Neighborhood convenience store with many walk-in customers. Stewart’s awarding winning dairy products and ice cream shops at the regions family and employee owned grocery shop. Propane.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.