Question: what are the largest grocery stores in america?
Answer: Walmart* Home: United States. U.S. brands: Walmart, Sam's Club. ... 
Kroger. Home: United States. U.S. brands: Kroger, Dillons, Smith's, Scott's Food & Pharmacy, Harris Teeter. ... 
Costco* Home: United States. U.S. brands: Costco. ... 
Publix. Home: United States. ... 
Ahold. Home: Netherlands. ... 
aj, Home: Belgium. ... 
Supervalu. Home: United States.