Cahya Mata Sarawak Bhd. is an investment holding company, which engages in the manufacturing and trading of cement and construction materials, construction, road maintenance, township, and property and infrastructure development. It operates through the following segments: Cement, Oiltools, Road Maintenance, Property Development, Construction Materials, and Trading, and Phosphates. The Cement segment includes the manufacturing of clinkers and concrete products. The Road Maintenance segment focuses on road construction and maintenance. The Property Development segment offers property holding, project management, lodges accommodation, and hotel operations. The Construction Materials, and Trading segment refers to the quarry operations, production, and sale of premix, wires, and general trading. The Phosphate segment engages in manufacturing of food, feed, and fertilizer phosphate products. The company was founded on October 8, 1974 and is headquartered in Kuching, Malaysia.