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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 Connecticut69Capitol66Western Connecticut61Naugatuck Valley42Greater Bridgeport18Lower Connecticut River Valley13Southeastern Connecticut8Northeastern Connecticut7

Biggest cities

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.

FacilityCityEmployeesStatus
Msrs LLCGranby— ACTIVE
Mutualink, INC.Wallingford— ACTIVE
Nanoengineering CorporationNew Haven— ACTIVE
Navigtr INCOld Greenwich— ACTIVE
Omega Engineering, INC.Norwalk— ACTIVE
Owl Cyber Defense Solutions, LLCDanbury— ACTIVE
Owl Cyber Defense Solutions, LLCDanbury— ACTIVE
Pmc-sts INCDanbury— ACTIVE
Real-time Analyzers INCMiddletown— ACTIVE
Scalables, LLCWallingford— ACTIVE
Skymira LLCMilford— ACTIVE
Smi Tech, LLCSouthport— ACTIVE
Tek Industries, LLCVernon Rockville— ACTIVE
Thinklogical, INC.Milford— ACTIVE
Tipsui LLCLitchfield— ACTIVE
Ttm Printed Circuit Group LLCStafford Springs— ACTIVE
Ttm Technologies, INC.Stafford Springs— ACTIVE
Underground Systems INCBethel— ACTIVE
Unholtz-dickie CORPWallingford20–99 ACTIVE
Video Insights, LLCSouthbury— ACTIVE
Web Industries IncDayville20–99 ACTIVE
Westfair Tv, L.l.cFairfield— ACTIVE
Xcaliber Technologies INC.Norwalk— ACTIVE
Xcerus INC.Pomfret Center— ACTIVE
Zetroz Systems LLCTrumbull— ACTIVE
Ashcroft INCStratford100–499 REPORTED CLOSED
East Coast Sensors, INC.Stratford1–19 LIKELY ACTIVE
Electro Mechanical Specialists, LLCBozrah1–19 LIKELY ACTIVE
Gems SensorsPlainville100–499 LIKELY ACTIVE
Rfs Technologies, INC.Meriden100–499 LIKELY ACTIVE
Telefunken Usa, LLCSouth Windsor20–99 LIKELY ACTIVE
Airflo Instrument Company, theGlastonbury1–19 LIKELY ACTIVE
Altek Electronics INCTorrington100–499 LIKELY ACTIVE
Amphenol CorporationDanbury— LIKELY ACTIVE
Clinton Instrument CO theClinton1–19 LIKELY ACTIVE
Honeywell Fire SafetyNorthford500+ LIKELY ACTIVE
Mirion Technologies (canberra) INCMeriden100–499 LIKELY ACTIVE
Unison Engine ComponentsManchester— LIKELY ACTIVE
Ttm Printed Circuit Group, INC.Stafford— LIKELY ACTIVE
Ttm TechnologiesStafford— LIKELY ACTIVE
Tech Circuits INCWallingford— UNVERIFIED
AccutronWindsor20–99 LIKELY ACTIVE
Belimo U.s. INC.Danbury500+ LIKELY ACTIVE
Charge Solutions INCMilford— LIKELY ACTIVE
Classic Coil CompanyBristol20–99 LIKELY ACTIVE
Food Automation-service Techniques INCStratford20–99 LIKELY ACTIVE
Lni Swissgas US LLCRocky Hill1–19 LIKELY ACTIVE
Omega Engineering, INC.Norwalk— LIKELY ACTIVE
Pyramid Time Systems Holdings LLCMeriden20–99 LIKELY ACTIVE
Rpa INCHamden1–19 LIKELY ACTIVE

Search all 303 facilities

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