Operational for about 94 years, Century 21 Summit Realty Inc. is a full-service real estates firm. Based in Buena Vista, Colo., the firm serves in Buena Vista, Salida, Nathrop and its adjacent areas. It offers new homes, luxury properties, vacant land, commercial properties, office Buildings and motels. The company also renders a number of property buying and selling services. Century 21 Summit Realty Inc. is as a subsidiary of Cendant Corp. and operates more than 10,000 residential/commercial estate offices globally.