This maple-leaf firm turns tobacco leaves into green. Canada's largest cigarette maker, Imperial Tobacco Canada makes cigarettes, loose-leaf tobacco, and other tobacco-related products, including filter papers and tubes. It also operates marketing and event-planning subsidiaries. The company's brand names include du MAURIER, Player's, John Player, JPS, Matin�e, Peter Jackson, Sweet Caporal, Embassy, Hi-Dro, and others. Amid slumping sales, Imperial Tobacco in 2005 shuttered the last of its Canadian-based cigarette-making plants. Imperial Tobacco Canada was established in 1908 and is a subsidiary of British American Tobacco, one of the world's largest cigarette companies.