SL Green Realty is a self-administered and self-managed real estate investment trust. The company is a publicly held real estate investment trust that acquires, owns, repositions and manages office properties. It focuses on owning and operating office buildings in New York City. SL Green Realty offers the amenities and services of modern office buildings to tenants. The company owns more than 30 office buildings. Founded in 1997, SL Green Realty is located in New York City.