Tyman Plc operates as a supplier of building components to the door and window industry. The company operates through three segments: AmesburyTruth, ERA and SchlegelGiesse International. The AmesburyTruth segment manufactures windows and door hardware component, extrusions and sealing systems. The ERA segment designs, develops, manufactures and distributes solutions for the residential building and home improvement markets. It provides mechanical security hardware, decorative hardware, weather seals and electronic security systems including wireless alarms, CCTV and video. The SchlegelGiesse segment's products are sold for residential and commercial applications under brands Schlegel and Giesse. Its products and solutions range include weatherproof seals, compact balances and reinforcers, full suite of window and door hardware, including high security locks and electronic access controls. Tyman was founded on April 1, 1993 and is headquartered in London, the United Kingdom.