Alexandria Real Estate Equities, Inc., a real estate investment trust (REIT), engages in the ownership, operation, management, development, acquisition, and redevelopment of properties for the life sciences industry. Its properties consist of buildings containing scientific research and development laboratories, and other improvements. The company offers its properties for lease primarily to universities and independent not-for-profit institutions; and pharmaceutical, biotechnology, medical device, life science product, service, biodefense, and translational research entities, as well as governmental agencies. As of December 31, 2006, it had 159 properties, including 156 properties located in 9 states in the United States and 3 properties located in Canada. As a REIT, the company is not subject to federal income tax to the extent that it distributes 100% of its taxable income to its stockholders. The company was founded in 1993 and is based in Pasadena, California.