| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 4901 | MARK WITHEROW | Clearfield County, PA | Gas Property | Dec 2024 |
| 4902 | MARKLE | Westmoreland County, PA | Oil & Gas Property | May 2025 |
| 4903 | MARKOVITCH | Susquehanna County, PA | Gas Property | May 2025 |
| 4904 | MARLIN B STEPHENS | Indiana County, PA | Gas Property | Dec 2024 |
| 4905 | MARLIN FUNKA | Washington County, PA | Oil & Gas Property | May 2025 |
| 4906 | MARQUARDT | Lycoming County, PA | Gas Property | May 2025 |
| 4907 | MARSH | Indiana County, PA | Gas Property | Dec 2024 |
| 4908 | MARSH | Indiana County, PA | Gas Property | Dec 2024 |
| 4909 | MARSH | Mercer County, PA | Gas Property | Dec 2024 |
| 4910 | MARSHALL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4911 | MARSHALL | Indiana County, PA | Gas Property | Dec 2024 |
| 4912 | MARSHALL A DANIELSON | Warren County, PA | Gas Property | Dec 2024 |
| 4913 | MARSHALL HEIRS | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4914 | MARSHALL-BELL UNIT | Clearfield County, PA | Gas Property | Dec 2024 |
| 4915 | MARSHLANDS UNIT | Tioga County, PA | Gas Property | May 2025 |
| 4916 | MARSUN | Crawford County, PA | Gas Property | Dec 2024 |
| 4917 | MARTHA ARNOLD MILLS | Indiana County, PA | Gas Property | Dec 2024 |
| 4918 | MARTHA EARHART | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4919 | MARTHA MALES 125 A | Clarion County, PA | Gas Property | Dec 2024 |
| 4920 | MARTIN | Bradford County, PA | Gas Property | May 2025 |
| 4921 | MARTIN | Bradford County, PA | Gas Property | May 2025 |
| 4922 | MARTIN | Mercer County, PA | Gas Property | Dec 2024 |
| 4923 | MARTIN | Jefferson County, PA | Gas Property | Dec 2024 |
| 4924 | MARTIN | Crawford County, PA | Gas Property | Dec 2024 |
| 4925 | MARTIN | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4926 | MARTIN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4927 | MARTIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 4928 | MARTIN | Armstrong County, PA | Gas Property | Dec 2024 |
| 4929 | MARTIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 4930 | MARTIN | Washington County, PA | Oil Property | Dec 2005 |
| 4931 | MARTIN BEARER | Cambria County, PA | Gas Property | Dec 2024 |
| 4932 | MARTIN C. TATE | Clearfield County, PA | Gas Property | Dec 2024 |
| 4933 | MARTIN EDWARD 12273 | Washington County, PA | Gas Property | May 2025 |
| 4934 | MARTIN FONNER | Greene County, PA | Oil & Gas Property | Dec 2024 |
| 4935 | MARTIN L BEARER | Cambria County, PA | Gas Property | Dec 2024 |
| 4936 | MARTIN L BEARER | Indiana County, PA | Gas Property | Dec 2024 |
| 4937 | MARTIN L BEARER | Indiana County, PA | Gas Property | Dec 2024 |
| 4938 | MARTIN MARIETTA CORP | Preston County, WV | Gas Property | Dec 2019 |
| 4939 | MARTINCIC | Washington County, PA | Gas Property | Dec 2024 |
| 4940 | MARTZ | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 4941 | MARVIN | Susquehanna County, PA | Gas Property | May 2025 |
| 4942 | MARVIN RUL | Clarion County, PA | Gas Property | Dec 2024 |
| 4943 | MARY BASH | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4944 | MARY BOGDANSKI | Indiana County, PA | Gas Property | Dec 2024 |
| 4945 | MARY CONARRO C | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4946 | MARY CROYLE | Clarion County, PA | Gas Property | Dec 2024 |
| 4947 | MARY ELLEN HULLIHEN HEIRS | Clearfield County, PA | Gas Property | Dec 2024 |
| 4948 | MARY ETTA DUNMIRE | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4949 | MARY HART RINN | Indiana County, PA | Gas Property | Dec 2024 |
| 4950 | MARY JAMES | Elk County, PA | Gas Property | Dec 2024 |
