Aluminum alloys; small items of metal hardware, namely, nuts, screws, bolts, washers, springs; pipes and tubes of metal; building window walls for commercial and industrial buildings and made primarily of metal, namely, wall panels of metal featuring openings for windows and wall panel locking fasteners; aluminum building components for commercial and industrial buildings, namely, doors and frames, vestibule wall panels and entrance wall panels, wall facing panels and curtain walls, windows, sun control louvers for guiding light, metal building materials for commercial and industrial buildings, namely, aluminum soffit, fascia, doors, siding, shutters, windows, trim, architectural columns, railings, and grilles in the nature of railings, awnings

Components for land vehicles, namely, structural parts for automobiles and trucks; components for aircraft, namely, structural parts for aircraft

Non-metal building materials, namely, non-metal door hardware in the nature of fasteners, latches, fittings, bolts, and handles

Metal treatment services, namely, pretreatment of aluminum used in manufacturing; pretreatment of aluminum automotive and aerospace components prior to their assembly or joining to enhance bonding ability; technical consultation for others in the fields of manufacturing metal components used in aerospace manufacturing and manufacturing of metal building components for others

Technical design of metal components and aerospace devices and components for others; engineering services for others in the fields of metal production and aerospace industry manufacturing