| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 4801 | MARBAKER | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4802 | MARBURGER FARM DAIRY | Butler County, PA | Gas Property | Oct 2025 |
| 4803 | MARCHAND 3 | Indiana County, PA | Gas Property | Oct 2025 |
| 4804 | MARCHEZAK | Washington County, PA | Oil & Gas Property | Oct 2025 |
| 4805 | MARCHEZAK | Washington County, PA | Gas Property | Dec 2024 |
| 4806 | MARCHINI ZINGIESER | Bradford County, PA | Gas Property | Sep 2025 |
| 4807 | MARCHO W&M | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4808 | MARCO | Westmoreland County, PA | Gas Property | Oct 2025 |
| 4809 | MARCO | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4810 | MARCUCCI JONES | Bradford County, PA | Gas Property | Oct 2025 |
| 4811 | MARGARET | Indiana County, PA | Gas Property | Dec 2024 |
| 4812 | MARGARET | Crawford County, PA | Gas Property | Dec 2024 |
| 4813 | MARGARET | Armstrong County, PA | Gas Property | Dec 2024 |
| 4814 | MARGARET | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4815 | MARGARET | Butler County, PA | Gas Property | Dec 2024 |
| 4816 | MARGARET E BECK | Indiana County, PA | Gas Property | Dec 2024 |
| 4817 | MARGARET E SHOUP | Greene County, PA | Gas Property | Dec 2022 |
| 4818 | MARGARET HAMILTON | Allegheny County, PA | Oil & Gas Property | Dec 2024 |
| 4819 | MARGARET L. GIBSON | Indiana County, PA | Gas Property | Dec 2024 |
| 4820 | MARGARIA PAUL UNIT | Washington County, PA | Gas Property | Oct 2025 |
| 4821 | MARGARIA RAYMOND UNIT | Washington County, PA | Gas Property | Oct 2025 |
| 4822 | MARGERY M STEPHENSON | Indiana County, PA | Gas Property | Dec 2024 |
| 4823 | MARIAN | Fayette County, PA | Gas Property | Dec 2024 |
| 4824 | MARIAN J BUTERBAUGH | Indiana County, PA | Gas Property | Dec 2024 |
| 4825 | MARIAN LASKOWSKI | Westmoreland County, PA | Gas Property | Oct 2025 |
| 4826 | MARIE C CAMPBELL | Armstrong County, PA | Gas Property | Dec 2024 |
| 4827 | MARIE FITZSIMMONS | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4828 | MARIE SNYDER | Clearfield County, PA | Gas Property | Dec 2024 |
| 4829 | MARINI | Armstrong County, PA | Gas Property | Dec 2024 |
| 4830 | MARIS | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4831 | MARJORIE C YANITY | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4832 | MARK A ANTHONY | Indiana County, PA | Gas Property | Dec 2024 |
| 4833 | MARK A ANTHONY | Indiana County, PA | Gas Property | Dec 2024 |
| 4834 | MARK A SNYDER ET UX | Armstrong County, PA | Gas Property | Dec 2024 |
| 4835 | MARK E DIXON | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4836 | MARK FEILING | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4837 | MARK M STEPHENSON | Indiana County, PA | Gas Property | Dec 2024 |
| 4838 | MARK REED MONTGOMERY | Jefferson County, PA | Gas Property | Dec 2024 |
| 4839 | MARK W & RUTH W SIMPSON | Indiana County, PA | Gas Property | Dec 2024 |
| 4840 | MARK WITHEROW | Clearfield County, PA | Gas Property | Dec 2024 |
| 4841 | MARKLE | Westmoreland County, PA | Oil & Gas Property | Oct 2025 |
| 4842 | MARKOVITCH | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4843 | MARLIN B STEPHENS | Indiana County, PA | Gas Property | Dec 2024 |
| 4844 | MARLIN FUNKA | Washington County, PA | Oil & Gas Property | Oct 2025 |
| 4845 | MARQUARDT | Lycoming County, PA | Gas Property | Oct 2025 |
| 4846 | MARSH | Mercer County, PA | Gas Property | Dec 2024 |
| 4847 | MARSH | Indiana County, PA | Gas Property | Dec 2024 |
| 4848 | MARSH | Indiana County, PA | Gas Property | Dec 2024 |
| 4849 | MARSHALL | Indiana County, PA | Gas Property | Dec 2024 |
