Walmart’s distribution center in Riverside is the company’s refrigerated warehouse for perishables distributed to its stores throughout the California. Walmart has 52 distribution centers in the USA, but only a few have cold storage facilities. Walmart dominates the grocery trade in the USA, with more than 3,000 of its stores selling a full line of groceries. 22% of the groceries sold in the USA are sold at a Walmart or one of its club stores. This is more than its top three competitors (Kroger, Safeway, and Supervalu) combined. 15% of the perishable foods sold in the USA are from a Walmart or one of its club stores.