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Kemijoki Oy generates hydroelectric power. The company also provides maintenance, wind power, channel mapping and dam safety services. It owns twenty hydropower plants, sixteen which are located on the river Kemijoki watercourse, two on the Lieksanjoki river and two on the Kymijoki river. Kemijoki was founded in 1954 and is headquartered in Rovaniemi, Finland.

Destia Rail Oy provides railway construction and maintenance services. Its services include geometric planning, surveying, track material procurement, superstructure and substructure work, tunnel repairs, as well as railway network condition inspections, track maintenance work, changing sleepers and rails, tamping work, servicing of track equipment, and snow-clearing work. The company was founded in 1976 and is headquartered in Vantaa, Finland.

Destia Oy engages in the provision of infrastructure and construction services. It offers road construction, foundation and field engineering, engineer construction, rock construction, energy infrastructure, railways, maintenance, aggregates, design, and road network surveys. The company was founded on February 14, 2007 and is headquartered in Vantaa, Finland.

Part of Airbus SE, Airbus Defence & Space Oy is a Finnish company that provides solutions to Finland, including the tactical transport aircraft C295, Virve network and Virve phones, and the PV's MST system. The company is based in Helsinki, Finland. Tactilon Dabat is the world's first hybrid device that is both a smartphone and a Tetra radio. Airbus Defence & Space is the result of an M & A transaction between Airbus SE and Nokia Oyj/Professional Mobile Radio Unit/ as of September 05, 2005.

Wärtsilä Finland Oy provides power generation solutions for marine and energy markets. It supplies engines, generating sets, reduction gears, propulsion equipment, control systems, and sealing solutions for all types of vessels and offshore applications. The company also offers power plant solutions based on oil, gas and dual-fuel engines, as well as bio-mass-fuelled heat and power plants. Wärtsilä Finland was founded on November 29, 1989 and is headquartered in Vaasa, Finland.