| 4850 | MARSHALL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4851 | MARSHALL A DANIELSON | Warren County, PA | Gas Property | Dec 2024 |
| 4852 | MARSHALL HEIRS | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4853 | MARSHALL-BELL UNIT | Clearfield County, PA | Gas Property | Dec 2024 |
| 4854 | MARSHLANDS UNIT | Tioga County, PA | Gas Property | Oct 2025 |
| 4855 | MARSUN | Crawford County, PA | Gas Property | Dec 2024 |
| 4856 | MARTHA ARNOLD MILLS | Indiana County, PA | Gas Property | Dec 2024 |
| 4857 | MARTHA EARHART | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4858 | MARTHA MALES 125 A | Clarion County, PA | Gas Property | Dec 2024 |
| 4859 | MARTIN | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 4860 | MARTIN | Bradford County, PA | Gas Property | Sep 2025 |
| 4861 | MARTIN | Bradford County, PA | Gas Property | Oct 2025 |
| 4862 | MARTIN | Crawford County, PA | Gas Property | Dec 2024 |
| 4863 | MARTIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 4864 | MARTIN | Mercer County, PA | Gas Property | Dec 2024 |
| 4865 | MARTIN | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4866 | MARTIN | Jefferson County, PA | Gas Property | Dec 2024 |
| 4867 | MARTIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 4868 | MARTIN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4869 | MARTIN | Armstrong County, PA | Gas Property | Dec 2024 |
| 4870 | MARTIN BEARER | Cambria County, PA | Gas Property | Dec 2024 |
| 4871 | MARTIN C. TATE | Clearfield County, PA | Gas Property | Dec 2024 |
| 4872 | MARTIN EDWARD 12273 | Washington County, PA | Gas Property | Oct 2025 |
| 4873 | MARTIN FONNER | Greene County, PA | Oil & Gas Property | Dec 2024 |
| 4874 | MARTIN L BEARER | Indiana County, PA | Gas Property | Dec 2024 |
| 4875 | MARTIN L BEARER | Cambria County, PA | Gas Property | Dec 2024 |
| 4876 | MARTIN L BEARER | Indiana County, PA | Gas Property | Dec 2024 |
| 4877 | MARTIN MARIETTA CORP | Preston County, WV | Gas Property | Dec 2019 |
| 4878 | MARTINCIC | Washington County, PA | Gas Property | Dec 2024 |
| 4879 | MARTINO UNIT | Bradford County, PA | Gas Property | Oct 2025 |
| 4880 | MARVIN | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4881 | MARVIN RUL | Clarion County, PA | Gas Property | Dec 2024 |
| 4882 | MARY BASH | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4883 | MARY BOGDANSKI | Indiana County, PA | Gas Property | Dec 2024 |
| 4884 | MARY CONARRO C | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4885 | MARY CROYLE | Clarion County, PA | Gas Property | Dec 2024 |
| 4886 | MARY ELLEN HULLIHEN HEIRS | Clearfield County, PA | Gas Property | Dec 2024 |
| 4887 | MARY ETTA DUNMIRE | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4888 | MARY HART RINN | Indiana County, PA | Gas Property | Dec 2024 |
| 4889 | MARY JAMES | Elk County, PA | Gas Property | Dec 2024 |
| 4890 | MARY M | Clearfield County, PA | Gas Property | Dec 2024 |
| 4891 | MARY M FLEMING | Indiana County, PA | Gas Property | Dec 2024 |
| 4892 | MARY MCGEE | Clearfield County, PA | Gas Property | Dec 2024 |
| 4893 | MARY PAUKOVICH | Indiana County, PA | Gas Property | Dec 2024 |
| 4894 | MARY RO | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 4895 | MARYNCHAK UNIT | Washington County, PA | Gas Property | Oct 2025 |
| 4896 | MASE MONTE | Tioga County, PA | Gas Property | Oct 2025 |
| 4897 | MASSO | Susquehanna County, PA | Gas Property | Oct 2025 |
| 4898 | MAST | Lawrence County, PA | Oil & Gas Property | Dec 2024 |
| 4899 | MASTER SPLINTER | Washington County, PA | Gas Property | Oct 2025 |
| 4900 | MASTERBRAY | Fayette County, PA | Oil & Gas Property | Oct 2025 |