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Amsl US Holding, INC

77 Danbury Road, Wilton, CT 06897

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Semiconductor Machinery Manufacturing333242

Where it is

41.17093, -73.41638 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

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Globe Equipment Company Inc, theBridgeportFood Product Machinery Manufacturing
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TherenewlabincBridgeportAll Other Industrial Machinery Manufacturing
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Every listed plant in Western Connecticut County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Asml
Wilton, CT
LIKELY ACTIVE333242EMP 500+

Where this record comes from

2 sources hold this plant, and 6 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 OSHA-OIS.

  • EPA Facility Registry ServiceEXISTENCE
    Records 110070325850, 110071869860 · first seen JUN 2017 · last seen FEB 2025
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2024 · last seen DEC 2024

ALSO RECORDED ASASML US INCORPORATED

IN WESTERN CONNECTICUT COUNTY6 other plants share this one’s industry (Industrial Machinery Manufacturing, NAICS 3332); 4 of them have 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: AMSL US HOLDING, INC · OCT 2026
Street address
EPA: 77 DANBURY ROAD · OCT 2026
City
EPA: WILTON · OCT 2026
State
EPA: CT · OCT 2026
County (FIPS code)
EPA: 09190 · SEP 2026
Coordinates
EPA: 41.17093,-73.41638 · OCT 2026

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