MINNEAPOLIS, 2016-Jul-06 — /EPR Retail News/ — SUPERVALU INC. (NYSE: SVU) today announced it has entered into a long-term supply agreement with Indiana-based Marsh Supermarkets to serve as its primary grocery wholesaler and to provide certain professional services to the grocery chain. Founded in 1931 and headquartered in Indianapolis, Indiana, Marsh operates approximately 70 Marsh Supermarkets…