Facility	City	Industry	Status	Distance
Pcc Structurals	Groton	Steel Investment Foundries 331512	UNVERIFIED	0.0 KM
Wyman-gordon Investment Castings, Incorporated	Groton	Steel Investment Foundries 331512	LIKELY ACTIVE	0.0 KM
Mystic River Foundry	Mystic	Aluminum Foundries (except Die-Casting) 331524	LIKELY ACTIVE	7.6 KM
Cimini & Associates INC	Westerly	Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 331491	ACTIVE	20.4 KM

Every listed plant in Southeastern Connecticut County

Also at this address

No other federal record shares this street address.

Where this record comes from

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 AIR, AIRS/AFS, BR, NPDES, OSHA-OIS, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen MAR 2026 · last seen MAR 2026
OSHA injury and illness reportsOPERATING
Record 1444612 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Records 110008053774, 110071869735 · first seen SEP 2016 · last seen FEB 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 133491053|CT|06340|835 poquonnock rd · first seen DEC 2024 · last seen DEC 2024

ALSO RECORDED ASDoncasters Structural Castings of Groton

IN SOUTHEASTERN CONNECTICUT COUNTY3 other plants share this one’s industry (Foundries, NAICS 3315); 1 of them has a size band on record.

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: DONCASTERS INC PRECISION CASTINGS NEW ENGLAND · NOV 2026
Street address: EPA: 835 POQUONNOCK RD · NOV 2026
City: EPA: GROTON · NOV 2026
State: EPA: CT · NOV 2026
County (FIPS code): EPA: 09180 · SEP 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 41.344994974834,-72.053766290046 · JUL 2026; EPA: 41.345516,-72.053384 · NOV 2026 · ON THIS PAGE
Employees (band): OSHA: 100-499 · DEC 2025
Retirement plan filing (Form 5500): DOL: 651 active participants, plan year ending 2024-12-31, 3 plan(s) · DEC 2024
Hazardous waste generator (RCRA): EPA ECHO: VSQG · NOV 2026

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