Corporate Office Properties Trust (Corporate Office) is the US based specialty office real estate investment trust. It is engaged in the acquisition, development, ownership, management, and leasing of properties. The company owns and operates through 256 properties totaling 19.2 million rentable square feet that were 93% occupied. Further, it also consists of 18 properties totaling 769,000 square feet held through joint ventures. The company operates through two segments which include Real Estate Operations and Construction Contract and Other Service Revenues and Expenses. Corporate Office principally operates in the US. It is headquartered at Columbia, Maryland, the US and employs approximately 372 people.