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