| 401 | SMITH LARRY UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 402 | SMITH R | Susquehanna County, PA | Gas Property | Apr 2026 |
| 403 | SMITH ROBERT UNIT | Mercer County, PA | Gas Property | Dec 2025 |
| 404 | SMITH-KERN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 405 | SMITH/CHASE 00 | Clearfield County, PA | Gas Property | Dec 2025 |
| 406 | SMITH/GEORGE 00 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 407 | SMITH/JOHNS | Clearfield County, PA | Gas Property | Dec 2025 |
| 408 | SMOUSE | Westmoreland County, PA | Oil & Gas Property | Apr 2026 |
| 409 | SMT FAMILY PARTNERSHIP | Westmoreland County, PA | Gas Property | Dec 2025 |
| 410 | SMURKOSKI | Wyoming County, PA | Gas Property | Apr 2026 |
| 411 | SMUTEK | Venango County, PA | Oil Property | Dec 2025 |
| 412 | SNIEZIK | Indiana County, PA | Gas Property | Dec 2025 |
| 413 | SNOW SHOE | Centre County, PA | Gas Property | Apr 2026 |
| 414 | SNYDER | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 415 | SNYDER | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 416 | SNYDER | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 417 | SNYDER | Clearfield County, PA | Gas Property | Dec 2025 |
| 418 | SNYDER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 419 | SNYDER | Jefferson County, PA | Gas Property | Dec 2025 |
| 420 | SNYDER-BOWERSOX | Armstrong County, PA | Gas Property | Dec 2025 |
| 421 | SNYDER-SCHROT | Clearfield County, PA | Gas Property | Dec 2025 |
| 422 | SOAPER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 423 | SOBERDASH | Fayette County, PA | Gas Property | Dec 2025 |
| 424 | SODERBURG 501 | Tioga County, PA | Gas Property | Apr 2026 |
| 425 | SOFORIC | Westmoreland County, PA | Gas Property | Dec 2025 |
| 426 | SOFTA | Fayette County, PA | Gas Property | Dec 2025 |
| 427 | SOLANICK | Wyoming County, PA | Gas Property | Apr 2026 |
| 428 | SOLES | Greene County, PA | Gas Property | Apr 2026 |
| 429 | SOLOMON | Clearfield County, PA | Gas Property | Dec 2025 |
| 430 | SOLOWIEJ | Bradford County, PA | Gas Property | Apr 2026 |
| 431 | SONY 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 432 | SOPHIA AHLBORN | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 433 | SOULE S | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 434 | SOUTH DEVON 1 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 435 | SOUTH PENN OIL CO | Forest County, PA | Gas Property | Dec 2025 |
| 436 | SOUTH PRICE | Susquehanna County, PA | Gas Property | Apr 2026 |
| 437 | SOUTH SWAMP ANGEL 5571 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 438 | SOUTH VALENTINE PRICE | Susquehanna County, PA | Gas Property | Apr 2026 |
| 439 | SOUTHER | Elk County, PA | Oil & Gas Property | Dec 2019 |
| 440 | SOUTHMORELAND SCHOOL DISTRICT 748 | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 441 | SOUTHWELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 442 | SOUTHWELL | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 443 | SPANARD | Indiana County, PA | Gas Property | Dec 2025 |
| 444 | SPARE | Jefferson County, PA | Gas Property | Dec 2025 |
| 445 | SPARKLING SPRING HUNTING CLUB | Clearfield County, PA | Gas Property | Apr 2026 |
| 446 | SPEARS | Warren County, PA | Gas Property | Dec 2025 |
| 447 | SPEEDY | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 448 | SPEERSTRA | Venango County, PA | Oil Property | Dec 2025 |
| 449 | SPENCE CORBIN | Jefferson County, PA | Gas Property | Dec 2025 |
| 450 | SPENCER | Armstrong County, PA | Gas Property | Dec 2025 |
