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United Natural Foods Inc is a wholesale distributor of natural, organic, and specialty foods and nonfood products across the United States and Canada. The company's products consist of national, regional, and private label brands grouped into grocery and general merchandise, produce, perishables and frozen foods, nutritional supplements and sports nutrition, bulk and foodservice products, and personal care items. United Natural Foods serves various retail formats including conventional supermarket chains, natural product superstores, independent retail operators and foodservice channels such as e-commerce platforms. The company's reportable segments are: Natural (its maximum revenue-generating segment), Retail, and Conventional.

Since its founding in 1962, Walmart has become the world's largest retailer, operating over 10,700 stores globally (including 4,600 namesake locations on its home turf and another 600 Sam's Club outlets) and growing its e-commerce presence, attracting 270 million customers weekly. In aggregate, the firm posted more than $713 billion in fiscal 2026 sales. Its core operations span three reporting segments: Walmart US (68% of fiscal 2026 sales), Walmart International (19%), and Sam's Club (13%).Within the US, nearly 60% of its $486 billion in fiscal 2026 revenue came from its grocery offerings, with another quarter from general merchandise. Internationally, Walmart's operations are concentrated in Mexico, though it also has budding exposure to India.