| 1 | M. J. McCaffery Oil Co. | Allegany, NY 14706 | Oil Operator | Dec 2017 |
| 2 | Macdonald, Reggie And Janyth | Stafford, NY 14143 | Gas Operator | Dec 2025 |
| 3 | Macnichols, Jennifer | Akron, NY 14001 | Gas Operator | Dec 2025 |
| 4 | Mahl, Matthew J. | Springville, NY 14141 | Gas Operator | Dec 2025 |
| 5 | Maki Gas Co. Inc. | Shinglehouse, PA 16748 | Gas Operator | Dec 2025 |
| 6 | Mance, Patricia M. | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 7 | Mancuso, Richard L. | Le Roy, NY 14482 | Gas Operator | Dec 2025 |
| 8 | Maple Lane Farms Dairy And Grain LLC | Marietta, NY 13110 | Gas Operator | Dec 2025 |
| 9 | Mariacher, Matthew | Elma, NY 14059 | Gas Operator | Dec 2025 |
| 10 | Marieff Petroleum, Inc. | Sagamore Hills, OH 44067 | Gas Operator | Dec 2025 |
| 11 | Mark T. Kellner Oil Co. | Olean, NY 14760 | Oil & Gas Operator | Dec 2025 |
| 12 | Markham, Charles A., Jr. & Janet E. | Gowanda, NY 14070 | Gas Operator | Dec 2025 |
| 13 | Martin, Landis | Geneva, NY 14456 | Gas Operator | Dec 2025 |
| 14 | Mascorella, Timothy James | Java Center, NY 14082 | Gas Operator | Dec 2025 |
| 15 | Mason, Harold J. | Waterville, NY 13480 | Gas Operator | Dec 2025 |
| 16 | Masterson, Michael | East Aurora, NY 14052 | Gas Operator | Dec 2025 |
| 17 | Mayshark, James Page | Sherman, NY 14781 | Gas Operator | Dec 2025 |
| 18 | Mazurkiewicz, Gary, Kimberly, Matt | Perrysburg, NY 14129 | Gas Operator | Dec 2025 |
| 19 | McBride, Jane | Perry, NY 14530 | Gas Operator | Dec 2025 |
| 20 | McBride, Nicholas J. & Holly M. | Lakeland, FL 33810 | Gas Operator | Dec 2025 |
| 21 | McCaffery & Krampf Oil Co. | Allegany, NY 14706 | Oil Operator | Dec 2012 |
| 22 | McCaskey, Jeffrey A. | East Aurora, NY 14052 | Gas Operator | Dec 2025 |
| 23 | McColl, Francis E. | Le Roy, NY 14482 | Gas Operator | Dec 2025 |
| 24 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Apr 2026 |
| 25 | McCormick, Mark | Java Center, NY 14082 | Gas Operator | Dec 2025 |
| 26 | McCormick, Ronald R. | Java Center, NY 14082 | Gas Operator | Dec 2025 |
| 27 | McCormick, Terrance & Anne | Andover, NY 14806 | Oil & Gas Operator | Dec 2025 |
| 28 | McCracken Energy Services, LLC | Bradford, PA 16701 | Oil & Gas Operator | Dec 2025 |
| 29 | McCracken Oil & Gas, LLC | Bradford, PA 16701 | Oil & Gas Operator | Dec 2025 |
| 30 | McCracken, Carl A. III | | Oil & Gas Operator | Dec 2012 |
| 31 | McCracken, Cory | Bradford, PA 16701 | Oil & Gas Operator | Dec 2025 |
| 32 | McCray, Gordon M. | Clymer, NY 14724 | Gas Operator | Dec 2025 |
| 33 | McKellpee Energy Corp. | Olean, NY 14760 | Oil & Gas Operator | Dec 2025 |
| 34 | Mead, Nathaniel E | Irving, NY 14081 | Gas Operator | Dec 2025 |
| 35 | Mecca, Terence P. | Derby, NY 14047 | Gas Operator | Dec 2025 |
