Smiths Group plc (LSE: SMIN) is a British multinational diversified engineering business headquartered in London, United Kingdom. It has operations in over 50 countries and employs around 23,550 staff. Smiths Group has five divisions. Smiths Detection is the worlds largest manufacturer of sensors for the detection of explosives, weapons, chemical agents, biohazards, narcotics and contraband. John Crane is a manufacturer of seals and associated products for the process industries. Smiths Medical is a manufacturer and supplier of specialty medical devices and equipment. Smiths Interconnect is a manufacturer of electronic and radio frequency components. Flex-Tek is a supplier of components to heat and move fluids and gases. Smiths Group is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.