Customers Have the Ability to Shop for Manufacturer Coupon Offers at GiantFoodStores.com Grocery Shopping Network announced today that manufacturer coupons supplied by partner Coupons, Inc. are now available on-line for GIANT Food Stores customers. By registering at GiantFoodStores.com, customers can browse a coupons page and easily add coupon items to their shopping list. Manufacturer coupons [...]