Whitemountain, part of the Lagan Group, is a leading Contracting and Materials Business operating throughout the UK and Ireland, specialising in Civil Engineering, Highway Maintenance, Airfield Construction, Aggregate Production, Bitumen Importation & Distribution, Waste Management and Green Energy We are a reliable exporter of superior quality aggregates and surfacing products to major UK and European–based contractors and our civil engineering and airfield expertise is gaining increased exposure in these markets.