Facility	City	Industry	Status	Distance
Karia Diamonds INC.	Sudbury	Semiconductor and Related Device Manufacturing 334413	ACTIVE	2.5 KM
Charles J Precourt and Son INC	Sudbury	Cut Stone and Stone Product Manufacturing 327991	UNVERIFIED	9.1 KM
Stoneyard, Inc.	Littleton	Cut Stone and Stone Product Manufacturing 327991	UNVERIFIED	10.3 KM
Stoneyard Spec Pond	Littleton	Cut Stone and Stone Product Manufacturing 327991	LIKELY ACTIVE	14.6 KM
Entegris	Bedford	Other Basic Inorganic Chemical Manufacturing 325188	UNVERIFIED	13.6 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold 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 OSHA-OIS.

SBA Paycheck Protection Program loan recordsEXISTENCE
Records MA|acton|49 knox trail, MA|acton|49 knox trl · first seen MAY 2020 · last seen JAN 2021
EPA Facility Registry ServiceEXISTENCE
Record 110070285647 · first seen SEP 2018 · last seen SEP 2018

IN MIDDLESEX COUNTY25 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 13 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: MASS-GRANITE, INC. · OCT 2026
Street address: EPA: 49 KNOX TRAIL · OCT 2026
City: EPA: ACTON · OCT 2026
State: EPA: MA · OCT 2026
Coordinates: EPA: 42.44527,-71.42606 · OCT 2026
Employees (band): SBA PPP: 1-19 · JAN 2021
PPP loan: SBA PPP: PPP loan x1, approved 2020-05-19, 10 jobs reported · MAY 2020

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