| 1 | G & M Contracting, Inc. | Thealka, KY 41240 | Gas Operator | Dec 2012 |
| 2 | G & S Drilling Company | | Oil & Gas Operator | Dec 2019 |
| 3 | Gainer, Phillip L | Fort Myers, FL 33908 | Oil & Gas Operator | Dec 2021 |
| 4 | Gallatin Fuels, Inc. | Uniontown, PA 15401-5513 | Oil & Gas Operator | Dec 2020 |
| 5 | Garrett, Rick J And Desari S | Glenville, WV 26351-0000 | Oil & Gas Operator | Dec 2021 |
| 6 | Gas Supply Corp | | Oil & Gas Operator | Dec 2008 |
| 7 | Gassearch Corporation | | Oil & Gas Operator | Dec 2008 |
| 8 | Genesis Exploration & Production Co., LLC | | Oil & Gas Operator | Dec 2019 |
| 9 | Geo Energy, LLC | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 10 | Geoex, Inc. | Williamson, WV 25661 | Oil & Gas Operator | Dec 2024 |
| 11 | Geomet Operating Co., Inc. | | Gas Operator | Dec 2013 |
| 12 | Gilbert Exploration Company Inc | Charleston, WV 25301 | Oil & Gas Operator | Dec 2024 |
| 13 | Gilco Gas, Inc. | | Gas Operator | Dec 2008 |
| 14 | Glover Oilfield Service, Inc. | Olney, IL 62450 | Oil & Gas Operator | Dec 2013 |
| 15 | Goff Connector LLC | | Gas Operator | Jul 2014 |
| 16 | Gossett, Henry O., Jr. | Longview, TX 75606 | Oil & Gas Operator | Dec 2001 |
| 17 | Gpo Energy, LLC | Walton, WV 25286 | Oil & Gas Operator | Dec 2020 |
| 18 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 19 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 20 | Greenville Land Development Co. | Elizabeth, WV 26143-0252 | Oil & Gas Operator | Dec 2021 |
| 21 | Greer Industries, Inc. | Morgantown, WV 26507-1900 | Gas Operator | Dec 2021 |
| 22 | Greer, Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 23 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 24 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Feb 2026 |
| 25 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 26 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 27 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 28 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |
| 29 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 30 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |