在美国

Amazon is the largest e-commerce company in the United States and rapidly increasing its activities in (online) food retail.

Costco Wholesale Corporation is the largest American membership-only warehouse club. In 2015, Costco was the second largest retailer in the world after Walmart.

The Kroger Company is the largest Supermarket chain in the United States, and the second largest retailer (behind Walmart)

Minneapolis-based Target Corporation is a retailer operating 1797 stores in the United States.

Trader Joe's is an American chain of grocery stores focused on offering a limited number of products - mostly private label products - at low prices

Wal-Mart Stores, Inc. is an American public corporation that runs a chain of large, discount department stores.

Whole Foods Market owns and operates a chain of natural food supermarkets in the United States, Canada and the United Kingdom.