Founded by brothers Osmo and Teuvo Karvonen in 1989, the company undertakes new construction, renovation, repairs and industrial maintenance. Work covers commercial premises, industrial halls, extensions, groundworks and foundations. Renovations include major repairs, alterations and roof work.
Services also include shot blasting for concrete, asphalt and steel, sand blasting for tanks and steel beams, and boiler cleaning. Customers include public bodies, municipalities, cooperatives and industrial companies in North Karelia. Industrial projects have included power plant renovations and heat pump foundations.
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