Fruehauf Trailer Corporation
Fruehauf Trailer Corporation, previously Fruehauf Trailer Company (1918–1963) and Fruehauf Corporation (1963–1989), was an American company engaged in the manufacture and sale of truck trailers, and other machinery and equipment, with headquarters located in Detroit, Michigan. It was founded in 1918 in Detroit, after August Fruehauf created the semi-trailer and launched a new industry.
Source: Wikipedia — Fruehauf Trailer Corporation (CC BY-SA 4.0)