Mid-America Apartment Communities, Inc. is a real estate investment trust, which engages in the operation, acquisition, and development of apartment communities. It operates through the Same Store and Non-Same Store segments. The Same Store Communities segment represents those apartment communities that have been owned and stabilized for at least 12 months as of the first day of the calendar year. The Non-Same Store segment includes recent acquisitions, communities in development or lease-up. The company was founded in 1994 and is headquartered in Germantown, TN.