United Natural Foods

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As the largest publicly traded wholesale distributor of health and specialty food in the U.S. and Canada, the company acts as Whole Foods' main supplier. United Natural Foods (UNFI) has been focused on diversifying revenue streams—Whole Foods made up 18% of UNFI's revenue in 2020—and recently launched Community Marketplace, an online platform connecting retailers with smaller suppliers who aren’t stocked in UNFI’s own warehouses.