Rowntree's
 Rowntree was an English confectionery business based in York. Rowntree developed the Kit Kat Smarties and Aero brands in the 1930s and acquired the Rolo and Quality Street brands when it acquired John Mackintosh & Co in 1969.Founded in 1862 the company developed strong associations with Quaker philanthropy. Throughout much of the nineteenth and twentieth centuries it was one of the big three confectionery manufacturers in the United Kingdom alongside Cadbury and Fry.