| 4951 | MARY M | Clearfield County, PA | Gas Property | Dec 2024 |
| 4952 | MARY M FLEMING | Indiana County, PA | Gas Property | Dec 2024 |
| 4953 | MARY MCGEE | Clearfield County, PA | Gas Property | Dec 2024 |
| 4954 | MARY PAUKOVICH | Indiana County, PA | Gas Property | Dec 2024 |
| 4955 | MARY RO | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 4956 | MARYNCHAK UNIT | Washington County, PA | Gas Property | May 2025 |
| 4957 | MASE MONTE | Tioga County, PA | Gas Property | May 2025 |
| 4958 | MASSO | Susquehanna County, PA | Gas Property | May 2025 |
| 4959 | MAST | Lawrence County, PA | Oil & Gas Property | Dec 2024 |
| 4960 | MAST M | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4961 | MASTER SPLINTER | Washington County, PA | Gas Property | May 2025 |
| 4962 | MASTERBRAY | Fayette County, PA | Oil & Gas Property | May 2025 |
| 4963 | MASTERS | Venango County, PA | Oil Property | Dec 2024 |
| 4964 | MATCHETT FARM 12122 | Washington County, PA | Gas Property | May 2025 |
| 4965 | MATEER | Armstrong County, PA | Gas Property | Dec 2024 |
| 4966 | MATEER/SBI | Armstrong County, PA | Gas Property | Dec 2024 |
| 4967 | MATHEWS | McKean County, PA | Gas Property | Dec 2024 |
| 4968 | MATHEWS | Greene County, PA | Oil & Gas Property | May 2025 |
| 4969 | MATHEWS UNIT | Crawford County, PA | Gas Property | Dec 2024 |
| 4970 | MATSON | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 4971 | MATSON | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4972 | MATSON 193 | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4973 | MATSON MATSON | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4974 | MATT | Sullivan County, PA | Gas Property | May 2025 |
| 4975 | MATT DALE | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4976 | MATT WILL FARMS | Bradford County, PA | Gas Property | May 2025 |
| 4977 | MATTESON | Potter County, PA | Gas Property | Dec 2024 |
| 4978 | MATTHEW ANTHONY | Armstrong County, PA | Gas Property | Dec 2024 |
| 4979 | MATTHEW HEIRS | Allegheny County, PA | Oil & Gas Property | Dec 2024 |
| 4980 | MATTHEW MILLER | Armstrong County, PA | Gas Property | Feb 2025 |
| 4981 | MATTHEWS | Greene County, PA | Oil & Gas Property | May 2025 |
| 4982 | MATTIE | Armstrong County, PA | Gas Property | Dec 2024 |
| 4983 | MATTOCKS UNIT MATTOCKS | Wyoming County, PA | Gas Property | May 2025 |
| 4984 | MATTY/MOMYER | Westmoreland County, PA | Gas Property | May 2025 |
| 4985 | MATWAY | Fayette County, PA | Gas Property | Dec 2024 |
| 4986 | MATZ 824 | Tioga County, PA | Gas Property | May 2025 |
| 4987 | MAUDE E. CUMMIN | Armstrong County, PA | Gas Property | Dec 2024 |
| 4988 | MAURICE | Armstrong County, PA | Gas Property | Dec 2024 |
| 4989 | MAURICE M SINAN ET UX | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4990 | MAVILLA 42 | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 4991 | MAWC TR | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4992 | MAWC TR 1 | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4993 | MAWC TR 2 | Westmoreland County, PA | Gas Property | May 2025 |
| 4994 | MAWC TR 51 HUTCHIN | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4995 | MAWC TRACT 3 | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4996 | MAX M LLOYD | Indiana County, PA | Gas Property | Dec 2024 |
| 4997 | MAX M SHOFESTALL | Clarion County, PA | Gas Property | Dec 2024 |
| 4998 | MAX TENN | Armstrong County, PA | Gas Property | Dec 2024 |
| 4999 | MAX THEODORE CRAIG | Indiana County, PA | Gas Property | Dec 2024 |
| 5000 | MAXSON | Potter County, PA | Gas Property | Dec 2024 |