CoStar Group, Inc. provides information, analytics and marketing services to the commercial real estate industry. Its integrated suite of online service offerings includes information about space available for lease, comparable sales information, tenant information, information about properties for sale, internet marketing services, analytical capabilities, information for client’s websites, information about industry professionals and their business relationships, data integration and industry news. The company was founded by Andrew C. Florance and Michael R. Klein in 1987 and is headquartered in Washington, DC. [Source: MarketWatch]
Company Website: http://www.costargroup.com