Cogdell Spencer puts its money where your health is. The self-administered real estate investment trust (REIT) acquires, develops, and manages health care properties, including surgery centers, medical office buildings, and rehabilitation facilities, most of which are located on hospital campuses. It owns or manages about 110 properties, totaling nearly 6 million sq. ft. of space in a dozen states. The majority of its properties are located on hospital campuses in South Carolina, North Carolina, and Georgia. Subsidiary Erdman designs and builds health care facilities. Erdman has provided planning, engineering, construction, and related services for more than 5,000 properties throughout the US.