The Siam Cement Public Company Limited, together with its subsidiaries, engages in the cement and building materials, chemicals, and packaging businesses in Thailand, Vietnam, Indonesia, China, and internationally.

The company operates through Cement-Building Materials Business, Chemicals Business, Packaging Business, and Other segments.

The Cement-Building Materials Business segment manufactures and distributes grey cement, ready-mixed concrete, white cement, dry mortar, roof tiles, ceiling and wall boards, wood substitutes, concrete paving blocks, ceramic tiles, and sanitary wares and fittings.

This segment also distributes cement, building, and decorative products for home and residence through omni channel; and offers logistics, delivery, and import and export services.

The Chemicals Business segment manufactures and sells olefins, polyolefins, and vinyl and other chemical products.

The Packaging Business segment provides fiber-based, paper and performance, and polymer packaging products; foodservice products; and pulp and paper products comprising primarily printing and writing paper and pulp.

The Other segment invests primarily in agricultural machines, automotive parts and components, steel, clean energy business, and other technologies, as well as automation system integration business and other services.

The Siam Cement Public Company Limited was founded in 1913 and is headquartered in Bangkok, Thailand.