Per Aarsleff AS. The Company's principal activity is civil engineering with operations being carried out through the following three divisions: Construction; Piling and Pipe Technologies. Construction includes civil engineering and general construction. Piling includes marine construction: planning and preparing of construction sites as well as civil engineering and construction projects in harbour installations. Pipe technology incorporates the development, manufacture, installation and repair of pipes. Construction accounted for 64% of fiscal 2002 revenues; pipe technologies, 23% and piling, 13%.