5 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in BR, EIS, RCRAINFO, TRIS, TSCA, WI-ESR · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 1064684 · first seen DEC 2025 · last seen DEC 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 391946194|WI|54143|2945 angwall dr · first seen DEC 2024 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen MAY 2024 · last seen MAY 2024
EPA Facility Registry ServiceEXISTENCE
Record 110005537473 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASKS Large Bore Piston LLC

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: KS LARGE BORE PISTONS INC · OCT 2026
Street address: EPA: 2945 ANGWALL DR · OCT 2026
City: EPA: MARINETTE · OCT 2026
State: EPA: WI · OCT 2026
County (FIPS code): EPA: 55075 · OCT 2026
Coordinates: Census geocoder: 45.072340212134,-87.662210327431 · JUL 2026 · ON THIS PAGE; EPA: 45.07206,-87.66209 · OCT 2026 · ON THIS PAGE
Employees (band): OSHA: 100-499 · DEC 2025
Retirement plan filing (Form 5500): DOL: 126 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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