Automotive Tier 1 Suppliers Companies in Washington

Washington has approximately 6,500 manufacturing establishments and 290,000 manufacturing employees. Washington is the nation's leading aerospace manufacturing state, dominated by Boeing's Everett and Renton assembly lines, with additional strength in food processing and tech manufacturing.

Washington contributes to the national automotive tier 1 suppliers landscape. Automotive Tier 1 suppliers are companies that supply finished components, modules, and systems directly to vehicle OEMs. These include global mega-suppliers like Bosch, Denso, Magna, Continental, and ZF as well as hundreds of mid-size companies specializing in seating, braking, steering, lighting, and electronics assemblies.

Powertrain Component Suppliers: Companies manufacturing engine blocks, cylinder heads, transmission housings, and drivetrain components for OEMs.

Chassis & Suspension Suppliers: Manufacturers of control arms, knuckles, subframes, springs, and other chassis components.

Interior Systems Suppliers: Companies producing seats, instrument panels, door panels, and interior trim assemblies.

Electronics & Electrical Suppliers: Manufacturers of wiring harnesses, ECUs, sensors, and advanced driver assistance systems.

Body & Exterior Suppliers: Companies producing bumpers, mirrors, glass, lighting assemblies, and exterior trim.

Major industrial centers in Washington include Seattle, Spokane, Tacoma, Everett, Renton, and Kent. These cities have concentrations of manufacturers across sectors including aerospace manufacturing, food processing manufacturing, and wood products manufacturing.