Aki Ensio Markkola

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 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.