Vail Resorts, established in 1997 and headquartered in Avon, Colo., owns and operates mountain resorts throughout North America. The company s areas of operations include mountain, lodging, golf and tennis clubs, and real estate. It owns and operates ski resorts at Vail, Breckenridge, Keystone, and Beaver Creek mountains in Colorado. The recreational activities offered by its resorts include skiing, snowboarding, snowshoeing, tubing, and mountain biking. It owns and manages luxury resort hotels throughout the United States under the name of RockResorts International. The company also owns Grand Teton Lodge Company, and the Heavenly Ski Resort in California and Nevada. Its subsidiary, Vail Resorts Development Company, engages in planning, development, and construction of real estate properties. Vail Resorts also offers online reservations, resorts information, and virtual tours to customers.