query: In what industry is the British company Ricardo plc?
passage: Ricardo plc
Ricardo activities cover a range of market sectors including passenger car, commercial vehicle, rail, defence, motorsport, motorcycle, off-highway, marine, clean energy and power generation and government. Its client list includes transportation original equipment manufacturers, supply chain organisations, energy companies, financial institutions and government agencies.
passage: John Lewis Ricardo
Ricardo was Chairman of the North Staffordshire Railway from 1846 until his death. In 1846, he and William Fothergill Cooke founded the Electric Telegraph Company, the world's first public telegraph company, and served as chairman until its merger with the International Telegraph Company in 1856. He was also a director of London and Westminster Bank.