| 1 | G & R Lumber Co, Inc | | Oil Operator | Dec 2015 |
| 2 | G & R Oil | Columbia, KY 42728 | Oil & Gas Operator | Dec 2019 |
| 3 | Gabbard, Charles | Manchester, KY 40962 | Gas Operator | Dec 2019 |
| 4 | Gallagher Drilling Inc | Evansville, IN 47730 | Oil Operator | Dec 2020 |
| 5 | Garmon, James E | Burkesville, KY 42717 | Oil Operator | Dec 2023 |
| 6 | Garner, Jason L | Byrdstown, TN 38549 | Oil Operator | Dec 2023 |
| 7 | Gas Acquisition Corp | | Oil & Gas Operator | Dec 2024 |
| 8 | Gator Oil Co | Banner Elk, NC 28604 | Oil & Gas Operator | Dec 2020 |
| 9 | Gea Oil Drilling LLC | | Oil Operator | Dec 2016 |
| 10 | Geigo Co, LLP | | Oil Operator | Dec 2017 |
| 11 | Geo Exploration, Inc | Paducah, KY 42002 | Oil Operator | Dec 2024 |
| 12 | Geo Oil Co Inc | Bloomington, IN 47402 | Oil Operator | Dec 2023 |
| 13 | Geoex, Inc. | Williamson, WV 25661 | Oil & Gas Operator | Dec 2024 |
| 14 | Georesources, Inc. | Williston, ND 58802-1505 | Oil & Gas Operator | Dec 2024 |
| 15 | Ghent Inv, Inc | Lexington, KY 40588 | Oil & Gas Operator | Dec 2023 |
| 16 | Gilbert Exploration Company Inc | Charleston, WV 25301 | Oil & Gas Operator | Dec 2024 |
| 17 | Global Exploration, LLC | Lexington, KY 40502 | Oil Operator | Dec 2023 |
| 18 | Glover Oilfield Service, Inc. | Olney, IL 62450 | Oil & Gas Operator | Dec 2013 |
| 19 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 20 | Great Western Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 21 | Green River Gas Co, Inc | | Oil & Gas Operator | Dec 2010 |
| 22 | Greenville Oil Company | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 23 | Grey Eagle Const Co | Kermit, WV 25674 | Gas Operator | Dec 2024 |
| 24 | Grey, Lonnie & Lennie Adams | Ravenna, KY 40472 | Oil Operator | Dec 2016 |
| 25 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Feb 2026 |
| 26 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 27 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
| 28 | Gulf Refining Co | | Oil Operator | Dec 2006 |
| 29 | Gulfstar Energy Group, LLC | Caneyville, KY 42721 | Oil & Gas Operator | Dec 2024 |