Automotive Tier 2 Suppliers Companies in California

California has approximately 35,000 manufacturing establishments and 1,300,000 manufacturing employees. California is the largest manufacturing state by output, leading in aerospace, semiconductors, medical devices, and food processing across its diverse regional economies.

California contributes to the national automotive tier 2 suppliers landscape. 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 California include Los Angeles, San Diego, San Jose, San Francisco, Fresno, Irvine, and Long Beach. These cities have concentrations of manufacturers across sectors including semiconductor manufacturing, aerospace manufacturing, and medical device manufacturing.