Computer and Electronic Product Manufacturing in Connecticut

NAICS 334 · CT

The register lists 303 facilities in Connecticut. The Bureau of Labor Statistics counted 310 establishments in the Computer and Electronic Product Manufacturing industry in Connecticut during 2025. Honeywell Fire Safety in Northford employed 506 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

South Central Connecticut69 Capitol66 Western Connecticut61 Naugatuck Valley42 Greater Bridgeport18 Lower Connecticut River Valley13 Southeastern Connecticut8 Northeastern Connecticut7

Biggest cities

Danbury (20)Wallingford (17)Milford (14)Shelton (12)Norwalk (9)Bethel (7)Bristol (7)Newtown (7)Meriden (6)Hamden (6)

Plants in Connecticut32 FACILITIES

Listing 32 of 42: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Ace and Company, INC	Naugatuck	100–499	ACTIVE
Advanced Micro Controls, INC.	Terryville	20–99	ACTIVE
Ai-tek Instruments LLC	Cheshire	20–99	ACTIVE
Atlantic Inertial Systems INC	Cheshire	—	ACTIVE
Comet Technologies Usa, INC.	Shelton	100–499	ACTIVE
Connecticut Microwave Corporation	Cheshire	1–19	ACTIVE
Graywolf Sensing Solutions, LLC	Shelton	1–19	ACTIVE
Haydon Kerk Motion Solutions, INC.	Waterbury	—	ACTIVE
Intrasonics, INC.	Thomaston	1–19	ACTIVE
Kimtron, INC.	Oxford	1–19	ACTIVE
Microboard Processing, INC.	Seymour	—	ACTIVE
Microtech INC	Cheshire	20–99	ACTIVE
Naiad Dynamics US INC	Shelton	20–99	ACTIVE
Perkinelmer U.s. LLC	Shelton	—	ACTIVE
Pro Scientific, INC.	Oxford	1–19	ACTIVE
The Phoenix Company of Chicago, INC.	Naugatuck	20–99	ACTIVE
Buck Scientific Instruments, LLC	Ansonia	—	ACTIVE
Calmare Therapeutics Incorporated	Shelton	—	ACTIVE
Quality Coils, Incorporated	Bristol	—	ACTIVE
Acknowledgement Circuit Professional Limited Liability CO	Bristol	—	ACTIVE
Hipotronics INC	Shelton	—	ACTIVE
Video Insights, LLC	Southbury	—	ACTIVE
Classic Coil Company	Bristol	20–99	LIKELY ACTIVE
Newmark Medical Components, INC.	Waterbury	—	LIKELY ACTIVE
Microboard Processing INC.	Seymour	—	LIKELY ACTIVE
Perkin Elmer Health Sciences	Shelton	—	LIKELY ACTIVE
Siemon CO	Watertown	—	LIKELY ACTIVE
Ct112 Haydon Kerk	Waterbury	100–499	LIKELY ACTIVE
Ct194 Ametek Magnetrol Usa, LLC	Naugatuck	20–99	LIKELY ACTIVE
The Siemon Company- Dynamic	Watertown	20–99	LIKELY ACTIVE
Vishay Americas	Shelton	20–99	LIKELY ACTIVE
Nutmeg Utility Products	Cheshire	1–19	UNVERIFIED

Search all 303 facilities

All computer and electronic product manufacturing nationwide · All manufacturing in Connecticut