555 Watertown LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MMMarposa Manufacturing	Waltham	Machine Shops 332710	◐ LIKELY ACTIVE	4.6 KM
United Electric Controls Company	Watertown	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	◐ LIKELY ACTIVE	3.7 KM
VNVerizon New England	Watertown	All Other Miscellaneous Manufacturing 339999	◇ UNVERIFIED	4.0 KM
Markforged INC	Waltham	Industrial Machinery Manufacturing 333244	● ACTIVE	4.8 KM
Gelsight, INC.	Waltham	Other Measuring and Controlling Device Manufacturing 334519	● ACTIVE	5.0 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds 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 AIR, AIRS/AFS, EIS, MA-EPICS · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110012166618 · first seen JUN 2017 · last seen JUN 2017

IN MIDDLESEX COUNTY68 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 21 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: 555 WATERTOWN LLC · OCT 2026

Street address

EPA: 555 PLEASANT ST · OCT 2026

City

EPA: WATERTOWN · OCT 2026

State

EPA: MA · OCT 2026

County (FIPS code)

EPA: 25017 · OCT 2026

Coordinates

EPA: 42.366295,-71.209244 · OCT 2026