Graham Corporation, together with its subsidiaries, designs, manufactures, and supplies vacuum and heat transfer equipment for the chemical, defense, petrochemical, petroleum refining, power generation/alternative energy, and other industries. It offers heat transfer equipment, including surface condensers, heliflows, water heaters, and various types of heat exchangers, as well as custom-engineered ejectors; vacuum equipment, such as steam jet ejector vacuum systems and liquid ring vacuum pumps; and turbomachinery products for the aerospace, cryogenic, defense, and energy markets. The company also services and sells spare parts for its equipment. It sells its products directly, as well as through independent sales representatives in the United States, the Middle East, Canada, Asia, South America, and internationally. Graham Corporation was founded in 1936 and is headquartered in Batavia, New York.