BJC Heavy Industries Public Company Limited manufactures and sells fabricated steel and equipment and provides modularization services in Thailand and internationally. It fabricates steel into various steel structures by cutting, bending, welding, and assembling structural steel, steel pipes, and components based on client design and specifications; executes large-scale modularization projects; builds steel structures for mines, power plants, and industrial plants; and manufactures a range of precast concrete products, including core loc breakwater, port construction materials, railway sleepers, pre-stressed concrete panels, and large files for use in the construction of harbors, bridges, and railways. The company also provides built-up beams, as well as grating, galvanizing, and post-weld heat treatment services. It serves oil and gas, mining, petrochemical, refining, power, and other industries. The company was incorporated in 1994 and is headquartered in Rayong, Thailand.