Greene, Tweed, also known as GT, provides a range of engineered components and sealing solutions. Founded in 1863, it offers Chemraz, which is a chemical-resistant elastomer. The company also provides WR, which is a wear-resistant, carbon-fiber reinforced thermoplastic composite. Greene, Tweed has engineering, sales and support individuals throughout North America, South America, Europe and Asia. It serves clients in the aerospace, defense, pharmaceutical and medical industries. The company also offers composite connectors and materials. Greene, Tweed provides sanitary gaskets, brackets and wear rings. In addition, it operates several manufacturing sites and technical centers throughout the world.