| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 401 | TEMPLE JONATHAN UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 402 | THAI VOLCANO | Washington County, PA | Gas Property | Mar 2026 |
| 403 | THOMAS | Washington County, PA | Oil & Gas Property | Dec 2012 |
| 404 | THOMPSON J | Washington County, PA | Oil & Gas Property | Dec 2016 |
| 405 | THREE MUSKETEERS | Washington County, PA | Gas Property | Mar 2026 |
| 406 | TOWARD UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 407 | TRAX FARMS | Washington County, PA | Gas Property | Mar 2026 |
| 408 | TRINIDAD SCORPION | Washington County, PA | Gas Property | Mar 2026 |
| 409 | TROYER/SPACE MANAGEMENT UNIT | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 410 | US NATURAL RESOURCES | Washington County, PA | Gas Property | Mar 2026 |
| 411 | V M BLA | Washington County, PA | Oil Property | Dec 2012 |
| 412 | V SANTORA 00 | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 413 | VANKIRK | Washington County, PA | Gas Property | Mar 2026 |
| 414 | VARNER UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 415 | VIVIAN HARBISON | Washington County, PA | Gas Property | Mar 2026 |
| 416 | W H CLEAVER | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 417 | W H WILSON | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 418 | W J MILLER | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 419 | W M EVANS 10 | Washington County, PA | Gas Property | Dec 2025 |
| 420 | WAGERS UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 421 | WALASIK, TERRY UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 422 | WALESKI | Washington County, PA | Gas Property | Dec 2025 |
| 423 | WALKER WFN4 | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 424 | WARD HAROLD UNIT | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 425 | WATERBOY | Washington County, PA | Gas Property | Mar 2026 |
| 426 | WEIMER LILLIAN UNIT | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 427 | WEINZEN | Washington County, PA | Gas Property | Dec 2025 |
| 428 | WERNER | Washington County, PA | Gas Property | Mar 2026 |
| 429 | WEST ELEANOR UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 430 | WFN10 | Washington County, PA | Gas Property | Mar 2026 |
| 431 | WFN5 | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 432 | WFN5 AHS | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 433 | WHERRY | Washington County, PA | Gas Property | Mar 2026 |
| 434 | WHITMER THOMAS UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 435 | WICKS | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 436 | WIGGIN OUT | Washington County, PA | Gas Property | Mar 2026 |
| 437 | WILLIAM | Washington County, PA | Gas Property | Dec 2024 |
| 438 | WILLISON | Washington County, PA | Gas Property | Mar 2026 |
| 439 | WOLVERINE | Washington County, PA | Gas Property | Mar 2026 |
| 440 | WOODBURN S | Washington County, PA | Oil Property | Dec 2012 |
| 441 | WORSTELL UNIT | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 442 | WYLIE | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 443 | WYLIE DENNIS 17563 | Washington County, PA | Gas Property | Mar 2026 |
| 444 | X-MAN | Washington County, PA | Gas Property | Mar 2026 |
| 445 | YABLONSKI 59202 | Washington County, PA | Gas Property | Mar 2026 |
| 446 | YANAVICH UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 447 | YEAGER UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 448 | YONKER GEORGE 11360 | Washington County, PA | Gas Property | Mar 2026 |
| 449 | ZAPPI EDWARD UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 450 | ZAPPI PETE UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 451 | ZEDIKER STATION 11784 | Washington County, PA | Gas Property | Mar 2026 |
| 452 | ZIMMER RONALD 10007 | Washington County, PA | Gas Property | Mar 2026 |
| 453 | ZORRO | Washington County, PA | Gas Property | Mar 2026 |