Tway Holdings Incorporation (004870.KS), founded in 1945 and headquartered in Seoul, South Korea, primarily manufactures and distributes construction materials including ready-mixed concrete, pre-stressed high strength concrete (PHC) piles, aggregates, and brick blocks; it also produces in-flight meals, in-flight and travel goods, and provides aviation-related consignment and agency services as well as provincial retail operations. The company operates predominantly in the South Korean market, serving construction, aviation, and retail sectors with a focus on building products for infrastructure projects such as high-speed railroads and housing. In June 2025, Sono International Co., Ltd. completed the acquisition of a 46.26% controlling stake from YeaRimDang Publishing Co., Ltd. and other shareholders for KRW 250 billion, marking a significant ownership change that strengthens its position in diversified operations including potential aviation expansions via affiliates like T'way Air.