| 1 | G & M Contracting, Inc. | Thealka, KY 41240 | Gas Operator | Dec 2012 |
| 2 | G & S Drilling Company | | Oil & Gas Operator | Dec 2019 |
| 3 | G.O.W. Resources | Chester, WV 26034-0000 | Oil & Gas Operator | Dec 2020 |
| 4 | Gainer, Phillip L | Fort Myers, FL 33908 | Oil & Gas Operator | Dec 2021 |
| 5 | Gallatin Fuels, Inc. | Uniontown, PA 15401-5513 | Oil & Gas Operator | Dec 2020 |
| 6 | Garretson, E.C. Drilling | | Gas Operator | Dec 1995 |
| 7 | Garrett, Rick J And Desari S | Glenville, WV 26351-0000 | Oil & Gas Operator | Dec 2021 |
| 8 | Garvin & Summers | | Gas Operator | Dec 2005 |
| 9 | Gas Supply Corp | | Oil & Gas Operator | Dec 2008 |
| 10 | Gassearch Corporation | | Oil & Gas Operator | Dec 2008 |
| 11 | Genesis Exploration & Production Co., LLC | | Oil & Gas Operator | Dec 2019 |
| 12 | Genesis Hydrocarbon | | Oil & Gas Operator | Dec 2020 |
| 13 | Genesis Oil & Gas, LLC | Grantsville, WV 26147 | Gas Operator | Dec 2006 |
| 14 | Geo Energy, LLC | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 15 | Geoex, Inc. | Williamson, WV 25661 | Oil & Gas Operator | Dec 2023 |
| 16 | Geomet Operating Co., Inc. | | Gas Operator | Dec 2013 |
| 17 | Gilbert Development Company, Inc. | | Gas Operator | Dec 2020 |
| 18 | Gilbert Exploration Company Inc | Charleston, WV 25301 | Oil & Gas Operator | Dec 2023 |
| 19 | Gilco Gas, Inc. | | Gas Operator | Dec 2008 |
| 20 | Glen Daniels Gas Company | Charleston, WV 25300-0000 | Gas Operator | Dec 2021 |
| 21 | Glover Oilfield Service, Inc. | Olney, IL 62450 | Oil & Gas Operator | Dec 2013 |
| 22 | Glover'S Oil & Gas | Middlebourne, WV 26149 | Oil & Gas Operator | Dec 2021 |
| 23 | Goff Connector LLC | | Gas Operator | Jul 2014 |
| 24 | Goff, Delbert | | Gas Operator | Dec 2021 |
| 25 | Gossett, Henry O., Jr. | Longview, TX 75606 | Oil & Gas Operator | Dec 2001 |
| 26 | Gpo Energy, LLC | Walton, WV 25286 | Oil & Gas Operator | Dec 2020 |
| 27 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 28 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 29 | Green, Robert W | Ottawa, KS 66067 | Oil & Gas Operator | Dec 2017 |
| 30 | Greenville Land Development Co. | Elizabeth, WV 26143-0252 | Oil & Gas Operator | Dec 2021 |
| 31 | Greer Industries, Inc. | Morgantown, WV 26507-1900 | Gas Operator | Dec 2021 |
| 32 | Greer, Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 33 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 34 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 35 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 36 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 37 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 38 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 39 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |
| 40 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 41 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 42 | Guyan Gas Producers, Inc. | Oceana, WV 24870 | Gas Operator | Dec 2018 |