Sy Co., Ltd. produces and sells architectural materials in South Korea, including external panel systems, rigid polyurethane foam insulators, pre-painted steel sheets, deck plates, and slim brick rail systems. It also generates electricity through solar projects and engages in architectural and construction businesses. Its product range further includes non-combustible and fireproof panels, EPS and G/W panels, PIR and aluminum composite panels, panel accessories, rigid polyurethane boards, windows, doors, PCM, printed, and VCM steel sheets, CCL facilities, modular houses, deck sheets, amorphous solar modules, structured insulated panels, ESS, inverters, and internal and external finishing materials. The company was formerly known as S.Y.Panel Co.,Ltd. and was founded in 1994. It is based in Suwon-si, South Korea.