| 401 | Milliman, John & Julie | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 402 | Milliman, Lee And Debora | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |
| 403 | Mills, Cary | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 404 | Mills, Donald R. & Kathleen A. | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 405 | Mills, Roger A. | Greenwood, NY 14839 | Oil & Gas Operator | Dec 2024 |
| 406 | Minard Run Oil Co | Bradford, PA 16701 | Oil & Gas Operator | Dec 2024 |
| 407 | Monroe, Cameron | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 408 | Moog Incorporated | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 409 | Moore, Mark C. | Darien Center, NY 14040 | Gas Operator | Dec 2024 |
| 410 | Morley, Kenneth A. | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 411 | Morreale, Michael G. & John W. | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 412 | Morris, Stanley A. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 413 | Morse, John R. | Portland, NY 14769 | Gas Operator | Dec 2024 |
| 414 | Mosher Gas, LLC | Knoxville, PA 16928 | Gas Operator | Dec 2024 |
| 415 | Mount, Thomas | North East, PA 16428 | Gas Operator | Dec 2024 |
| 416 | Mroz Baier, Christine | Memphis, TN 38120 | Gas Operator | Dec 2024 |
| 417 | Muffoletto, Michael R. | Brant, NY 14027 | Gas Operator | Dec 2024 |
| 418 | Muldowney Development, Inc. | Dunkirk, NY 14048 | Gas Operator | Dec 2024 |
| 419 | Mumford, Catherine | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 420 | Mumford-Gabel, Jennifer And Kyle Gabel | Lawtons, NY 14091 | Gas Operator | Dec 2024 |
| 421 | Murphy, Douglas S. | Sherman, NY 14781 | Gas Operator | Dec 2024 |
| 422 | Nagel, Arthur F. & Elaine L. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 423 | Nathan Petroleum Corp., Yahn & Yahn Inc | Rexville, NY 14877 | Oil & Gas Operator | Dec 2024 |
| 424 | Nathan Petroleum Corporation | Rexville, NY 14877 | Oil & Gas Operator | Dec 2024 |
| 425 | National Fuel Gas Supply Corporation | | Gas Operator | Dec 2010 |
| 426 | Neckers, Barry And Kathy | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 427 | Nelson, Nathan M. | Machias, NY 14101 | Gas Operator | Dec 2024 |
| 428 | Newland Farm | Freedom, NY 14065 | Gas Operator | Dec 2024 |
| 429 | Neyman, Robert L. & Maureen J. | Batavia, NY 14020 | Gas Operator | Dec 2024 |
| 430 | Nickerson, Royal | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 431 | Niefergold, Martin & Suzanne | Lawtons, NY 14091 | Gas Operator | Dec 2024 |
| 432 | NLC Newstead Holdings LLC | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 433 | Nobbs, Gary H. And Bosinski, Kathy | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 434 | Noble, Alton L | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 435 | Nolt, Leonard R. And Marian M. Nolt | Dundee, NY 14837 | Gas Operator | Dec 2024 |
| 436 | Nornew Inc | Houston, TX 77063-2140 | Oil & Gas Operator | Dec 2008 |
| 437 | Norris, Robert E. III | Savannah, NY 13146 | Gas Operator | Dec 2024 |
| 438 | Norse Energy Corp USA | | Gas Operator | Dec 2011 |
| 439 | North Harmony Ventures, Inc. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2024 |
| 440 | Northrop, Marilynne | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 441 | Nottis, David J. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 442 | Nucomer Energy LLC | Erie, PA 16507 | Oil & Gas Operator | May 2025 |
| 443 | O'Connor, Emma | Hamburg, NY 14075 | Gas Operator | Dec 2024 |
| 444 | O'Gorman, Brendan & Wheeler, Anne | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 445 | O'Gorman, Kevin | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 446 | Odebralski, Michael & Connie | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 447 | Oi Auburn, Inc. | Tulsa, OK 74135 | Gas Operator | Dec 2024 |
| 448 | Old Acres Farm, Inc. | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 449 | Olde Chautauqua Farms | Portland, NY 14769 | Gas Operator | Dec 2024 |
| 450 | Oonk, Harvey D. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 451 | Operating Engineers Local 17 Training Fund | Lake VIew, NY 14085 | Gas Operator | Dec 2024 |
