United Shipbuilding Corporation
Arctech Helsinki Shipyard was established as a joint venture between STX Finland, a subsidiary of STX Europe, and the Russian state-owned United Shipbuilding Corporation (USC). The new shipbuilding company started its operations at the Hietalahti shipyard on 1 April 2011. On 28 October 2013, it was reported that USC was going to buy the remaining shares from STX Europe and become the sole owner of the company. The sale was finalized on 30 December 2014 and the United Shipbuilding Corporation has been the sole owner of Arctech Helsinki Shipyard since the beginning of 2015.