The Home Depot Inc. is home improvement specialty retailer with retail stores across the globe. It offers a diverse range of branded and proprietary home improvement items, building materials, lawn and garden products, decor products and related services. The company operates throughout the United States, Canada and Mexico. It also functions through a network of distribution and fulfillment centers, as well as a number of e-commerce websites. The company typically serves three primary customer groups: Do-It-Yourself, Do-It-For-Me, Professional Customers. DIY Customers: These customers are usually homeowners, who prefer purchasing products and completing installations on their own. DIFM Customers: These customers are usually homeowners, who purchase products on their own and employ third-parties to complete the projects and installations. Professional Customers: This customer segment mostly comprises professional remodelers, general contractors, repairmen, small business owners, and tradesmen.