Hartz Mountain Industries, which started as a real estate hobby for the Sterns, began construction of its first speculative industrial building in Bayonne, New Jersey in 1966, and made its first major land acquisition with a  tract of land in the New Jersey Meadowlands.
Hartz Mountain Industries, which began as a real estate endeavor for the Sterns, built its first industrial building in Bayonne, New Jersey in 1966 and acquired a significant piece of land in the New Jersey Meadowlands.