Hartz Mountain Industries, established in 1969, is one of the largest private owners of commercial real estate in the United States. The company owns and operates a portfolio of more than 200 buildings in New York and New Jersey, representing over 30-million-square-feet of retail, hotel, office and industrial properties. Its portfolio also comprises more than 200 undeveloped acres of prime land in northern New Jersey. The firm s in-house construction and architecture departments designs and builds a wide range of projects, including commercial office buildings, retail centers, hotels, research and development laboratories, and industrial properties. Its architectural department offers site studies and site planning, analysis of building codes and zoning regulations, and project administration services. The company also provides property and asset management, leasing and marketing, and legal services. Hartz Mountain Industries is based in Secaucus, N.J.