Connecticut Water Service, Inc. is a public utility company that provides water to customers in Connecticut and Maine. The company was founded in 1956 and is headquartered in Clinton, Connecticut. Connecticut Water Service, Inc. operates through three segments: Water Operations, Real Estate Transactions, and Services and Rentals. The Water Operations segment supplies public drinking water. The Real Estate Transactions segment involves the sale or donation of its real estate holdings. The Services and Rentals segment provides contracted services to water and wastewater utilities and other clients. Connecticut Water Service, Inc. is listed on the NASDAQ stock exchange under the ticker symbol CTWS.