Facility	City	Industry	Status	Distance
United Electric Controls Company	Watertown	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	LIKELY ACTIVE	0.4 KM
Ge Ionics	Watertown	Plastics Material and Resin Manufacturing 325211	UNVERIFIED	1.0 KM
Avanti Battery Company	Watertown	Analytical Laboratory Instrument Manufacturing 334516	LIKELY ACTIVE	1.1 KM
Doble Engineering Company	Watertown	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	UNVERIFIED	1.0 KM
Day Zero Diagnostics	Watertown	Analytical Laboratory Instrument Manufacturing 334516	LIKELY ACTIVE	1.0 KM

Every listed plant in Middlesex County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Where this record comes from

1 source holds this plant, and 7 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 RCRAINFO · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110072028489 · first seen JUN 2020 · last seen SEP 2025

IN MIDDLESEX COUNTY277 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 92 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: C2SENSE · OCT 2026
Street address: EPA: 500 ARSENAL ST · OCT 2026
City: EPA: WATERTOWN · OCT 2026
State: EPA: MA · OCT 2026
County (FIPS code): EPA: 25017 · OCT 2026
Coordinates: EPA: 42.36319,-71.16057 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: VSQG · OCT 2026

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