Hinckley Yachts, founded in 1928, manufactures, services and sells luxury sail and powerboats. The company is based in Maine, United States. The company has developed yacht technologies including JetStick and Dual Guard composite material, and was an early developer of the fiberglass hull. Currently, Hinckley operates service yards in seven locations along the east coast of the United States, making it one of the most integrated boating concerns in the United States.[citation needed] Hinckley’s present yacht line includes boats ranging in size from 29 to 55 feet. All of Hinckley’s yachts are built to order with customization of the interior and exterior cosmetics as required by the purchaser.