| 452 | Orr, Jr., Donald R. | Batavia, NY 14020 | Gas Operator | Dec 2024 |
| 453 | Outman, Joshua J. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 454 | P&H Gas, LLC | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 455 | Palizay, Paul | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 456 | Pan Energy Company, Inc. | Orchard Park, NY 14127 | Oil & Gas Operator | Dec 2024 |
| 457 | Panama Central School District | Panama, NY 14767 | Gas Operator | Dec 2024 |
| 458 | Parmelee, Terrence G. E., Jr. | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 459 | Partyka, Joseph | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 460 | Pasnik, Joshua | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 461 | Pasnik, Matthew J., Pasnik, Linda H. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 462 | Payne, Sean And Heather | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 463 | Pecuch, Robert D. & Patricia B. | Cassadaga, NY 14718 | Gas Operator | Dec 2024 |
| 464 | Pefley Oil & Gas, Inc. | Colden, NY 14033 | Gas Operator | Dec 2024 |
| 465 | Pelletter, James J & Weist, Richard M | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 466 | Pembroke Central School District | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 467 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | May 2025 |
| 468 | Perkins & Perkins Oil Co. Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2024 |
| 469 | Pero Farms Inc. | Brant, NY 14027 | Gas Operator | Dec 2024 |
| 470 | Perry, Robert And Elizabeth | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 471 | Peterson, Thomas M. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2024 |
| 472 | Phillips Wny Farm Properties, LLC | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 473 | Piedmont Resources Corporation | Etna, NY 13062 | Oil Operator | Dec 2024 |
| 474 | Pine Valley Central School District | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 475 | Pinzok, Michael & Linda | Ripley, NY 14775 | Gas Operator | Dec 2024 |
| 476 | Pizzi, Ricardo A. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 477 | Plants & Goodwin Inc | Bradford, PA 16701-3733 | Oil & Gas Operator | Dec 2018 |
| 478 | PLF Energy, LLC | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 479 | Porebski, Adam R. | Gerry, NY 14740 | Gas Operator | Dec 2024 |
| 480 | PPP Future Development Inc. | Alexander, NY 14005 | Oil & Gas Operator | Dec 2024 |
| 481 | Preischel, Anthony H. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 482 | Press Holdings LLC | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 483 | Purdy, Sean P. & Deanna M. | Cassadaga, NY 14718 | Gas Operator | Dec 2024 |
| 484 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | May 2025 |
| 485 | Rapp, Brian R. And Judith E. | Cassadaga, NY 14718 | Gas Operator | Dec 2024 |
| 486 | Rapp, Kenneth E. | Sugar Grove, PA 16350 | Gas Operator | Dec 2024 |
| 487 | Rasmussen'S Energy, Inc. | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 488 | RC Southwell Oil LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2024 |
| 489 | Rebilas, Mark | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 490 | Red Maple Acres, LLC | Scipio Center, NY 13147 | Gas Operator | Dec 2024 |
| 491 | Reisdorf, Christine A. | North Java, NY 14113 | Gas Operator | Dec 2024 |
| 492 | Reiss, Kenneth G. | Cuba, NY 14727 | Gas Operator | Dec 2024 |
| 493 | Renold, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 494 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2025 |
| 495 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 496 | Reserve Gas Company, Inc. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 497 | Resetarits, David W. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 498 | Reyrock Oil, LLC | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 499 | Ricotta, Deborah | Lancaster, NY 14043 | Gas Operator | Dec 2024 |
| 500 | Rider, Scott A. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |