CoStar Group, Inc. is a provider of online real estate marketplaces, information, and analytics in the property markets. It manages its business in two segments: North America, which includes the United States and Canada, and International, which primarily includes Europe, Asia-Pacific and Latin America. Its major brands include CoStar, a global provider of commercial real estate data, analytics, and news; LoopNet, a commercial real estate marketplace; Apartments.com, a platform for apartment rentals; and Homes.com, a residential real estate marketplace. Its other brands include STR, which is engaged in hospitality data and benchmarking, Ten-X, an online platform for commercial real estate auctions and negotiated bids and OnTheMarket, a residential property portal in the United Kingdom. The Company, through Matterport, Inc., is advancing property insights and driving the growth of AI-driven digital twin technology across the global commercial and residential real estate sector.