Apartment Investment and Management Company (Aimco) is a self-administered and self-managed real estate investment trust (REIT). The Company has two segments: conventional real estate operations, which consist of apartment communities that are classified as conventional same store, conventional redevelopment and other conventional apartment communities; and affordable real estate operations, which consists of apartment communities that are classified as affordable same store or other affordable. The Company, through wholly-owned subsidiaries, is the general and special limited partner of AIMCO Properties, L.P. (the Aimco Operating Partnership - AOP). As of September 30, 2014, the Company owned a 95.0% ownership interest in the common partnership units of AOP. AOP is focused on the ownership, management and redevelopment of apartment communities located in the United States.