Electrical Equipment Manufacturing Companies in Maine

Maine has approximately 1,600 manufacturing establishments and 52,000 manufacturing employees. Maine's manufacturing heritage includes Bath Iron Works naval shipbuilding, a robust wood products industry, and growing specialty food manufacturing.

Maine 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 Maine include Portland, Lewiston, Bangor, and Bath. These cities have concentrations of manufacturers across sectors including shipbuilding & marine manufacturing, wood products manufacturing, and food processing manufacturing.