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Audi's iconic four interlocking rings symbolize the 1932 merger of four previously independent German automobile manufacturers that formed the Auto Union AG. The Four Founding Companies Each ring represents one of the four heritage brands: Wikipedia Wikipedia +3 Audi: Founded by August Horch; the name is the Latin translation of his surname, which means "hark" or "listen". DKW: Known for its small cars and motorcycles. Horch: August Horch's original company. Wanderer: A manufacturer that specialized in mid-size and small cars.