Tongyang 

Headquartered in Seoul, South Korea, Tongyang Inc. was established in 1955, operating as Tongyang Major Corporation until its rebranding in March 2011. The company's core business involves the manufacturing and supply of ready-mixed concrete. Beyond this, Tongyang produces and distributes construction aggregates and acts as a distributor for a wide array of other building materials, including steel reinforcement, thermal insulation products, tiles, sanitary fixtures, and plasterboards. The firm boasts extensive involvement in various construction sectors. This includes developing residential properties such as apartments, luxury homes, and townhouses, as well as undertaking significant civil engineering projects like roads, harbors, and essential public infrastructure. Its capabilities also extend to constructing commercial buildings, shopping complexes, and offering remodeling and renovation services for both commercial real estate and residential units. Moreover, Tongyang Inc. provides end-to-end solutions for industrial plants, covering the design, equipment procurement, construction, and ongoing operation of facilities including cement, power, ironworks, and chemical plants.