First In Service OÜ

First In Service OÜ is an Estonian industrial company providing integrated solutions in the production of heavy steel structures, welded equipment, and large-scale machined components. The company’s strength lies in executing complex projects — from material supply and engineering support to final manufacturing, inspection, and logistics.
First In Service serves OEMs, EPC companies, and heavy industry clients in sectors such as energy, marine, offshore, pulp and paper, and process industries, delivering high-quality manufacturing in stainless steel, duplex, and special alloy steels.