#20. Home Depot Inc (HD) — 426.3 BILLION

The Home Depot, Inc. is a home improvement retailer. Co. offers a wide assortment of building materials, home improvement products, lawn and garden products, decor products, and facilities maintenance, repair, and operations products. It also provides various services, including home improvement installation services and tool and equipment rental. Co. operates approximately 2,335 stores located throughout the U.S. including the Commonwealth of Puerto Rico and the territories of the U.S. Virgin Islands and Guam, Canada, and Mexico. The Home Depot stores average approximately 104,000 square feet of enclosed space, with approximately 24,000 additional square feet of outside garden area.