| 2301 | FERRIS | Mercer County, PA | Gas Property | Dec 2025 |
| 2302 | FERTIG & FROST | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2303 | FERVER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2304 | FETCHEN | Allegheny County, PA | Gas Property | Apr 2026 |
| 2305 | FETTERMAN | Indiana County, PA | Gas Property | Dec 2025 |
| 2306 | FEUSNER | Bradford County, PA | Gas Property | Apr 2026 |
| 2307 | FEUSNER 03 0 | Bradford County, PA | Gas Property | Apr 2026 |
| 2308 | FIELDS | Bradford County, PA | Gas Property | Apr 2026 |
| 2309 | FIFTH WARD | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 2310 | FILSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 2311 | FINAN | Bradford County, PA | Gas Property | Apr 2026 |
| 2312 | FINDLEY WOLF | Armstrong County, PA | Gas Property | Dec 2025 |
| 2313 | FINK | Clearfield County, PA | Gas Property | Dec 2025 |
| 2314 | FINNEGAN | Greene County, PA | Gas Property | Apr 2026 |
| 2315 | FINNESSY | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 2316 | FIONDI | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2317 | FIORE | Fayette County, PA | Gas Property | Dec 2025 |
| 2318 | FIRST NATIONAL BANK IN INDI | Indiana County, PA | Gas Property | Dec 2025 |
| 2319 | FIRTH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 2320 | FISCHER | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 2321 | FISCUS | Armstrong County, PA | Gas Property | Dec 2025 |
| 2322 | FISH 301 | Tioga County, PA | Gas Property | Apr 2026 |
| 2323 | FISHER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2324 | FISHER | Beaver County, PA | Oil & Gas Property | Dec 2025 |
| 2325 | FISHER & YOUNG | Warren County, PA | Gas Property | Dec 2025 |
| 2326 | FISHER & YOUNG HARDW | Venango County, PA | Oil Property | Dec 2025 |
| 2327 | FISHER BRA | Bradford County, PA | Gas Property | Apr 2026 |
| 2328 | FISHER YOUNG | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2329 | FISK HOLLOW | Potter County, PA | Gas Property | Apr 2026 |
| 2330 | FITZGERALD | Armstrong County, PA | Gas Property | Dec 2025 |
| 2331 | FITZSIMMONS | Bradford County, PA | Gas Property | Apr 2026 |
| 2332 | FITZWATER | Washington County, PA | Gas Property | Dec 2025 |
| 2333 | FLACK | Tioga County, PA | Gas Property | Apr 2026 |
| 2334 | FLACK J A | Washington County, PA | Oil Property | Dec 2010 |
| 2335 | FLASH | Bradford County, PA | Gas Property | Apr 2026 |
| 2336 | FLEEGER 2 UNIT | Butler County, PA | Gas Property | Apr 2026 |
| 2337 | FLEEGER UNIT | Butler County, PA | Gas Property | Apr 2026 |
| 2338 | FLEETWOOD | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 2339 | FLEMING | Indiana County, PA | Gas Property | Dec 2025 |
| 2340 | FLEMING | Armstrong County, PA | Gas Property | Dec 2025 |
| 2341 | FLEMING ESTATE | Warren County, PA | Gas Property | Dec 2025 |
| 2342 | FLETCHER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 2343 | FLICK | Clearfield County, PA | Gas Property | Apr 2026 |
| 2344 | FLICKINGER | Westmoreland County, PA | Gas Property | Apr 2026 |
| 2345 | FLICKINGER 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 2346 | FLICKS RUN | Lycoming County, PA | Gas Property | Apr 2026 |
| 2347 | FLINNER UNIT | Butler County, PA | Oil & Gas Property | Apr 2026 |
| 2348 | FLOHS | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2349 | FLOOD | McKean County, PA | Oil & Gas Property | Dec 1999 |
| 2350 | FLOOK UNIT | Lycoming County, PA | Gas Property | Apr 2026 |
