CoStar Group, Inc.

CoStar Group provides databases and online tools that commercial real estate professionals use to buy, sell, and lease properties. Their services include property listings and sales data for office buildings, apartments, retail spaces, and hotels, plus tools to manage leases and analyze market trends. They also operate marketplaces where people can buy and sell commercial real estate, rural land, and businesses, including websites like LoopNet.com and Ten-X. Banks and property managers use CoStar's software to track loans, manage portfolios, and benchmark performance against competitors.