This is a list of companies in Wisconsin, which is a state in the Upper Midwest and Great Lakes regions of the United States. In 2025, Wisconsin's current-dollar gross state product was $473.0 billion. Manufacturing, agriculture, and tourism have historically been major sectors of the state's economy. The Wisconsin Economic Development Corporation identifies several key industries in the state, including biohealth, water technology, advanced manufacturing, forest products, energy, power and controls, and food and beverage.
Notable firms This list includes notable companies with primary headquarters located in the state. The industry and sector follow the Industry Classification Benchmark taxonomy. Organizations which have ceased operations, relocated, or were acquired are included and noted.
See also Agriculture in Wisconsin Bus transportation services in Wisconsin Economy of Wisconsin List of companies of the United States by state List of companies in Madison List of companies in Milwaukee List of manufacturing companies based in Wisconsin List of Wisconsin railroads Lists of occupations List of shopping malls in Wisconsin
References