Erkki Juhani Kupari

Mitta AB offers planning, research, measurement, expertise, and mapping activities. Its services include surveying, drilling, geolaboratory, environment, and energy. The company was founded in 1989 and is headquartered in Motala, Sweden.

Mitta Oy provides civil engineering services. It offers surveying, drilling, laboratory, and equipment rental services as well as water research and survey solutions. The company was founded in 1989 and is headquartered in Oulu, Finland.

Halikko Group Oy is a holding company that operates through its subsidiaries, which manufactures welded, cold worked, and heat treated steel products. Its core products are the cistern gables, half-spherical tanks, and side plate to spherical tanks. It designs and manufactures steel products for steel and construction, pulp and paper, offshore and marine, energy, and mechanical industries. The firm provides dished and flanged ends, cones, hemispherical ends, segmental plates for spherical tanks, standard forms, dished discs, industrial piping components and prefabrications, lime sludge reburning kilns, and debarking drums. The company was founded on May 30, 2008 and is headquartered in Halikko, Finland.

Wise Group Finland Oy provides consultancy, design and construction contracting services for construction and renovation projects. It engages in a building industry services that develop concepts in which the construction contracting and design service process is streamlined. In addition, the firm develops solutions and methods for renovation and in developing and applying energy and environmental solutions in design. The company was founded in 2010 and is headquartered in Kotka, Finland.

Finnritilä Oy manufactures and markets grating products. It offers gratings, profile planks, glass-reinforced plastic systems, and staircases. The company also provides steel processing and galvanizing services. Finnritilä was founded by Jari-Pekka Kristian Bär in 1979 and is headquartered in Iisalmi, Finland.