James Fisher & Sons Plc engages in the provision of marine services. It operates through the following segments: Marine Support, Specialist Technical, Offshore Oil, Tankships, and Corporate. The Marine Support segment provides products, services, and solutions to the global marine industry. The Specialist Technical segment supplies diving equipment and services, submarine rescue products and support services, and engineering solutions to the nuclear decommissioning market. The Offshore Oil segment includes the design and engineering of specialist equipment, platform maintenance and modification, well testing support, subsea operations, and maintenance services. The Tankships segment operates fleet of product tankers carrying petrol, diesel, and kerosene. The company was founded by James Fisher in 1847 and is headquartered in Barrow-in-Furness, the United Kingdom.