Owner and operator of office buildings in multiple markets across the United States. The company owns and manages office building with a total office portfolio consisting of whole or partial interests in 581 buildings comprising 109.2 million square feet in 16 states and the District of Columbia. Equity Office has an ownership presence in 24 Metropolitan Statistical Areas (MSAs) and in 100 submarkets, enabling it to provide a wide range of office solutions for local, regional and national customers. Owner and operator of office buildings in multiple markets across the United States.