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