Erik Jörgen Andersson

Challenger Acquisitions Ltd. is a holding company specializes in design and engineering of giant observation wheels and structures. It operates through the following segments: Corporate Center, Engineering, and Investment. The Corporate Center segment administers and manages the Group and identifies target companies or businesses for possible acquisitions in the Giant Observation Wheel industry. The Engineering segment which was compromised by the acquired Starneth design and engineering business. The Investment segment which compromises all investments the group holds in Giant Observation Wheels globally. The company was founded on November 24, 2014 and is headquartered in Saint Peter Port, United Kingdom.

Vattenfall AB engages in the generation, distribution, and sale of heat and electricity. It operates through the following segments: Heat, Customers and Solutions, Wind, Power Generation, and Distribution. The company was founded in 1909 and is headquartered in Solna, Sweden.

E.ON Sverige AB trades and distributes energy and provides energy-related services. It offers electricity, renewable energy, gas, heating, cooling, and waste treatment. The company is headquartered in Malmo, Sweden.

KMW Energi AB supplies hot water, power and cogeneration plants fired by biofuels. It designs, manufactures and build customized solutions and is responsible for the entire combustion process. The company was founded in 1958 and is headquartered in Norrtälje, Sweden.

NetWork Biogas AB produces and distributes bio-ethanol. It utilizes the animal feed produced as a by-product of ethanol production to produce biogas. The company's biogas will be used as bio fuel for vehicle use and also be used to produce green energy. The company was founded in 2006 and is headquartered in Karlshamn, Sweden.

EcoEnergy Scandinavia AB develops, designs, and operates waste-to-energy and biofuel based combined heat and power plants. The firm manages district heating movements, conducts development work in the field of biomedical engineering, construction activities, and consultations in the field of energy technology. The company is headquartered in Danderyd, Sweden.

Part of Håkan Isaksson Holding AB, Nordisk Bevakningstjänst AB (New) is a company based in Bromma, Sweden that provides security services.

Nobina AB engages in the provision of scheduled bus services and special transportation under contract to public transport authorities. It operates through the following segments: Sweden, Denmark, Norway, Finland, Nobina Care, and Others. The company was founded in 1999 and is headquartered in Solna, Sweden.

KMW Renewable AB engages in the provision of energy related services. It designs and builds customized heat and electricity producing facilities for a wide array of forestry and agricultural fuels. The company was founded on March 15, 2012 and is headquartered in Danderyd, Sweden.