Circuits West INC

410 S Sunset Unit D, Longmont, CO 80501

UNVERIFIEDLAST SEEN IN FEDERAL DATA DEC 2023 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Bare Printed Circuit Board Manufacturing334412

Where it is

40.15377, -105.12138 · CENSUS TIGER

COUNTY

Boulder County

METRO AREA

Boulder, CO

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Other plants nearby

Facility	City	Industry	Status	Distance
Integrated Cable Systems, LLC	Longmont	Other Electronic Component Manufacturing 334419	ACTIVE	0.0 KM
Custom Microwave, INC.	Longmont	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	1.2 KM
Miyota Development Center of America	Longmont	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	REPORTED CLOSED	1.9 KM
Sherwood Enterprises	Longmont	Commercial Printing (except Screen and Books) 323111	LIKELY ACTIVE	3.1 KM
Oncore Manufacturing LLC	Longmont	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	4.6 KM

Every listed plant in Boulder 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 BR, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen DEC 2023 · last seen DEC 2023
EPA Facility Registry ServiceEXISTENCE
Record 110035442955 · first seen JUN 2016 · last seen JUN 2016

IN BOULDER COUNTY17 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 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: CIRCUITS WEST INC · OCT 2026
Street address: EPA: 410 S SUNSET UNIT D · OCT 2026
City: EPA: LONGMONT · OCT 2026
State: EPA: CO · OCT 2026
County (FIPS code): EPA: 08013 · OCT 2026
Coordinates: EPA: 40.15377,-105.12138 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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