Graham Corporation, together with its subsidiaries, designs, manufactures, and sells custom-engineered vacuum and heat transfer equipment to customers worldwide. Its products include steam jet ejector vacuum systems and liquid ring vacuum pumps, surface condensers, Heliflows, water heaters, and various types of heat exchangers. The company also services and sells spare parts for its equipment; and offers supplies and components for inside the reactor vessel and outside the containment vessel of nuclear power facilities. Its products are used in the chemical, petrochemical, petroleum refining, and electric power generating industries for a range of industrial process applications. The company sells its products directly, as well as through independent sales representatives. Graham Corporation was founded in 1936 and is headquartered in Batavia, New York.