Per Aarsleff A/S is a company deals in infrastructure, roads and traffic facilities, harbours and marine construction, cables, airport facilities, railways, mining, drinking water, geotechnical site investigations, sewer systems, reservoirs, coastal protection, sewerage systems, reservoirs, wastewater treatment plants, soil deposits, urban green spaces, waste management, wind, combined heat and power plants, district heating, gas, construction pits, ground engineering, retaining walls, ground anchors, shell structures, sewer renewal, groundwater lowering, site development, technical contracts, sports fields, downpipes, ventilation channels, cctv inspection, service and maintenance, framework agreements, partnering, design & engineering.