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CoStar Group, Inc. provides commercial real estate information, analytics, and online marketplaces to the commercial real estate and related business communities. The firm's suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values and market conditions. Read More Its brands include CoStar, which is the largest provider of CRE research and real-time data; LoopNet, which is the most heavily trafficked mobile and online real estate marketplace; Apartments.com, which is the rental home resource for renters, property managers and owners; STR, which provides performance benchmarking and comparative analytics to the hotel industry; BizBuySell, which is the online marketplace for businesses-for-sales; and Lands of America, which is the operator of online marketplaces for rural real estate. The company was founded by Andrew C. Florance and Michael R. Klein in 1987 and is headquartered in Washington, DC.
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