CoStar Group, Inc. (CoStar) is a provider of information services to the commercial real estate industry in the United States and United Kingdom. CoStar’s integrated suite of services offers customers online access to a database of commercial real estate information. The Company delivers its content to its United States customers through an integrated suite of online service offerings that includes information about space available for lease, comparable sales information, tenant information, information about properties for sale, property information for clients’ Websites, information about industry professionals and their business relationships, analytic information, data integration, property marketing and industry news. In October 2009, the Company acquired Resolve Technology, Inc.