| 1 | G A W Oil Company LLC | Enid, OK 73702-3926 | Oil & Gas Operator | Dec 2023 |
| 2 | Gem Oil Company | Albany, TX 76430 | Oil & Gas Operator | Sep 2002 |
| 3 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 4 | Geno Oil & Gas Corp | | Oil & Gas Operator | Sep 2009 |
| 5 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 6 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 7 | Geodyne Resources Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2010 |
| 8 | Geoquest Energy Inc | Enid, OK 73706-0216 | Oil & Gas Operator | Nov 2015 |
| 9 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 10 | Gill-Mac Inc | Nowata, OK 74048 | Oil & Gas Operator | May 1993 |
| 11 | Gilliland Oil And Gas Inc | Hennessey, OK 73742-0305 | Oil & Gas Operator | Jan 2024 |
| 12 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2024 |
| 13 | Goff D C Revocable Energy Trust | Fayetteville, AR 72702-1465 | Oil & Gas Operator | Jun 2005 |
| 14 | Goff Oil Company | | Oil & Gas Operator | Mar 1993 |
| 15 | Golden Circle Production Co | Seminole, OK 74868 | Oil & Gas Operator | May 2002 |
| 16 | Golden Gas Production Company | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2023 |
| 17 | Golden Gas Service Company | Tulsa, OK 74114-1757 | Oil & Gas Operator | Jan 2024 |
| 18 | Good Vaughn | Enid, OK 73702 | Oil & Gas Operator | Jul 2008 |
| 19 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 20 | Graves J M | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2007 |
| 21 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jul 2017 |
| 22 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2023 |
| 23 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 24 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |