The Home Depot is an American retailer of home improvement and construction products and services. Headquartered in Vinings, just outside Atlanta, The Home Depot employs more than 355, 000 people and operates 2, 141 big-box format stores across the United States, Canada, Mexico and China. The world's second-largest Home Depot opened November 14, 2007 on the island of Guam. The Home Depot is the largest home-improvement retailer in the United States, ahead of rival Lowe's, and the second-largest general retailer in the United States, behind only Wal-Mart.

Home Depot stores are large, averaging 105, 000 sqft and organized warehouse-style, stocking a large range of supplies. The company color is a bright orange, on signs, equipment and employee aprons. Its 2006 sales totaled US$90.8 billion. Despite the 10% increase in revenue, it dropped three spots to 17th on the 2007 FORTUNE magazine's FORTUNE 500 list. The Home Depot also owns EXPO Design Center, a chain of higher-end home decorating and appliance stores. In 2006, the Home Depot acquired Hughes Supply which is to be assimilated into HD Supply serving contractors. In September 2005, Home Depot Direct launched its high-end online home-furnishings store, 10 Crescent Lane, shortly followed by the launch of Paces Trading Company, its high-end online lighting store. In mid 2006, the Home Depot acquired Home Decorators Collection which was placed as an additional brand under its Home Depot Direct Division.