Gas station with much more. Stewart’s world milk and ice cream shops at the regions family and employee owned convenience store. Food to go, beverages, ice and more. Located next to Chazy Schools.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.