| 101 | FEE E | Jefferson County, PA | Gas Property | Dec 2008 |
| 102 | FEE ELK STATE FOREST | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 103 | FEE F | Jefferson County, PA | Gas Property | Dec 2010 |
| 104 | FEE G | Jefferson County, PA | Gas Property | Dec 2012 |
| 105 | FEE J | Jefferson County, PA | Gas Property | Dec 2008 |
| 106 | FEE J | Jefferson County, PA | Gas Property | Dec 2008 |
| 107 | FEE J & C HAUGH LOT 1 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 108 | FEE KEYSTONE CARBON 3747 | Elk County, PA | Gas Property | Dec 2025 |
| 109 | FEE PA SGL | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 110 | FEE PA SGL 44 3 | Elk County, PA | Gas Property | Dec 2025 |
| 111 | FEE PA SGL 54 3846 | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 112 | FEE PA TIMBER LP 38 | Elk County, PA | Gas Property | Dec 2025 |
| 113 | FEE PGC SGL 25 3 | Elk County, PA | Gas Property | Dec 2025 |
| 114 | FEE PGC SGL 25 38 | Elk County, PA | Gas Property | Dec 2025 |
| 115 | FEE RM & WB DUNN LOT 216 3796 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 116 | FEE SRC LOT 13 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 117 | FEE SRC WARRANT 23 | Elk County, PA | Gas Property | Dec 2025 |
| 118 | FEE ST FOREST 384 | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 119 | FEE WARRANT 2364 3845 | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 120 | FEE WARRANT 31 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 121 | FEE WARRANT 515 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 122 | FEE"A"(M-701)JB GRAHAM | Clearfield County, PA | Gas Property | Dec 2025 |
| 123 | FEE-ELK STATE | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 124 | FEEA | Clearfield County, PA | Gas Property | Dec 2025 |
| 125 | FEEVEY | Venango County, PA | Gas Property | Dec 2024 |
| 126 | FEGLEY | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 127 | FEHR F | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 128 | FELD | Westmoreland County, PA | Gas Property | Dec 2025 |
| 129 | FELTER | Bradford County, PA | Gas Property | Dec 2025 |
| 130 | FENSTERMAKER | Jefferson County, PA | Gas Property | Dec 2025 |
| 131 | FENTON | Westmoreland County, PA | Gas Property | Dec 2024 |
| 132 | FENTON | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 133 | FENTON R | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 134 | FERENS | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 135 | FERGUSON | Clarion County, PA | Gas Property | Dec 2015 |
| 136 | FERGUSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 137 | FERGUSON | Indiana County, PA | Gas Property | Dec 2025 |
| 138 | FERGUSON | Bradford County, PA | Gas Property | Dec 2025 |
| 139 | FERGUSON A | Susquehanna County, PA | Gas Property | Dec 2025 |
| 140 | FERGUSON KEISLING | Bradford County, PA | Gas Property | Dec 2025 |
| 141 | FERM | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 142 | FERRARO | Bradford County, PA | Gas Property | Dec 2025 |
| 143 | FERREBEE BEA | Beaver County, PA | Gas Property | Dec 2025 |
| 144 | FERREE | Butler County, PA | Gas Property | Dec 2025 |
| 145 | FERRIS | Mercer County, PA | Gas Property | Dec 2025 |
| 146 | FERTIG & FROST | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 147 | FERVER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 148 | FETCHEN | Allegheny County, PA | Gas Property | Dec 2025 |
| 149 | FETTERMAN | Indiana County, PA | Gas Property | Dec 2025 |
| 150 | FEUSNER | Bradford County, PA | Gas Property | Dec 2025 |
| 151 | FEUSNER 03 0 | Bradford County, PA | Gas Property | Dec 2025 |
| 152 | FIELDS | Bradford County, PA | Gas Property | Dec 2025 |
| 153 | FIFTH WARD | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 154 | FILSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 155 | FINAN | Bradford County, PA | Gas Property | Dec 2025 |
| 156 | FINDLEY WOLF | Armstrong County, PA | Gas Property | Dec 2025 |
| 157 | FINK | Clearfield County, PA | Gas Property | Dec 2025 |
| 158 | FINNEGAN | Greene County, PA | Gas Property | Dec 2025 |
| 159 | FINNERTY | Bradford County, PA | Gas Property | Dec 2025 |
| 160 | FINNESSY | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 161 | FIONDI | Susquehanna County, PA | Gas Property | Dec 2025 |
| 162 | FIORE | Fayette County, PA | Gas Property | Dec 2024 |
| 163 | FIRST NATIONAL BANK IN INDI | Indiana County, PA | Gas Property | Dec 2025 |
| 164 | FIRTH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 165 | FISCHER | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 166 | FISCUS | Armstrong County, PA | Gas Property | Dec 2025 |
| 167 | FISH 301 | Tioga County, PA | Gas Property | Dec 2025 |
| 168 | FISH HATCHERY | Potter County, PA | Oil & Gas Property | Dec 2024 |
| 169 | FISHER | Beaver County, PA | Oil & Gas Property | Dec 2024 |
| 170 | FISHER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 171 | FISHER & YOUNG | Warren County, PA | Gas Property | Dec 2024 |
| 172 | FISHER & YOUNG HARDW | Venango County, PA | Oil Property | Dec 2025 |
| 173 | FISHER BRA | Bradford County, PA | Gas Property | Dec 2025 |
| 174 | FISHER YOUNG | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 175 | FISK HOLLOW | Potter County, PA | Gas Property | Dec 2025 |
| 176 | FITZGERALD | Armstrong County, PA | Gas Property | Dec 2025 |
| 177 | FITZSIMMONS | Bradford County, PA | Gas Property | Dec 2025 |
| 178 | FITZWATER | Washington County, PA | Gas Property | Dec 2025 |
| 179 | FLACK | Tioga County, PA | Gas Property | Dec 2025 |
| 180 | FLACK J A | Washington County, PA | Oil Property | Dec 2010 |
| 181 | FLASH | Bradford County, PA | Gas Property | Dec 2025 |
| 182 | FLEEGER 2 UNIT | Butler County, PA | Gas Property | Dec 2025 |
| 183 | FLEEGER UNIT | Butler County, PA | Gas Property | Dec 2025 |
| 184 | FLEETWOOD | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 185 | FLEMING | Indiana County, PA | Gas Property | Dec 2025 |
| 186 | FLEMING | Armstrong County, PA | Gas Property | Dec 2025 |
| 187 | FLEMING ESTATE | Warren County, PA | Gas Property | Dec 2024 |
| 188 | FLETCHER | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 189 | FLICK | Clearfield County, PA | Gas Property | Dec 2025 |
| 190 | FLICKINGER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 191 | FLICKINGER 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 192 | FLICKS RUN | Lycoming County, PA | Gas Property | Dec 2025 |
| 193 | FLINNER UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 194 | FLOHS | Susquehanna County, PA | Gas Property | Dec 2025 |
| 195 | FLOOD | McKean County, PA | Oil & Gas Property | Dec 1999 |
| 196 | FLOOK UNIT | Lycoming County, PA | Gas Property | Dec 2025 |
| 197 | FLORENCE | Indiana County, PA | Gas Property | Dec 2025 |
| 198 | FLORENCE E BOD | Indiana County, PA | Gas Property | Dec 2025 |
| 199 | FLORENCE MINING | Indiana County, PA | Gas Property | Dec 2025 |
| 200 | FLORO UNIT | Westmoreland County, PA | Gas Property | Dec 2025 |