CoStar Group, Inc. provides information, analytics, and marketing services to the commercial real estate industry in the United States, the United Kingdom, and France. Its services include CoStar Property Professional service that offers inventory of office, industrial, retail, and multifamily properties and land; CoStar COMPS Professional, which provides coverage of comparable sales information; CoStar Tenant, an online business-to-business prospecting and analytical tool; CoStarGo, an iPad application that integrates its property, tenant, and comparable sales information; and CoStar Advertising to market a space for lease or a property for sale. The company's services also comprise PPR Portal, a delivery platform for research, forecasts, analytics, and granular data; PPR COMPASS, a commercial real estate risk management tool; Resolve Portfolio Maximizer, a real estate portfolio management software solution; Resolve Request, a business intelligence software solution; VP Corporate Edition and VP Retail Edition, which are real estate management software solutions. In addition, its services include LoopNet Premium Lister designed for commercial real estate professionals and other customers; LoopNet Premium Searcher designed for members searching for commercial real estate; LoopLink LoopLink, an online real estate marketing and database services suite; LandsofAmerica and LandAndFarm, which are online marketplaces for rural land for sale; BizBuySell and BizQuest that are online marketplaces for operating businesses for sale; FOCUS, a digital online service; and Observatoire Immobilier D' Entreprise, which provides commercial property availability. The company serves commercial real estate brokers, as well as owners, landlords, financial institutions, retailers, vendors, appraisers, investment banks, governmental agencies, and other parties involved in commercial real estate. CoStar Group, Inc. was founded in 1987 and is headquartered in Washington, District of Columbia.