Founded in 1997, SL Green Realty Corporation is one of the leading self-managed real estate investment trusts in New York. It acquires, owns, repositions and manages office properties. The company also offers leasing, redeveloping and re-leasing services. SL Green Realty Corporation provides building concierge, tenant, and food ordering and delivery services, as well as a variety of office solutions. It operates more than 60 offices and retail properties The company s properties feature garages and cable connections.