Automotive Tier 1 Suppliers Companies in Indiana

Indiana has approximately 8,500 manufacturing establishments and 530,000 manufacturing employees. Indiana has the highest manufacturing employment share of any state, driven by automotive OEMs and suppliers, steel production, and the RV capital in Elkhart.

Indiana is one of the leading states for automotive tier 1 suppliers. 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 Indiana include Indianapolis, Fort Wayne, Elkhart, South Bend, Columbus, and Lafayette. These cities have concentrations of manufacturers across sectors including automotive oem manufacturing, automotive tier 1 suppliers, and steel manufacturing.