Wisconsin Top Companies List by Market Cap as of August 2026

Johnson Controls is a multi sector company that create intelligent buildings, efficient energy solutions, integrated infrastructure and next generation transportation systems that work seamlessly together to deliver on the promise of smart cities and communities. They have offices in 2000 locations and has 120,000 employees across the world. Headquarters is in Wisconsin, USA.

Company manufactures and develops software products and technology hardware products to do industrial automation. Headquarters is in USA.

As on 2022, ROCKWELL AUTOMATION has 26,000 employees.

Electricity and natural gas supplying company with headquarters is in Wisconsin, USA.

As on 2022, WEC ENERGY GROUP has 7,022 employees.

WEC ENERGY GROUP annual revenue generated for period ending Dec-2022 was 9,597 million USD.

WEC ENERGY GROUP annual net income generated for period ending Dec-2022 was 1,408 million USD.

FISERV company provides technology solutions Payments, Processing Services, Risk and Managment. Fiserv is a global leader in financial services technology solutions. They are helping more than 12,000 clients worldwide create and deliver experiences for a digital world that's always on. Fiserv provides Solutions that enable today's consumer to move and manage money with ease, speed and convenience. Headquarters is in USA.

As on 2022, FISERV has 41,000 employees.

Menards is retail sector company that operate chain of stores related to home improvement products in USA. Headquarters is in USA.

Healthcare company related to Cancer treatment. Headquarters is in Wisconsin, USA.

SNAP-ON is Tools and accessories manufacturing company with headquarters is in Wisconsin, USA. They manufacture hand tools, power tools, diagnostic tools, shop & tech tools.

As on 2022, SNAP-ON has 12,800 employees.

SNAP-ON annual revenue generated for period ending Dec-2022 was 4,492 million USD.

SNAP-ON annual net income generated for period ending Dec-2022 was 911 million USD.

Total Assets as on Dec-2022 was 6,972 Million USD.

Alliant Energy Corporation is a public utility holding company. The Company supplies electricity, natural gas and water to residential and commercial customers. The Company's segments include Utility and Non-regulated, Parent and Other. The company products are electricity and natural gas. The headquarters is in USA.

As on Dec-2022, Alliant Energy Corporation has 3,129 employees.

Alliant Energy Corporation annual revenue generated for period ending Dec-2022 was 4,205 million USD.

Generac Holdings is Industries and Metal Fabrication company. The company products are home backup, portable generators, clean energy, pressure washers, generac PRO, Wi-Fi enabled, parts and accessories, all generac products, business standby, industrial generators, mobile generators, light towers, heaters and pumps. The headquarters is in USA.

As on 2021, Generac Holdings has 17,000 employees

Generac Holdings annual revenue generated for period ending Dec-2021 was 3,737 million USD.

REGAL REXNORD CORPORATION is a leading manufacturer of electric motors, electrical motion controls, power generation and power transmission products serving markets throughout the world. Headquarters is in USA. Regal is one of the world’s largest producers of electric motors with technology and manufacturing centers spanning the globe.

Headquarters is in Wisconsin, USA.

REGAL BELOIT CORPORATION merged with REXNORD CORPORATION and formed as REGAL REXNORD CORPORATION.