| 1 | Ardent Resources, Inc. | Pittsburgh, PA 15241 | Oil & Gas Operator | Dec 2016 |
| 2 | Attica Central School District | Attica, NY 14011 | Gas Operator | Dec 2017 |
| 3 | Belden & Blake Corporation | Charleston, WV 25301 | Oil & Gas Operator | Dec 2016 |
| 4 | Empire Energy E & P LLC | Wichita, KS 67203 | Oil & Gas Operator | May 2018 |
| 5 | Fault Line Oil Corporation | Bradford, PA 16701 | Gas Operator | Dec 2004 |
| 6 | GFS Energy, Inc. | Shinglehouse, PA 16748 | Oil & Gas Operator | Dec 2017 |
| 7 | Great Lakes Energy Partners | Fort Worth, TX 76102 | Gas Operator | Dec 2007 |
| 8 | Hydrocarbon Generation, Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2017 |
| 9 | Keicher Brothers Enterprises | Cheektowaga, NY 14227 | Gas Operator | Dec 2017 |
| 10 | Lenape Resources Corp | Alexander, NY 14005 | Oil & Gas Operator | Dec 2000 |
| 11 | Lenape Resources, Inc. | Alexander, NY 14005 | Oil & Gas Operator | Dec 2017 |
| 12 | Mesa Energy, Inc. | | Oil & Gas Operator | Dec 2013 |
| 13 | Miller Gas Corp. | | Gas Operator | Dec 1993 |
| 14 | New York Gas & Oil Co, Inc. | | Gas Operator | Dec 2014 |
| 15 | Pefley Oil & Gas, Inc. | West Falls, NY 14170 | Oil & Gas Operator | Dec 2017 |
| 16 | PPP Future Development, Inc. | Alexander, NY 14005 | Oil & Gas Operator | Dec 2017 |
| 17 | Reisdorf, Christine A. | North Java, NY 14113 | Gas Operator | Dec 2017 |
| 18 | Standard Gas Company, LLC | Roland, AR 72135 | Gas Operator | Dec 2017 |
| 19 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2017 |
| 20 | Taylor Farms, Inc. | Whitsett, TX 78075 | Gas Operator | Dec 2002 |
| 21 | U.S. Energy Development Corp | Arlington, TX 76011 | Oil & Gas Operator | Sep 2018 |
| 22 | United States Gypsum Co. | Oakfield, NY 14125 | Gas Operator | Dec 2017 |