Walmart Inc. engages in the operation of retail, wholesale, other units, and eCommerce worldwide. The company operates through three segments: Walmart U.S., Walmart International, and Sam's Club.

Dollar Tree, Inc. operates discount variety retail stores. It operates in two segments, Dollar Tree and Family Dollar. The Dollar Tree segment offers merchandise at the fixed price of $ 1.25.

BJ's Wholesale Club Holdings, Inc., together with its subsidiaries, operates warehouse clubs on the east coast of the United States. It provides perishable, general merchandise, gasoline, and other ancillary services.

Target Corporation operates as a general merchandise retailer in the United States. The company offers food assortments, including perishables, dry grocery, dairy, and frozen items; apparel, accessories, home décor products, electronics, toys, seasonal offerings, food, and other merchandise; and beauty and household essentials.

Dollar General Corporation, a discount retailer, provides various merchandise products in the southern, southwestern, Midwestern, and eastern United States. It offers consumable products, including paper and cleaning products, such as paper towels, bath tissues, paper dinnerware, trash and storage bags, disinfectants, and laundry products; packaged food comprising cereals, pasta, canned soups, fruits and vegetables, condiments, spices, sugar, and flour; and perishables that include milk, eggs, bread, refrigerated and frozen food, beer, and wine.