Marketing, promotion, and representation of companies having products in the field of architectural and building materials, home, and office improvement materials, interior decoration materials, and tools for use in conjunction therewith, such products including doors, hardware, plumbing, electrical, cabinets, appliances, fixtures, floor materials, floor coverings, wall materials, wall treatments, windows, window treatments, ceiling materials, lighting, furniture, decorative structures, raw materials, smart home devices, and entertainment systems, and instruction manuals sold together therewith