EMPIRE STATE REALTY TRUST, INC., also called Empire State Realty Trust, is a real estate investment trust, which engages in owning, managing, acquiring, and repositioning office and retail properties in Manhattan and the greater New York metropolitan area. It operates through the following segments: Real Estate and Observatory. Read More The Real Estate segment includes ownership, management, operation, acquisition, repositioning and disposition of real estate assets. The Observatory segment manages observatories at the empire state building. The company was founded on July 29, 2011 and is headquartered in New York, NY. The listed name for ESRT is EMPIRE STATE REALTY TRUST, INC.