Greeneville's Huf-Tennessee facility currently includes 54,000 square-feet of production space and 17,000 square-feet for offices.
Huf designs, develops and manufactures mechanical and electronic key systems, lock sets, steering locks and remote control systems for the automotive industry.
Huf-Tennessee's just-announced $20 million expansion here will provide for the production of painted outer-door handles for automotive customers.
The Huf Group employs more than 4,800 individuals worldwide, with operations in 16 countries, according to a news release about the new $20 million expansion project.
The company's major customers include Ford, Chrysler and BMW, but range across most major automotive brands, according to Plant Manager Michael Lehman.
There are currently 143 employees at the Huf-Tennessee location.
The company first came to Greeneville in 1995.
The original investment for the Mt. Pleasant Industrial Park plant was reportedly about $6.5 million.
Huf North America is a wholly-owned subsidiary of Huf Hülsbeck & Fürst GmbH & Co. KG, headquartered in Velbert, Germany.