Equity Residential operates as a real estate investment trust. The company is headquartered in Chicago, Illinois and currently employs 2,400 full-time employees. The firm is focused on the acquisition, development and management of residential properties located in and around cities. The Company’s primary business is the acquisition, development and management of multifamily residential properties, which includes the generation of rental and other related income through the leasing of apartment units to residents. The company owns and operates rental apartment properties in Boston, New York, Washington, D.C., Southern California (including Los Angeles, Orange County and San Diego), San Francisco, and Seattle. The firm is also focused on expanding its operations in Denver, Atlanta, Dallas/Ft. Worth and Austin. The firm owns approximately 308 properties located in 10 states and the District of Columbia consisting of approximately 79,597 apartment units.