Storm Windows & Doors (Wholesale) is a subdivision of the Lumber, Plywood, Millwork, and Wood Panels (Wholesale) industry. This industry involves the wholesale distribution of storm windows and doors, which are designed to protect homes and buildings from harsh weather conditions such as hurricanes, tornadoes, and heavy rain. Storm windows and doors are typically made of durable materials such as aluminum, vinyl, or fiberglass, and are available in a variety of styles and sizes to fit different types of windows and doors. Wholesale distributors in this industry work with manufacturers to source storm windows and doors, and then sell them to retailers, contractors, and other businesses. They may also provide installation services or work with contractors to ensure that the products are installed correctly.