Nick Mason

Alun Griffiths (Contractors) Ltd. engages in civil engineering and construction contractors services. It operates through the following sectors: highways and bridges, rail, utilities and energy, surfacing, integrated transport, urban regeneration, highway maintenance, and water management. The company was founded in 1968 and is headquartered in Abergavenny, the United Kingdom.

Purple Alpha Ltd. provides commercial building and civil engineering construction. The private company is based in Abergavenny, UK.

Part of PLC Nominees (Pty) Ltd., National Road Planing Ltd. is a British company that provides asphalt contracting services. The company is based in Solihull, UK.

Part of CRH Plc, J B Riney & Co. Ltd. is a British company that provides civil engineering services. The company is based in London, UK. The company was founded in 1978 by Brendan Riney. J B Riney & Co. was acquired by Tarmac Trading Ltd. on May 17, 2017.

Part of CRH Plc, Wales & Border Counties Plant Hire Ltd. is a British company that leases construction and civil engineering equipment. The company is based in Abergavenny, UK and was founded in 1979.