Electrical Equipment Manufacturing Companies in Connecticut

Connecticut has approximately 4,200 manufacturing establishments and 160,000 manufacturing employees. Connecticut is a precision manufacturing powerhouse, home to Pratt & Whitney, Sikorsky, and Electric Boat, with deep expertise in aerospace and defense components.

Connecticut contributes to the national electrical equipment manufacturing landscape. Electrical equipment manufacturing encompasses companies that produce power distribution equipment, transformers, switchgear, electric motors, generators, wiring devices, and lighting equipment. This industry is experiencing strong growth driven by grid modernization, data center construction, EV charging infrastructure, and renewable energy deployment.

Transformer Manufacturers: Companies producing power and distribution transformers from small pad-mounts to large utility substation units.

Switchgear & Panel Builders: Manufacturers of low, medium, and high-voltage switchgear, motor control centers, and electrical panels.

Electric Motor Manufacturers: Companies producing AC/DC motors, drives, and generators for industrial, HVAC, and transportation applications.

Wiring Device Makers: Manufacturers of outlets, switches, connectors, and wiring accessories for commercial and residential use.

Lighting Equipment Producers: Companies manufacturing LED lighting, industrial fixtures, and smart lighting control systems.

Major industrial centers in Connecticut include Hartford, Bridgeport, New Haven, Stamford, and Waterbury. These cities have concentrations of manufacturers across sectors including aerospace manufacturing, defense manufacturing, and medical device manufacturing.