Home Depot is the fastest-growing retailer in the U.S., so it's no surprise to find one of its large, orange-roofed warehouse buildings in the city of Orange. The store seeks to provide everything that might be needed for home improvement projects, and its success is evident when one enters the store. Store employees are rigorously trained and knowledgeable about the different facets of the home improvement process, and they create a relationship with the customer instead of simply making a transaction. Home Depot also offers free weekend classes in home improvement.