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

Plants in Connecticut248 FACILITIES

Listing 248 of 303: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
AEAlloy Engineering Company, INC.	Bridgeport	20–99	▲ REPORTED CLOSED
ANAmphenol Nexus Technologies, INC.	Stamford	20–99	◐ LIKELY ACTIVE
AAAragra - AB Electronics LLC	Brookfield	20–99	◐ LIKELY ACTIVE
CICoherent, Inc - East Granby	East Granby	1–19	◐ LIKELY ACTIVE
MAMax Analytical Instruments	East Windsor	1–19	◐ LIKELY ACTIVE
NMNewmark Medical Components, INC.	Waterbury	—	◐ LIKELY ACTIVE
Microboard Processing INC.	Seymour	—	◐ LIKELY ACTIVE
PEPerkin Elmer Health Sciences	Shelton	—	◐ LIKELY ACTIVE
SCSiemon CO	Watertown	—	◐ LIKELY ACTIVE
SASmiths Aerospace Components	Manchester	—	◐ LIKELY ACTIVE
KIKrell Industries LLC	Orange	—	◇ UNVERIFIED
NCNorwalk Center LLC	Norwalk	—	◇ UNVERIFIED
OOOx Owner, LLC.	Uncasville	—	◇ UNVERIFIED
PPParallax Power Components, LLC	Bridgeport	—	◇ UNVERIFIED
PEPerkin Elmer Chrom Division	Norwalk	—	◇ UNVERIFIED
TCTwenty-five Commerce INC Dba Crystal Ice	Norwalk	—	◇ UNVERIFIED
UEUltra Electronics Measurement Systems	Wallingford	—	◇ UNVERIFIED
VVVishay Vitramon, Incorporated	Monroe	—	◇ UNVERIFIED
9D908 Danbury	Danbury	20–99	◐ LIKELY ACTIVE
BVBi-Metallix Vishay Dale Electronics	East Windsor	20–99	◐ LIKELY ACTIVE
BBrookfield	Brookfield	100–499	◐ LIKELY ACTIVE
CICoherent, Inc - Bloomfield	Bloomfield	100–499	◐ LIKELY ACTIVE
CHCt112 Haydon Kerk	Waterbury	100–499	◐ LIKELY ACTIVE
CACt194 Ametek Magnetrol Usa, LLC	Naugatuck	20–99	◐ LIKELY ACTIVE
EMESCO Maritime Solutions	Wallingford	20–99	◐ LIKELY ACTIVE
LLabCorp	Bloomington	20–99	◐ LIKELY ACTIVE
MTMicrochip Technology Inc. Simsbury	Simsbury	20–99	◐ LIKELY ACTIVE
MCMicrosemi CORP. - Rf Signal Processing	Simsbury	—	◐ LIKELY ACTIVE
OEOmega Engineering - CT	Norwalk	20–99	◐ LIKELY ACTIVE
OIOSDA Inc	Milford	20–99	◐ LIKELY ACTIVE
PMParker Medical	Danbury	20–99	◐ LIKELY ACTIVE
PSPrecision Sensors	Milford	100–499	◐ LIKELY ACTIVE
SSSetra Systems, INC.	Plainville	—	◐ LIKELY ACTIVE
SCStratford Connecticut	Stratford	100–499	◐ LIKELY ACTIVE
TSThe Siemon Company- Assembly	Watertown	100–499	◐ LIKELY ACTIVE
TSThe Siemon Company- Dynamic	Watertown	20–99	◐ LIKELY ACTIVE
TAThinklogical, A Belden Brand	Milford	20–99	◐ LIKELY ACTIVE
TTM Technologies SS Division	Stafford Springs	100–499	◐ LIKELY ACTIVE
VAVishay Americas	Shelton	20–99	◐ LIKELY ACTIVE
VVjct	East Haven	1–19	◐ LIKELY ACTIVE
VCVjis Ct	East Haven	1–19	◐ LIKELY ACTIVE
WWallingford	Wallingford	20–99	◐ LIKELY ACTIVE
CSCyber-hack Solutions LLC	Middletown	—	◐ LIKELY ACTIVE
EBEnergy Beam Sciences, INC.	East Granby	—	◇ UNVERIFIED
NUNutmeg Utility Products	Cheshire	1–19	◇ UNVERIFIED
BLBurndy, LLC	Bethel	—	▲ REPORTED CLOSED
MSMorristown Star Struck, LLC	Bethel	—	◇ UNVERIFIED
SHSiemens Healthcare Diagnostics	Brookfield	—	▲ REPORTED CLOSED

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