Dan Sten Olsson

Fastighets AB Josefina provides real estate services. The company was founded on May 15, 1979 and is headquartered in Gothenburg, Sweden.

Petro Bio AB specializes in the combustion and control engineering. It develops and supplies heavy fuel oil burners and combustion equipment. The firm’s customers include suppliers and owners of combustion plants throughout Sweden and abroad, suppliers of waste incineration plants, shipbuilders, and other industries. The company was founded in 1964 and is headquartered in Gothenburg, Sweden.

Stena Metall AB provides recycling and environmental services. It recycles and processes metals, paper, electronics, hazardous waste, and chemicals. The firm also involves in international trading in aluminum, steel, metals, and oil as well as finance operations. The company was founded by Sten Allan Olsson on November 18, 1939 and is headquartered in Gothenburg, Sweden.

Stena AB engages in the provision of investment and shipping services. It operates through the following segments: Ferry Operations, Offshore Drilling, Shipping, Property, and New Businesses. The Ferry Operations segment is managed by Stena Line, in Scandinavia, the United Kingdom, France, Germany, Latvia, Poland, the Netherlands and Ireland. The Offshore Drilling segment develops and constructs of drilling rigs and drillships. The Shipping segment comprises ownership and leasing of oil tankers and RoRo vessels. The Property segment relates to investments in residential properties and commercial properties. The New Businesses segment includes long term financial involvement and investment in operations outside Stena’s core operating areas and takes place through the business unit Stena Adactum. The company was founded on November 18, 1939 and is headquartered in Gothenburg, Sweden.

Stena Adactum AB operates as a holding company with interest in investment services. The company was founded in 2002 and is headquartered in Gothenburg, Sweden.

Stena Fastigheter AB owns and manages real estate. It leases out residential and commercial spaces in Stockholm, Göteborg, and Malmö region. The company was founded in 1952 and is headquartered in Göteborg, Sweden.

Stena Sphere engages in shipping services. Its activities are spread over several areas: ferry routes, shipping, offshore drilling, property, finance plus recycling, environmental services, and trade. The company was founded by Sten Allan Olsson on November 18, 1939 and is headquartered in Gothenburg, Sweden.

Stena Line Holding BV is a holding Dutch company that provides real estate and financing services. The company is based in Hoek van Holland, the Netherlands. Carl-Johan Wilhelm Hagman has been the CEO of the company since 2013.