Schwan's Home Service was founded by Marwin Schwan in 1952. It is one of the largest direct-to-home food delivery providers in the United States. Schwan's Home Service markets and distributes more than 400 products under the Schwan's and Impromptu Gourmet brands. The business has nearly 500 sales and distribution centers located throughout the U.S., with more than 6,700 propane and diesel-powered delivery vehicles. Its products include beef, pork, entrees, vegetables, breads, sandwiches, pizzas, appetizers and sauces. In addition, Schwan's Home Service serves novelties, ice cream, desserts and beverages. It is a flagship unit of Schwan Food Company, which is a multibillion-dollar privately owned company with more than 22,000 employees around the world.