Tarmac Holdings Limited (Tarmac) is a UK-based building materials and construction solutions company. It produces and supplies aggregates, asphalt, cement, lime, ready-mixed concrete, and related building products, and delivers road surfacing and highway maintenance services.
The company serves infrastructure, transport, industrial, commercial, and residential markets across the UK through a nationwide network of quarries, cement and lime plants, asphalt and concrete facilities, wharves, and recycling operations. Tarmac operates as part of CRH plc.