| 501 | STANLEY | Indiana County, PA | Gas Property | Dec 2025 |
| 502 | STANLEY 1106 | Tioga County, PA | Gas Property | Jun 2026 |
| 503 | STANLEY B. AUEN FM WM. W. PLATT | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 504 | STANLEY J NOVAK | Fayette County, PA | Gas Property | Dec 2025 |
| 505 | STARK | Fayette County, PA | Gas Property | Dec 2025 |
| 506 | STARKS | Tioga County, PA | Gas Property | Jun 2026 |
| 507 | STARR (LOT 461) | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 508 | STARZEC E | Susquehanna County, PA | Gas Property | Jun 2026 |
| 509 | STASIAK UNIT | Bradford County, PA | Gas Property | Jun 2026 |
| 510 | STATE GAME | Fayette County, PA | Gas Property | Dec 2025 |
| 511 | STATE GAME | Centre County, PA | Gas Property | Dec 2025 |
| 512 | STATE GAME | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 513 | STATE GAME LAND | Clarion County, PA | Oil & Gas Property | Dec 2020 |
| 514 | STATE GAME LAND | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 515 | STATE GAME LAND | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 516 | STATE GAME LAND 96B | Venango County, PA | Gas Property | Dec 2025 |
| 517 | STATE GAME LANDS | Indiana County, PA | Gas Property | Dec 2025 |
| 518 | STATE GAME LANDS | Clearfield County, PA | Gas Property | Jun 2026 |
| 519 | STATE GAME LANDS | Clarion County, PA | Gas Property | Dec 2025 |
| 520 | STATE GAME LANDS | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 521 | STATE GAME LANDS 179 | Greene County, PA | Gas Property | Jun 2026 |
| 522 | STATE GAMELAND | Venango County, PA | Oil Property | Dec 2003 |
| 523 | STATE GAMELAND | Venango County, PA | Oil Property | Dec 2025 |
| 524 | STATE GAMELANDS NO 100 | Centre County, PA | Gas Property | Dec 2025 |
| 525 | STATE TR | Clearfield County, PA | Gas Property | Dec 2023 |
| 526 | STATE TRACT | Clearfield County, PA | Gas Property | Dec 2021 |
| 527 | STATTLER ROAD | Greene County, PA | Gas Property | Jun 2026 |
| 528 | STAUFFER I | Clarion County, PA | Gas Property | Dec 2025 |
| 529 | STEARNS 1 | Warren County, PA | Oil Property | Dec 2025 |
| 530 | STEBBINS UNIT | Butler County, PA | Oil & Gas Property | Jun 2026 |
| 531 | STEEL | Westmoreland County, PA | Gas Property | Dec 2025 |
| 532 | STEFFEE | Clarion County, PA | Oil Property | Dec 2019 |
| 533 | STEFFELBEAM | Forest County, PA | Oil Property | Dec 2015 |
| 534 | STEFFENS | Warren County, PA | Gas Property | Dec 2025 |
| 535 | STEFKOVICH JEROME UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 536 | STEIN | Clearfield County, PA | Gas Property | Dec 2025 |
| 537 | STEIN A UNIT 4H | Butler County, PA | Gas Property | Jun 2026 |
| 538 | STEIN B UNIT 5H | Butler County, PA | Gas Property | Jun 2026 |
| 539 | STEINMETZ | Tioga County, PA | Gas Property | Jun 2026 |
| 540 | STEKLACIC | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 541 | STELCO | Greene County, PA | Gas Property | Jun 2026 |
| 542 | STELLITANO A | Susquehanna County, PA | Gas Property | Jun 2026 |
| 543 | STEMPEL BRA | Bradford County, PA | Gas Property | Jun 2026 |
| 544 | STEN UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 545 | STEP | Westmoreland County, PA | Gas Property | Dec 2025 |
| 546 | STEPHANI 03 111 | Bradford County, PA | Gas Property | Jun 2026 |
| 547 | STEPHEN A STRISHOCK ETUX | Jefferson County, PA | Gas Property | Dec 2025 |
| 548 | STEPHEN HASLEY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 549 | STEPHEN J. JAWORSKI, ETUX | Armstrong County, PA | Gas Property | Dec 2025 |
