Hitachi America, Ltd., a subsidiary of Hitachi, Ltd. established in 1959, is headquartered in Tarrytown, New York. Hitachi America markets and manufactures a broad range of electronics, computer systems and products, and ......Hitachi America, Ltd., a subsidiary of Hitachi, Ltd. established in 1959, is headquartered in Tarrytown, New York. Hitachi America markets and manufactures a broad range of electronics, computer systems and products, and provides industrial equipment and services throughout the Americas.