Take Toyota for example....
Long Beach, CA plant (TABC)
Toyota’s first U.S. manufacturing plant; produces sheet metal components, steering columns, catalytic converters, and coated catalytic substrates for US and export. Assembles commercial trucks for Hino Motors to be sold in North America and beginning in 2005, will assemble 4-cylinder engines.
Buffalo, West Virginia (US) plant
Builds four cylinder and V6 engines and automatic transmissions. Started making automatic transmission gears in 2006.(930 people 340,000 Fours 200,000 Sixes 360,000 Trans)
Georgetown, Kentucky (US) plant
Toyota’s largest facility outside of Japan; highest production of any foreign plant in the US. Also builds four and six cylinder engines and powertrain parts. American president. Builds Toyota’s first American-made hybrid. (6,900 employees 500,000 vehicles 500,000 engines)
Additionally,
Toyota's total direct investment in the U.S. has now grown to more than $17 billion, and our annual spending on parts, goods and services from hundreds of U.S. suppliers totals more than $29 billion. Source
Also, IIRC Toyota has a stamping plant in Princeton, Indiana.