| 550 | STEPHEN KEYS | Jefferson County, PA | Gas Property | Dec 2025 |
| 551 | STEPHENS | Potter County, PA | Gas Property | Dec 2025 |
| 552 | STEPHENS | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 553 | STEPHENS | Jefferson County, PA | Gas Property | Dec 2025 |
| 554 | STEPINSKY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 555 | STERBUTZEL | Greene County, PA | Gas Property | Dec 2025 |
| 556 | STERLING RUN CLUB | Centre County, PA | Gas Property | Dec 2025 |
| 557 | STEROSKY | Armstrong County, PA | Gas Property | Dec 2025 |
| 558 | STERRETT | Jefferson County, PA | Gas Property | Dec 2025 |
| 559 | STETHERS | Bradford County, PA | Gas Property | Jun 2026 |
| 560 | STEVE | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 561 | STEVE BUCHAN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 562 | STEVE STANISLAV | Westmoreland County, PA | Gas Property | Dec 2025 |
| 563 | STEVEN REICHARD ET AL | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 564 | STEVENS | Bradford County, PA | Gas Property | Jun 2026 |
| 565 | STEVENS UNIT | Fayette County, PA | Gas Property | Jun 2026 |
| 566 | STEVENSON | Warren County, PA | Oil & Gas Property | Dec 2022 |
| 567 | STEWART | Venango County, PA | Oil Property | Dec 2020 |
| 568 | STEWART | Venango County, PA | Oil Property | Dec 1998 |
| 569 | STEWART | Westmoreland County, PA | Gas Property | Dec 2025 |
| 570 | STEWART | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 571 | STEWART | Fayette County, PA | Gas Property | Jun 2026 |
| 572 | STEWART | Armstrong County, PA | Gas Property | Dec 2025 |
| 573 | STEWART | Clarion County, PA | Gas Property | Jun 2026 |
| 574 | STEWART CENTRAL PAD-21 | Westmoreland County, PA | Gas Property | Jun 2026 |
| 575 | STEWART NANCY UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 576 | STEWART S | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 577 | STEWART TRUST UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 578 | STICKNEY | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 579 | STICKNEY 07 087 02 A 2H | Susquehanna County, PA | Gas Property | Jun 2026 |
| 580 | STIFFLER | Indiana County, PA | Gas Property | Dec 2025 |
| 581 | STIGLITZ S | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 582 | STILES | Indiana County, PA | Gas Property | Dec 2025 |
| 583 | STILL 244 | McKean County, PA | Gas Property | Jun 2026 |
| 584 | STILSON 4 | Potter County, PA | Gas Property | Dec 2025 |
| 585 | STIMER | Clearfield County, PA | Gas Property | Dec 2025 |
| 586 | STIMMELL S | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 587 | STINE WYO | Wyoming County, PA | Gas Property | Jun 2026 |
| 588 | STITT | Armstrong County, PA | Gas Property | Dec 2025 |
| 589 | STIVENSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 590 | STOCK 144 | Tioga County, PA | Gas Property | Jun 2026 |
| 591 | STODDARD T | Susquehanna County, PA | Gas Property | Jun 2026 |
| 592 | STOECK LAND | Westmoreland County, PA | Gas Property | Dec 2025 |
| 593 | STOLTZFUS | Erie County, PA | Gas Property | Dec 2025 |
| 594 | STOLTZFUS | Venango County, PA | Oil Property | Dec 2024 |
| 595 | STONE | Bradford County, PA | Gas Property | Jun 2026 |
| 596 | STONE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 597 | STONE HOUSE | Armstrong County, PA | Gas Property | Jun 2026 |
| 598 | STONE UNIT | Susquehanna County, PA | Gas Property | Jun 2026 |
| 599 | STONER 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 600 | STONIS | Armstrong County, PA | Gas Property | Jun 2026 |