The medusa ransomware group listed Bentham & Holroyd Ltd on its data leak site on 2023-04-24. Sector: Manufacturing Claim as published on the leak site: Bentham & Holroyd Ltd is an engineering firm founded in 1830, subcontracted, based in Bradford, West Yorkshire, specializing in the production of precision components for the oil and gas industry, as well as offering a variety of services in CNC turning and manual turning, CNC milling, waterjet cutting and welding.