Tarmac Holdings Limited (Tarmac) is a UK-based supplier of construction materials and contracting services, and a subsidiary of CRH plc. The company produces and distributes aggregates, asphalt, cement, lime, and ready-mixed concrete, along with related building products for the construction and infrastructure sectors.
Tarmac operates a nationwide network of quarries, cement and lime plants, asphalt and concrete facilities, and logistics terminals across the UK. Its activities span raw material extraction, clinker and cement manufacturing, lime calcination, asphalt mixing, concrete batching, recycled materials processing, and road surfacing and maintenance. Headquartered in Solihull, England, the company serves infrastructure, commercial, industrial, and residential markets and implements programs aimed at operational efficiency and environmental performance across its sites.