Siam City Cement PCL is a Thailand-based company that produces cement-based building materials, wood replacement products, and lightweight concrete blocks through its subsidiaries. The company is composed of five segments: Cement, Concrete & Aggregates, Light Building Materials, Trading, and Others. Cement is the company’s largest and most profitable segment, accounting for more than half of its revenue. It sells various cement types, namely Portland, Hydraulic, Mixed, and Masonry, that serve various building, bricklaying, and plastering purposes. The Trading segment, established in 2017, exports cement products and imports mineral components and solid fuel. The company's largest customers by total revenue are located in Thailand.