Gas station and convenience store. World famous Stewart’s milk and ice cream parlors include coffee products, fast food to go and beverages. Family and employee owned. Stewart's Shops is a family owned chain of convenience stores located primarily in eastern Upstate New York and southwestern Vermont. The chain of convenience stores sell more than 3,000 products, including dairy items, groceries, food to go (soup, sandwiches, hot entrees), beer, coffee, gasoline, and, of course, ice cream. Stewart's Shops, formerly known as Stewart's Ice Cream Company, was established in 1945.