Bulk Grape Juice & Custom Fruit & Juice Processing since 1929. Located in the Lake Erie Concord Grape Belt, Growers’ Co-op is a trusted supplier of grape and other berry juices, concentrates and purees to a variety of prominent food and beverage companies from very large to small. We also contract process wine grapes and other fruits such as blueberry, cherry, blackberry, raspberry and cranberry. We have a range of packaging and shipment options from fill your container to barrel to bulk.