Tarmac, a CRH company, is the UK's leading sustainable building materials and construction solutions business. Tarmac combines the knowledge and expertise of two of the construction industry's most iconic brands: Tarmac, the pioneers of the modern asphalt road 120 years ago, and Blue Circle, the company that patented Portland Cement.      Our innovative products and solutions not only safely deliver the infrastructure needed to grow the UK economy today but also help to create a more sustainable built environment for the country's long-term future. Tarmac has an ambitious target to reduce CO₂ emissions by 30% by 2030 and reach net zero before 2050. We have contributed to some of the UK's biggest construction and infrastructure projects. These include HS2, The Sainsbury Laboratory, Wembley Stadium, Heathrow Terminal 5, Blackpool Sea Defences, The Shard and London 2012.    Tarmac directly employs around 5,500 people across a nationwide network of over 350 sites. Our solutions span aggregates, asphalt, cement, readymix concrete, offsite manufacture, road contracting, highways maintenance and infrastructure services, building products and recycling services. This unique combination of people, technology and assets enables us to offer customers unrivalled choice, innovation and flexibility.    For more information, visit: www.tarmac.com    Active hours: Monday - Friday, 09:00-17:00, working days.