SAN FRANCISCO and EDEN PRAIRIE, Minn., 2017-Dec-13 — /EPR Retail News/ — Instacart, the technology-driven, nationwide on-demand grocery delivery service, and SUPERVALU INC. (NYSE: SVU), one of the largest grocery wholesalers and retailers in the U.S., has entered into an exclusive multiyear contract. Under this agreement, SUPERVALU recently launched refreshed e-commerce sites Powered by Instacart for four of…