Electrical Equipment Manufacturing Companies in Wisconsin

Wisconsin has approximately 8,500 manufacturing establishments and 470,000 manufacturing employees. Wisconsin is a manufacturing powerhouse, with Milwaukee as a major industrial center, extensive metal fabrication and food processing, and iconic manufacturers like Harley-Davidson and Oshkosh Corporation.

Wisconsin is one of the leading states for electrical equipment manufacturing. 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 Wisconsin include Milwaukee, Madison, Green Bay, Racine, Oshkosh, and Appleton. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and agricultural equipment manufacturing.