Forest City Enterprises, Inc. acquires, owns, develops, and manages commercial and residential real estate and land in the United States. The company operates through three strategic business units: Commercial Group, Residential Group, and Land Development Group. The Commercial Group strategic business unit acquires, owns, develops, and operates regional malls, specialty and urban retail centers, office and life science buildings, and mixed-use projects, as well as operates Barclays Center, a sports and entertainment arena located in Brooklyn, New York. As of December 31, 2013, it owned interests in 83 completed rental properties, including 42 office properties, 16 regional malls, and 25 specialty retail centers. The Residential Group strategic business unit acquires, owns, develops, leases, and operates residential rental properties, including upscale urban properties, middle-market apartments, and adaptive re-use developments, as well as develops and manages military family housing. As of the above date, its operating portfolio consisted of 32,907 apartment units in 117 properties; and 14,104 military housing units under management in various stages of operations and/or redevelopment, as well as 6 apartment communities under construction. The Land Development Group strategic business unit acquires and sells both land and developed lots to residential, commercial, and industrial customers. Forest City Enterprises, Inc. was founded in 1920 and is headquartered in Cleveland, Ohio.