| 5501 | NIED UNIT | Greene County, PA | Gas Property | Jun 2026 |
| 5502 | NIPPERT/ | McKean County, PA | Oil Property | Dec 2019 |
| 5503 | NIPPERT/JENNINGS | McKean County, PA | Oil Property | Dec 2019 |
| 5504 | NIPPERT/M | McKean County, PA | Oil Property | Dec 2019 |
| 5505 | NISHNICK | Washington County, PA | Oil & Gas Property | Dec 2013 |
| 5506 | NIVER LOT | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5507 | NOBLE | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5508 | NOBLE 03 029 0 | Bradford County, PA | Gas Property | Jun 2026 |
| 5509 | NOBLE W S 1 | Washington County, PA | Gas Property | Dec 2025 |
| 5510 | NOBLE-GREATHOUSE UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 5511 | NOLA E & HAZEL E MCINTIRE | Indiana County, PA | Gas Property | Dec 2025 |
| 5512 | NOLDER | Armstrong County, PA | Gas Property | Jun 2026 |
| 5513 | NORA MORSE | Erie County, PA | Gas Property | Dec 2025 |
| 5514 | NORAH | Westmoreland County, PA | Gas Property | Jun 2026 |
| 5515 | NORCONK | Bradford County, PA | Gas Property | Jun 2026 |
| 5516 | NORDINE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5517 | NORMAN 00 | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 5518 | NORMAN R DUNLAP | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 5519 | NORMAN SMITH | Jefferson County, PA | Gas Property | Dec 2025 |
| 5520 | NORMAN W GROSCH | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5521 | NORMAN YODER (M-61 | Clearfield County, PA | Gas Property | Dec 2025 |
| 5522 | NORRIS 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 5523 | NORRIS DAVID ET AL UNIT | Allegheny County, PA | Gas Property | Jun 2026 |
| 5524 | NORTH | Mercer County, PA | Gas Property | Dec 2025 |
| 5525 | NORTH AMERICAN COAL | Indiana County, PA | Gas Property | Dec 2025 |
| 5526 | NORTH BEAVER NC DEVELOPMENT | Lawrence County, PA | Gas Property | Jun 2026 |
| 5527 | NORTH BEAVER SA | Lawrence County, PA | Gas Property | Jun 2026 |
| 5528 | NORTH BEAVER-KEPHART 3H | Lawrence County, PA | Oil & Gas Property | Jun 2026 |
| 5529 | NORTH COAST ENERGY FELTON | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5530 | NORTH EAST | Erie County, PA | Gas Property | Dec 2025 |
| 5531 | NORTH GERFIN PRICE | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5532 | NORTH PENN | Potter County, PA | Oil & Gas Property | Dec 2025 |
| 5533 | NORTH PENN | Potter County, PA | Gas Property | Dec 2025 |
| 5534 | NORTH PENN GAS CO | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5535 | NORTH PRICE | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5536 | NORTH VALENTINE PRICE | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5537 | NORTHERN | Elk County, PA | Oil & Gas Property | Dec 2018 |
| 5538 | NORTHERN ALLEGHENY CONSERVATION ASS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5539 | NORTHERN CENTRAL BANK | Clearfield County, PA | Gas Property | Dec 2025 |
| 5540 | NORTHFORK LP WARRANT 23 | Elk County, PA | Gas Property | Dec 2025 |
| 5541 | NORTHWEST MINING NW | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 5542 | NORTHWESTERN X | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5543 | NORTHWET MINING NW | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 5544 | NORTON | Sullivan County, PA | Gas Property | Jan 2026 |
| 5545 | NORTON-GLASSMAN LOT 515 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5546 | NORWIN SCHOOL DISTRICT 00 | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 5547 | NOSS UNIT | Beaver County, PA | Gas Property | Jun 2026 |
| 5548 | NOVOSEL | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5549 | NOVOSEL LOT 436 472 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5550 | NOWICKI | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5551 | NOWRYTOWN | Indiana County, PA | Gas Property | Dec 2025 |
| 5552 | NUHFER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5553 | NULL BOBST UNIT | Lycoming County, PA | Gas Property | Jun 2026 |
| 5554 | NULL EUGENE | Lycoming County, PA | Gas Property | Jun 2026 |
| 5555 | NW SECTION 1 10 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5556 | NYAL M CATHCART | Clearfield County, PA | Gas Property | Dec 2025 |
| 5557 | NYE BRANCH | Jefferson County, PA | Gas Property | Dec 2025 |
| 5558 | O & R KOHL | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 5559 | O CRAMER | Indiana County, PA | Gas Property | Dec 2025 |
| 5560 | O F HILL | Indiana County, PA | Gas Property | Dec 2025 |
| 5561 | O GIBSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 5562 | O J KING | Armstrong County, PA | Gas Property | Dec 2025 |
| 5563 | O M RE | Clearfield County, PA | Gas Property | Dec 2025 |
| 5564 | O REILLY 1 | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5565 | O W RIGGLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 5566 | OAK RIDGE N | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5567 | OAK TREE FAIRWAY UNIT | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 5568 | OAKES | McKean County, PA | Oil Property | Dec 2007 |
| 5569 | OAKES | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5570 | OAKLAND | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5571 | OAKLAND CEMET | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5572 | OAKMONT COUNT | Allegheny County, PA | Gas Property | Dec 2025 |
| 5573 | OAKMONT EAST | Allegheny County, PA | Gas Property | Dec 2025 |
| 5574 | OBER UNIT | Bradford County, PA | Gas Property | Jun 2026 |
| 5575 | OBER UNIT | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5576 | OBLINSKY | Indiana County, PA | Gas Property | Dec 2025 |
| 5577 | OBRIEN | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5578 | OCHS | Clearfield County, PA | Gas Property | Dec 2025 |
| 5579 | OCHS | Clarion County, PA | Gas Property | Dec 2025 |
| 5580 | OCHS INVESTMENT LTD PARTNERSHIP | Clarion County, PA | Gas Property | Dec 2025 |
| 5581 | OCHS/SBI | Armstrong County, PA | Gas Property | Dec 2025 |
| 5582 | OCTA NUPP | Indiana County, PA | Gas Property | Dec 2025 |
| 5583 | ODONNELL | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 5584 | ODONNELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5585 | ODONNELL JOSEPH UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 5586 | ODOWD | Susquehanna County, PA | Gas Property | Jun 2026 |
| 5587 | OESTERLING | Armstrong County, PA | Gas Property | Jun 2026 |
| 5588 | OFFUTT | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 5589 | OGONTZ FISHING CLUB | Lycoming County, PA | Gas Property | Jun 2026 |
| 5590 | OHIO VALLEY LBC UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 5591 | OIL CREEK S | Venango County, PA | Gas Property | Dec 2025 |
| 5592 | OILCAN | Bradford County, PA | Gas Property | Jun 2026 |
| 5593 | OLCZAK | Greene County, PA | Gas Property | Jun 2026 |
| 5594 | OLD HOME MANOR | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5595 | OLD MCDONALD FARM UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 5596 | OLD TOWN BEAGLE CLUB | Clearfield County, PA | Gas Property | Dec 2025 |
| 5597 | OLER THOMPSON B | Clearfield County, PA | Gas Property | Dec 2025 |
| 5598 | OLEXA | Fayette County, PA | Oil & Gas Property | Jun 2026 |
| 5599 | OLGA H WEBER | Jefferson County, PA | Gas Property | Dec 2025 |
| 5600 | OLIVE M MARBURGER LIVING TRUST | Butler County, PA | Oil & Gas Property | Jun 2026 |