Greene Tweed is a leading global manufacturer of high-performance thermoplastics, composites, seals, and engineered components that outperform and outlast in the world’s harshest environments. For 160 years, we have served clients in semiconductor, oil and gas, aerospace, defense, chemical and pharmaceutical processing, and other industries where failure is not an option.

With over 200 engineers in labs throughout North America, Europe, and Asia, Greene Tweed delivers custom-engineered sealing solutions, connectors, and structural components that deliver certainty for client’s crucial operations. Our innovative material portfolio, comprising Chemraz®, Fusion™, Arlon®, Avalon®, AR®, WR®, Orthtek®, and Xycomp®, is engineered to withstand extreme temperatures, pressures, chemical corrosion, and mechanical wear.