|Corporate Office Properties Trust is an office real estate investment trust (REIT), which focuses on the customer relationships and specialized tenant requirements in the United States Government and defense information technology, and data sectors. The Company acquires, develops, manages and leases office and data center properties that are concentrated in office parks. COPT operates in two primary industries: commercial office real estate and wholesale data centers. In February 2012, the Company sold five buildings in the White Marsh submarket of Greater Baltimore, MD. In May 2012, the Company sold two buildings and land in Rockville. In July 2012, it disposed 24 operating properties and the Fort Ritchie development. In December 2013, Corporate Office Properties Trust completed the disposition of 15 operating properties.