The Home Depot, Inc., together with its subsidiaries, operates as a home improvement retailer. The companyâ€™s stores sell a range of building materials, home improvement products, and lawn and garden products to do-it-yourself, do-it-for-me (D-I-F-M), and professional customers. It also offers installation services to D-I-F-M customers. These installation programs include products, such as carpeting, flooring, cabinets, countertops, and water heaters. In addition, the company provides professional installation of various products, such as generators, and furnace and central air systems that are sold through its in-home sales programs. As of December 31, 2009, it had 2,244 The Home Depot stores located throughout the United States, including the Commonwealth of Puerto Rico and the territories of the U.S. Virgin Islands and Guam; Canada; China; and Mexico. The Home Depot, Inc. was founded in 1978 and is based in Atlanta, Georgia.