Walmart - Walmart is the largest grocery retailer in the world, operating thousands of stores globally.
Costco Wholesale - Costco is a membership-based warehouse club that offers a wide range of groceries and other products.
Kroger - Kroger is one of the largest supermarket chains in the United States, operating over 2,700 stores.
Tesco - Tesco is a multinational grocery and general merchandise retailer with stores in several countries, including the United Kingdom and Asia.
Carrefour - Carrefour is a French multinational retail corporation with a significant presence in the grocery sector worldwide.
Aldi - Aldi is a discount supermarket chain operating in numerous countries, known for its no-frills approach and affordable prices.
Lidl - Lidl is another discount supermarket chain, based in Germany, with stores in various countries across Europe and the United States.
Ahold Delhaize - Ahold Delhaize is a Dutch-Belgian multinational retail company that operates several supermarket brands globally, including Albert Heijn and Delhaize.
Edeka - Edeka is a German supermarket corporation, considered one of the largest grocery retailers in Germany and Europe.