We are a worldwide leader in elastomeric sealing solutions. Utilizing proprietary compounds and process techniques, as well as diverse compression molding capabilities, we offer the most comprehensive sealing portfolio on the market. With expertise across a wide spectrum of materials, profiles and sizes, we develop customized solutions for your most critical applications. And our dedication to our customers’ needs is evident throughout our company – from the world’s first elastomeric clean-room manufacturing facility for semiconductor customers to the highest temperature capabilities on the market. From stock o-rings to complex custom designs, the world’s leading companies trust Greene, Tweed for elastomeric sealing solutions.