Siam Technic Concrete Public Company Limited manufactures and distributes prestressed concrete products in Thailand. Its products include PC spun, square, hollow square, and i-section products, electric poles, cross arm spun, beams, stubs, planks, sheet piles, box girders, plank girders, and I girders to government and private sectors. The company also provides concrete product transportation services; installation and piling services; and construction services for housing, office buildings, factories, warehouses, and other infrastructures. The company was founded in 2001 and is headquartered in Bangkok, Thailand.