| 451 | SPENCER | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 452 | SPENCER (GRAY) 8 | Cambria County, PA | Gas Property | Dec 2025 |
| 453 | SPENCER UNIT | Susquehanna County, PA | Gas Property | Apr 2023 |
| 454 | SPERANZA | Indiana County, PA | Gas Property | Dec 2025 |
| 455 | SPERRY FARMS | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 456 | SPESAK | Washington County, PA | Gas Property | Dec 2025 |
| 457 | SPINGOLA | Clearfield County, PA | Gas Property | Dec 2025 |
| 458 | SPITMAN | Erie County, PA | Gas Property | Dec 2025 |
| 459 | SPLEEN SPLITTER | Greene County, PA | Gas Property | Apr 2026 |
| 460 | SPORTSMAN | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 461 | SPORTSMEN'S ASS'N | Westmoreland County, PA | Gas Property | Dec 2025 |
| 462 | SPOTTS UNIT | Lycoming County, PA | Gas Property | Apr 2026 |
| 463 | SPRAGLEY OAK | Lycoming County, PA | Gas Property | Apr 2026 |
| 464 | SPRANKLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 465 | SPRING CHURCH UNIT | Armstrong County, PA | Gas Property | Apr 2026 |
| 466 | SPRING CREEK | Forest County, PA | Oil & Gas Property | Dec 2020 |
| 467 | SPRINGER | Fayette County, PA | Gas Property | Dec 2025 |
| 468 | SPRINGER 1 | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 469 | SPRINKLE | Mercer County, PA | Gas Property | Dec 2025 |
| 470 | SPROUL | Fayette County, PA | Gas Property | Dec 2025 |
| 471 | SQUIER R | Susquehanna County, PA | Gas Property | Apr 2026 |
| 472 | SQUIER UNIT | Susquehanna County, PA | Gas Property | Apr 2026 |
| 473 | SRC 1 | McKean County, PA | Gas Property | Apr 2026 |
| 474 | SRC GAMBLE | Lycoming County, PA | Gas Property | Apr 2026 |
| 475 | SRC WARRANT 2 | McKean County, PA | Gas Property | Apr 2026 |
| 476 | SRC WARRANT 23 | Elk County, PA | Gas Property | Dec 2025 |
| 477 | SRC WARRANT 37 | Elk County, PA | Gas Property | Apr 2026 |
| 478 | SRC WARRANT 4200 | Elk County, PA | Gas Property | Apr 2026 |
| 479 | SRC WT | Cameron County, PA | Gas Property | Apr 2026 |
| 480 | SRC WT 23 | Elk County, PA | Gas Property | Apr 2026 |
| 481 | SRC WT 272 | McKean County, PA | Gas Property | Apr 2026 |
| 482 | SRC WT 4200 10 | Elk County, PA | Gas Property | Apr 2026 |
| 483 | ST GAME LANDS NO 100 | Centre County, PA | Gas Property | Dec 2025 |
| 484 | ST GAME LANDS-137 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 485 | ST JOES | Westmoreland County, PA | Gas Property | Dec 2025 |
| 486 | ST MARYS GAS CO 53 | Elk County, PA | Gas Property | Dec 2025 |
| 487 | ST MARYS GAS CO 530 | Elk County, PA | Gas Property | Dec 2025 |
| 488 | ST MARYS SPORTSMEN | Elk County, PA | Gas Property | Dec 2025 |
| 489 | ST MARYS WATER AUTH 388 | Elk County, PA | Gas Property | Dec 2025 |
| 490 | ST PAUL | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 491 | STADLER | Butler County, PA | Gas Property | Dec 2025 |
| 492 | STAHL 1H | Bradford County, PA | Gas Property | Apr 2026 |
| 493 | STAHLMAN | Clarion County, PA | Gas Property | Dec 2025 |
| 494 | STALFORD | Bradford County, PA | Gas Property | Apr 2026 |
| 495 | STALLSMITH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 496 | STALTER | Susquehanna County, PA | Gas Property | Apr 2026 |
| 497 | STAMBAUGH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 498 | STANFORD | Crawford County, PA | Gas Property | Dec 2025 |
| 499 | STANFORD MINING | Indiana County, PA | Gas Property | Dec 2025 |
| 500 | STANKAY | Armstrong County, PA | Gas Property | Dec 2025 |