<p class="ingestion featured-caption">The exterior of a recently completed grocery distribution center in Lancaster, Texas.Walmart</p><ul class="summary-list"><li><a target="_blank" href="https://www.businessinsider.com/walmart-grocery-sales-us-compared-kroger-albertsons-2024-3">Walmart is America's grocery king</a>, selling more food than the next two largest companies combined</li><li>The retailer is leaning heavily into AI to get perishable foods to store shelves even faster.</li></ul><p>Walmart is the biggest grocery store in the US, with <a target="_blank" rel href="https://www.businessinsider.com/walmart-wealthy-customers-shop-for-food-items-general-merchandise-inflation-2024-2">more shoppers getting their groceries there</a> than from any other retailer.</p><p>To keep the shelves of its 4,600 US stores well-stocked, the retailer relies on a vast network of 42 regional distribution centers that receive and sort pallets of merchandise.</p><p>On Wednesday, Walmart pulled back the curtain on one of its state-of-the-art AI-powered refrigerated warehouses designed to handle perishable goods like meat, dairy, and produce.</p><p>The company <a target="_blank" href="https://corporate.walmart.com/news/2024/07/10/walmarts-grocery-network-transformation-the-next-steps-on-our-supply-chain-modernization-journey">says</a> it has completed two all-new builds, with three more on the way, while five existing perishable distribution centers are being upgraded with the tech.</p><p>Take a look to see how it works:</p>