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WeldOne

Steel fabrication, machinery manufacturing and installation for industrial, marine and public-sector clients in Finland

Kalajoki, FinlandFounded 2007weldone.fiWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-31

About WeldOne

WeldOne Oy is a machine shop in Kalajoki, Finland, that fabricates load-bearing steel structures, machinery and equipment, and provides installation and maintenance services. Its offering covers contract manufacturing and subcontracting, plate work, welding, pipework and wear-resistant special products, built to the client's drawings or its own design.

Customers include steel and chemical industry companies, mining operators, construction companies, SSAB, ELY Centres and Ruukki Construction, as well as clients in the maritime and public sectors. The company operates at client work sites across the Nordic countries and sells its fabrication, installation and maintenance services on a project basis.

Founded in 2007, WeldOne has about 20 employees and 2,200 m² of production space with its own wet painting shop. It holds EN 1090 EXC3 certification for load-bearing steel structures and works under ISO 9001, 14001 and 18001 documented systems. In August 2026 it joined the Fergo Group, whose parent company is Fergo Oy, owned by Andament Oy.

Product: Contract manufacturing and subcontracting of machines and steel structures, plus installation, maintenance and machining services.

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