Reinertsen is a civil engineering, construction, and petroleum industry supply company based in Trondheim, Norway.
[1] It was established in 1946 and remains family-owned.
Its CEO is Erik Reinertsen and chairman is Torkil R. Reinertsen.
In 2011, Reinertsen had a revenue of €400 million and 2,100 employees.
It has offices in Trondheim, Orkanger, Oslo, Bergen, Gothenburg, Stockholm, Murmansk (Russia) and Szczecin (Poland).