Automotive Tier 2 Suppliers 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 automotive tier 2 suppliers. Automotive Tier 2 suppliers manufacture components and sub-assemblies that are sold to Tier 1 suppliers for integration into larger automotive systems. These companies include precision machine shops, stamping companies, die casters, injection molders, and specialty component manufacturers that form the backbone of the automotive supply chain.

Precision Machining Shops: CNC machining companies producing close-tolerance turned, milled, and ground components for automotive applications.

Metal Stamping Companies: Progressive die and transfer press operations producing brackets, housings, and structural stampings.

Die Casting Operations: Aluminum and zinc die casters producing housings, brackets, and structural castings for Tier 1 assemblies.

Injection Molding Shops: Custom molders producing plastic components, connectors, and housings for automotive systems.

Heat Treatment & Surface Finishing: Companies providing hardening, plating, coating, and other surface treatments for automotive parts.

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.