United Shipbuilding Corporation

JSC United Shipbuilding Corporation (USC; Russian: Объединённая судостроительная корпорация, ОСК) is an open joint stock company in Russia which unites shipbuilding, repair and maintenance subsidiaries in western and northern Russia, and in the country's Far East, to streamline civilian shipbuilding using military facilities.

As of 2021, the corporation constructed up to 80% of ships in Russia.