PROTEK

Metallic Construction Building Materials, Namely, Siding, Window Sashes, Windows, Door Casings, Doors, Bay Windows, [Ceiling panels,] Curtain Walls,[ Fences, Gates,] Door Handles, Door locks,[ Roofing panels, Gratings,] Hinges, Shutters, Window Locks, Window frames, [Railings,] and Prefabricated Buildings