The American Locomotive Company was an American manufacturer that operated from 1901 to 1969, initially specializing in the production of locomotives but later diversifying and fabricating at various times diesel generators, automobiles, steel, tanks, munitions, oil-production equipment, as well as heat exchangers for nuclear power plants.

The Worthington Corporation was a diversified American manufacturer that had its roots in Worthington and Baker, a steam pump manufacturer founded in 1845. In 1967 it merged with Studebaker and Wagner Electric to form Studebaker-Worthington. This company was in turn acquired by McGraw-Edison in 1979.