| 2351 | FLORENCE | Indiana County, PA | Gas Property | Dec 2025 |
| 2352 | FLORENCE E BOD | Indiana County, PA | Gas Property | Dec 2025 |
| 2353 | FLORENCE MINING | Indiana County, PA | Gas Property | Dec 2025 |
| 2354 | FLORO UNIT | Westmoreland County, PA | Gas Property | Apr 2026 |
| 2355 | FLOSSIE WHITACRE | Indiana County, PA | Gas Property | Dec 2025 |
| 2356 | FLOWER T 0 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2357 | FLOYD I RHINE | Indiana County, PA | Gas Property | Dec 2025 |
| 2358 | FLOYD WILBUR | Warren County, PA | Oil Property | Dec 2025 |
| 2359 | FLOYD WILLIAMS | Indiana County, PA | Gas Property | Dec 2025 |
| 2360 | FLOYDIE | Bradford County, PA | Gas Property | Apr 2026 |
| 2361 | FLYNN | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 2362 | FOGEL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2363 | FOGLE | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 2364 | FOGLE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2365 | FOLGER | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2366 | FOLLETTI | Venango County, PA | Gas Property | Dec 2025 |
| 2367 | FOLLY HOLLOW FARM UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 2368 | FOLMAN | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 2369 | FOLTA | Bradford County, PA | Gas Property | Apr 2026 |
| 2370 | FOLTZ J | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2371 | FOLWARCZNY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 2372 | FONTANA C | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2373 | FORBES | Bradford County, PA | Gas Property | Apr 2026 |
| 2374 | FORBES | Westmoreland County, PA | Gas Property | Dec 2025 |
| 2375 | FORD CITY SPORTSMANS CLUB 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 2376 | FOREJT 00 | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 2377 | FORESMAN | Centre County, PA | Gas Property | Dec 2025 |
| 2378 | FORREST | Clarion County, PA | Gas Property | Dec 2025 |
| 2379 | FORREST | Clarion County, PA | Gas Property | Dec 2025 |
| 2380 | FORSYTH/ABBADINI | Fayette County, PA | Gas Property | Dec 2025 |
| 2381 | FORT HILL FARMS | Fayette County, PA | Gas Property | Dec 2025 |
| 2382 | FORWOOD E | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2383 | FOSTER | Bradford County, PA | Gas Property | Apr 2026 |
| 2384 | FOSTER | Armstrong County, PA | Gas Property | Dec 2025 |
| 2385 | FOSTER & WILSON | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 2386 | FOSTER RICHARD UNIT | Washington County, PA | Oil & Gas Property | Apr 2026 |
| 2387 | FOTI 721 | Lycoming County, PA | Gas Property | Apr 2026 |
| 2388 | FOULKROD | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 2389 | FOUNDATION FOR I | Indiana County, PA | Gas Property | Dec 2025 |
| 2390 | FOUR BEES LTD | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 2391 | FOUR BUCKS | Susquehanna County, PA | Gas Property | Apr 2026 |
| 2392 | FOUR R S TRUST | Crawford County, PA | Gas Property | Dec 2025 |
| 2393 | FOUST | Bradford County, PA | Gas Property | Apr 2026 |
| 2394 | FOWLER | Washington County, PA | Gas Property | Apr 2026 |
| 2395 | FOX 0 | Elk County, PA | Oil & Gas Property | Dec 2004 |
| 2396 | FOX 6 | Elk County, PA | Oil & Gas Property | Dec 2017 |
| 2397 | FOX 7 | Elk County, PA | Oil & Gas Property | Dec 2017 |
| 2398 | FOX 8 | Elk County, PA | Oil & Gas Property | Dec 2017 |
| 2399 | FOX 9 | Elk County, PA | Oil & Gas Property | Dec 2017 |
| 2400 | FOX HOLLOW INVESTMENTS | Armstrong County, PA | Oil & Gas Property | Dec 2025 |