2013 |
| 18 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 19 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 20 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Feb 2024 |
| 21 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 22 | Guest Petroleum Incorporated | Edmond, OK 73083-0805 | Oil & Gas Operator | Feb 2024 |
| 23 | Guest R E Oil Producer | Edmond, OK 73083-0805 | Oil & Gas Operator | Mar 2015 |
| 24 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |