Philip Morris S.A., based in Lausanne, is responsible for sales and marketing activities in Switzerland. PM S.A. is the number one tobacco company in Switzerland, and its product portfolio includes 5 out of the top 11 cigarette brands in the country. The city of Lausanne is also home to PMIAos worldwide Operations Center, where over 1,500 people work to support our business across the more than 180 countries where we sell our products.