Greene, Tweed & Co. Inc. company, founded in 1863, manufactures a head spinning lineup of specialty seals, gaskets, fiber optic connectors, and custom engineered plastic components for the aerospace and defense, pharmaceutical, and chemical industries. Its products are also at the heart of the petrochemical, oilfield OEM, industrial hydraulics, and semiconductor and solar markets. Greene, Tweed's products are used in a diversity of applications, from brakes on earth-moving equipment and jets to machinery used in processing chemicals and making semiconductors. The company's roster of customers includes Airbus, Boeing, Bayer, and the US Air Force.