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Riley (brand), British sporting goods brand founded in 1878 •
Riley Motor, British motorcar and bicycle manufacturer 1890–1969 •
Riley Technologies, American auto racing constructor and team, founded by Bob Riley in 2001 •
Riley & Scott, former American racing constructor and racing team founded by Bob Riley and Mark Scott in 1990 •
Riley & Son, a British railway locomotive engineering and refurbishment company ==People and fictional characters==