Philip Morris Companies Inc. is a multinational corporation known primarily for its production and marketing of tobacco products. Founded in 1847, the company has grown to become one of the largest tobacco firms in the world, with well-known brands such as Marlboro and Virginia Slims. In recent years, Philip Morris has shifted its focus towards reducing the health impacts of smoking. The company is investing in alternatives to traditional cigarettes, including e-cigarettes and heated tobacco products, as part of its strategy to create a smoke-free future.