| 36 | Meeder, Curt N. | Ripley, NY 14775 | Gas Operator | Dec 2025 |
| 37 | Megaenergy Operating, Inc. | Edmond, OK 73034 | Oil & Gas Operator | Jul 2015 |
| 38 | Meleen, Catherine M. & Ruch, Jerry E. | Westfield, NY 14787 | Gas Operator | Dec 2025 |
| 39 | Merrill, Brian G. | Depew, NY 14043 | Gas Operator | Dec 2025 |
| 40 | Mesa Energy, Inc. | Austin, TX 78755 | Oil & Gas Operator | Dec 2013 |
| 41 | Meter, Erin L. & William J. | Dansville, NY 14437 | Gas Operator | Dec 2025 |
| 42 | Meyer, David M. | South Wales, NY 14139 | Gas Operator | Dec 2025 |
| 43 | Miller Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Dec 2015 |
| 44 | Miller, Charles A., Jr. | South Dayton, NY 14138 | Gas Operator | Dec 2025 |
| 45 | Miller, Connie S. & Queen, Jennifere L | Blasdell, NY 14219 | Gas Operator | Dec 2025 |
| 46 | Miller, Henry G. | Perrysburg, NY 14129 | Gas Operator | Dec 2025 |
| 47 | Miller, Kathleen M. | Warsaw, NY 14569 | Gas Operator | Dec 2025 |
| 48 | Miller, Kyle | East Aurora, NY 14052 | Gas Operator | Dec 2025 |
| 49 | Miller, Neil S. | Sherman, NY 14781 | Gas Operator | Dec 2025 |
| 50 | Milliman, John & Julie | Randolph, NY 14772 | Gas Operator | Dec 2025 |
| 51 | Milliman, Lee And Debora | Cattaraugus, NY 14719 | Gas Operator | Dec 2025 |
| 52 | Mills, Cary | Limestone, NY 14753 | Oil & Gas Operator | Dec 2025 |
| 53 | Mills, Donald R. & Kathleen A. | Le Roy, NY 14482 | Gas Operator | Dec 2025 |
| 54 | Mills, Roger A. | Greenwood, NY 14839 | Oil & Gas Operator | Dec 2025 |
| 55 | Minard Run Oil Co | Bradford, PA 16701 | Oil & Gas Operator | Dec 2025 |
| 56 | Monroe, Cameron | Westfield, NY 14787 | Gas Operator | Dec 2025 |
| 57 | Moog Incorporated | Elma, NY 14059 | Gas Operator | Dec 2025 |
| 58 | Moore, Mark C. | Darien Center, NY 14040 | Gas Operator | Dec 2025 |
| 59 | Morley, Kenneth A. | Sinclairville, NY 14782 | Gas Operator | Dec 2025 |
| 60 | Morreale, Michael G. & John W. | Frewsburg, NY 14738 | Gas Operator | Dec 2025 |
| 61 | Morris, Stanley A. | Cherry Creek, NY 14723 | Gas Operator | Dec 2025 |
| 62 | Morse, John R. | Portland, NY 14769 | Gas Operator | Dec 2025 |
| 63 | Mosher Gas, LLC | Knoxville, PA 16928 | Gas Operator | Dec 2025 |
| 64 | Mount, Thomas | North East, PA 16428 | Gas Operator | Dec 2025 |
| 65 | Mroz Baier, Christine | Memphis, TN 38120 | Gas Operator | Dec 2025 |
| 66 | Muffoletto, Michael R. | Brant, NY 14027 | Gas Operator | Dec 2025 |
| 67 | Muldowney Development, Inc. | Dunkirk, NY 14048 | Gas Operator | Dec 2025 |
| 68 | Mumford, Catherine | Waterloo, NY 13165 | Gas Operator | Dec 2025 |
| 69 | Mumford-Gabel, Jennifer And Kyle Gabel | Lawtons, NY 14091 | Gas Operator | Dec 2025 |
| 70 | Murphy, Douglas S. | Sherman, NY 14781 | Gas Operator | Dec 2025 |