Piedmont Office Realty Trust provides office space for life in the big city. A self-managed and self-administered real estate investment trust (REIT), the company invests in, develops, and manages primarily Class A office buildings in major US markets. One of the nation's largest office REITs, Piedmont owns or partially owns about 75 office and industrial properties, comprising some 21 million sq. ft. of leasable space. Many of its properties are located in Chicago, the New York Metro area, and Washington, DC. Piedmont's holdings include Chicago's Aon Center and the headquarters buildings for US Bancorp and Nestlé USA.