Kaiser Jeep resulted from the 1953 merger of Kaiser Motors, an independent passenger car maker based in Willow Run, Michigan, with the Toledo, Ohio-based Willys-Overland Company. . Willys-Overland had been at one point before World War II the U.S.'s second-largest car-maker after Ford, but their fortunes waned during the 1930s. Willys survived during the war by getting the primary contract to build the U.S. World War II jeeps for the American and Allied armed forces.
https://en.wikipedia.org/wiki/Kaiser_Jeep