Stena is one of the largest family-owned business groups in Sweden and operates worldwide.
The Stena Sphere is comprised of three parent companies: Stena AB, Stena Sessan AB and Stena Metall AB. All these are wholly owned by the Sten A. Olsson family.
The Stena Sphere is divided into seven areas of acitivity:
The partly owned company Concordia Maritime AB is listed on the Stockholm Stock Exchange.