Diploma PLC, together with its subsidiaries, supplies specialized technical products and services in North America, Europe, and internationally. It operates through three business sectors: Life Sciences, Seals, and Controls. The Life Sciences sector supplies consumables and instruments for the diagnostic testing of blood, tissue, and other samples in hospital pathology and life sciences laboratories; electrosurgery and minimally invasive surgery equipment and consumables for use in hospital operating rooms; and surgical medical devices, and related consumables and services to GI endoscopy suites in hospitals and private clinics. It also provides containment enclosures for potent powder handling; and equipment and services for the monitoring and control of environmental emissions, as well as a range of gas detection devices. The Seals sector supplies a range of seals, gaskets, filters, cylinders, components, and kits used in heavy mobile machinery and specialized industrial equipment; and sealing products, and custom moulded and machined parts to manufacturers of specialized industrial equipment. The Controls sector offers electrical wiring, protective sleeving, connectors and harnessing products, aerospace-quality fasteners, seals, customized assemblies, kits, and cable accessories for technical applications in aerospace, defense, motorsport, energy, medical, rail, and industrial industries; flexible braided products for screening, earthing and lightning protection, power shunt connectors, multi-core cables, cable markers, sleeving and trunking, and specialty fasteners; and fluid controllers, compressors, valves, temperature and pressure measurement devices, and specialized vending and liquid dispensing components for food retailing and transportation, catering equipment, vending machines, coffee brewing, pure water, and water cooling systems in the food and beverage industry. Diploma PLC was incorporated in 1931 and is based in London, the United Kingdom.