Walmart Inc.

World's largest retailer and one of the top retail media networks in the US, competing directly with Amazon Advertising for brand advertising budgets

Walmart Inc. is the world's largest retailer by revenue, operating thousands of stores across the United States and internationally under banners including Walmart, Sam's Club, and Walmart International. Founded by Sam Walton in 1962 and headquartered in Bentonville, Arkansas, Walmart serves hundreds of millions of customers weekly through its physical stores, e-commerce platforms, and omnichannel offerings. The company is one of the most significant advertisers and advertising platforms in the world, with its retail media arm, Walmart Connect, enabling brands to reach shoppers across Walmart's owned-and-operated properties. Walmart Connect is Walmart's retail media network, providing advertisers with on-site sponsored product placements, display advertising, and off-site audience targeting powered by Walmart's first-party purchase data. The platform gives brands the ability to engage consumers at key points in the shopping journey, from discovery to purchase, with closed-loop measurement that ties ad exposure directly to in-store and online sales. Walmart Connect competes directly with Amazon Advertising and other retail media networks, and has grown rapidly as brands shift budgets toward commerce media. Beyond its retail media business, Walmart is itself one of the largest advertisers in the United States, spending heavily across television, digital, and social channels to drive store traffic and e-commerce growth. The company has also made strategic investments in technology and data infrastructure, including its acquisition of Vizio in 2024, which expanded its connected TV advertising capabilities and SmartCast OS audience reach. Walmart's scale, first-party data, and omnichannel footprint make it a central player in the evolving retail media and commerce advertising landscape.