CoreSite Realty Corp. is a real estate investment trust, which engages in the business of data center ownership, acquisition, construction, and operation. Its data center comprises of house networking, storage, and communications technology infrastructure, including servers, storage devices, switches routers, and fabric optic transmission equipment. The firm also offers collocation and interconnection solutions for networks, cloud services, and industry solutions. CoreSite Realty was founded in 2001 and is headquartered in Denver, CO.