| 301 | MANACK | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 302 | MARCO | Westmoreland County, PA | Gas Property | Dec 2025 |
| 303 | MARCO | Westmoreland County, PA | Gas Property | Dec 2025 |
| 304 | MARIAN LASKOWSKI | Westmoreland County, PA | Gas Property | Dec 2025 |
| 305 | MARK FEILING | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 306 | MARKLE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 307 | MARTHA EARHART | Westmoreland County, PA | Gas Property | Dec 2025 |
| 308 | MARTIN | Westmoreland County, PA | Gas Property | Dec 2025 |
| 309 | MARY BASH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 310 | MARY ETTA DUNMIRE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 311 | MATT DALE | Westmoreland County, PA | Gas Property | Dec 2025 |
| 312 | MATTY/MOMYER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 313 | MAWC TR | Westmoreland County, PA | Gas Property | Dec 2025 |
| 314 | MAWC TR 1 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 315 | MAWC TR 2 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 316 | MAWC TR 51 HUTCHIN | Westmoreland County, PA | Gas Property | Dec 2025 |
| 317 | MAWC TRACT 3 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 318 | MCBROOM 1 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 319 | MCCRADY | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 320 | MCCULLOUGH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 321 | MCDIVITT | Westmoreland County, PA | Gas Property | Dec 2025 |
| 322 | MCILVAINE CENTRAL PAD 15 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 323 | MCLAUGHLIN | Westmoreland County, PA | Gas Property | Dec 2025 |
| 324 | MERL R SHETTER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 325 | METIS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 326 | MICHAEL | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 327 | MITCHELL FARMS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 328 | MOMYER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 329 | MONTEPARTE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 330 | MUIR 8 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 331 | MUMAU REVOCABLE TRUST 00 | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 332 | MUNICIPAL AUTHORITY WESTMORELAND C | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 333 | MURRAY LEVINE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 334 | MYERS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 335 | N J NAKLES | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 336 | NATIONAL METALS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 337 | NCE CLIFF FELTON | Westmoreland County, PA | Gas Property | Dec 2025 |
| 338 | NED J. NAKLES | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 339 | NELSON 8 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 340 | NEMEC | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 341 | NORAH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 342 | NORMAN R DUNLAP | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 343 | NORTH COAST ENERGY FELTON | Westmoreland County, PA | Gas Property | Dec 2025 |
| 344 | NORWIN SCHOOL DISTRICT 00 | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 345 | OBER UNIT | Westmoreland County, PA | Gas Property | Dec 2023 |
| 346 | OMASTA | Westmoreland County, PA | Gas Property | Dec 2000 |
| 347 | OPACIC | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 348 | OZOG-THOMPSON 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 349 | P F EIS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 350 | P R LONG | Westmoreland County, PA | Gas Property | Dec 2025 |
| 351 | P R U E WEISTER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 352 | PANIZZI | Westmoreland County, PA | Gas Property | Dec 2025 |
| 353 | PASS | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 354 | PAUL | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 355 | PAUL W GRAFF | Westmoreland County, PA | Gas Property | Dec 2025 |
| 356 | PERKEY | Westmoreland County, PA | Gas Property | Dec 2024 |
| 357 | PHILADELPHIA & EQUITABLE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 358 | PHILLIPS | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 359 | PIGNOCCO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 360 | PISULA 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 361 | PITTAVINO UNIT | Westmoreland County, PA | Gas Property | Dec 2024 |
| 362 | PITTSBURGH STE | Westmoreland County, PA | Gas Property | Dec 2025 |
| 363 | PLASSIO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 364 | PLTM | Westmoreland County, PA | Gas Property | Dec 2025 |
| 365 | PNC BANK 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 366 | POLLINS | Westmoreland County, PA | Gas Property | Dec 2023 |
| 367 | PORTER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 368 | POSEIDON | Westmoreland County, PA | Gas Property | Dec 2025 |
| 369 | POTTS WELL SITE | Westmoreland County, PA | Gas Property | Dec 2025 |
| 370 | PRICE JUNIOR | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 371 | QUEST REALTY CENTRAL PAD 7 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 372 | R & L DEVELOPMENT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 373 | R D YOUNG | Westmoreland County, PA | Gas Property | Dec 2025 |
| 374 | R E LEWIS & H B KING | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 375 | R KLEJKA 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 376 | R S FITZGERALD | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 377 | R ZORACKI | Westmoreland County, PA | Gas Property | Dec 2024 |
| 378 | RAMALEY | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 379 | RAY RITENOUR | Westmoreland County, PA | Gas Property | Dec 2025 |
| 380 | REAMER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 381 | REHO | Westmoreland County, PA | Gas Property | Dec 2024 |
| 382 | RHODES | Westmoreland County, PA | Gas Property | Dec 2008 |
| 383 | RICH HILL COAL MINING CO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 384 | RICHARD | Westmoreland County, PA | Gas Property | Dec 2025 |
| 385 | RICHARD HUESSENER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 386 | RICHARD M KOONTZ | Westmoreland County, PA | Gas Property | Dec 2025 |
| 387 | RITENOUR | Westmoreland County, PA | Gas Property | Dec 2025 |
| 388 | ROBERT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 389 | ROBERT C LEVIN ET UX | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 390 | ROBERT GRAHAM | Westmoreland County, PA | Gas Property | Dec 2025 |
| 391 | ROBERT M LENHART | Westmoreland County, PA | Gas Property | Dec 2025 |
| 392 | ROBERT MURPHY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 393 | ROBERT W. GRAY FM AT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 394 | ROCHESTER&PITTSBURGH COAL | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 395 | RONALD | Westmoreland County, PA | Gas Property | Dec 2025 |
| 396 | RONALD HEMMINGER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 397 | ROSS SEANOR | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 398 | ROTH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 399 | RUCCIO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 400 | RUFF 0 | Westmoreland County, PA | Gas Property | Dec 2025 |