Per Aarsleff Holding A/S provides infrastructure and construction services in Denmark and internationally. It operates through the Construction, Technical Solutions, Rail, Ground Engineering, and Pipe Technologies segments. Its activities include roads, harbours, marine works, cable installation, airports, railways, mining, drinking water, geotechnical investigation, sewer systems, wastewater treatment, district heating and gas, wind and combined heat and power plants, building construction, renovation, pile foundations, and related design and engineering services. Formerly known as Per Aarsleff A/S, it changed its name to Per Aarsleff Holding A/S in April 2016, was founded in 1947, and is based in Viby J, Denmark.