Cahya Mata Sarawak Berhad, an investment holding company, engages in the manufacture and trading of cement and construction materials in Malaysia and internationally. The company operates through Cement, Property Development, Oiltools, Phosphate, Road Maintenance, Environmental Technology, and Diversified strategic Business Units segments. It is involved in manufacturing clinker, cement, ready mix, and precast concrete; quarrying, premix manufacturing, trading and logistics, supplies aggregates, asphalt premix, wire mesh, and other related materials; and development of feedstock for industrial and agricultural applications. The company also provides drilling fluids and drilling waste management services to the upstream oil and gas sector; and road construction, maintenance and rehabilitation services covering large scale infrastructure works, design and build, project management, and execution, as well as long-term maintenance under concession. In addition, it engages in material innovation, product development, laboratory research, and intellectual property management. The company was incorporated in 1974 and is headquartered in Kuching, Malaysia.