Diploma Plc engages in the supplying of technical products and services. The company operates in three business segments: Life Sciences, Seals and Controls. The Life Sciences segment provides consumables, instrumentation and related services to the healthcare and environmental industries. The Seals segment supplies hydraulic seals, gaskets, cylinders, components and kits for heavy mobile machinery and industrial equipment. The Controls segment supplies wiring, connectors, fasteners and control devices for technically demanding applications. Diploma was founded in 1931 and is headquartered in London, the United Kingdom.