Linden Assembly was a General Motors automobile factory in Linden, New Jersey. The 2,600,000-square-foot (240,000 m²) factory opened in 1937 to build Buick, Pontiac, Cadillac, and Oldsmobile vehicles. During World War II, the plant was also used to produce fighter planes for the United States military, primarily the FM Wildcat, an improved version of the F4F Wildcat.