Alloys of common metal; Brackets of metal for building; Drywall corner bead of metal; Floor boards of metal; Frames of metal for building; Gutters of metal; Hinges of metal; Roof coverings of metal; Roofing tiles of metal; Weather vanes of metal; Window fasteners of metal; Windows of metal; Building panels of metal; Building materials, namely, composite panels composed primarily of metal; Common metals and their alloys; Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Door panels of metal; Floors made of metal alloys; Hooks of metal for roofing slates; Mechanical fastening elements of metal; Metal coverings for ceilings; Metal gutters; Metal hinges; Metal roofing; Metal roofing hips; Metal roofing panels; Metal roofing tiles; Metal weather vanes; Metal window frames; Metal window sills; Metal window trims; Metal windows; Metal components for metal protective and security window shutters, namely, slats, shutterboxes, side frames, end caps, crank handles, pull straps, side tracks, ball bearings and installation hardware, namely, rollers, rails, cables, carriers, pins, locks, clips, brackets and screws; Metal facade panels for construction purposes; Metallic doors, windows, shutters, slatted shutters; Pipes of metal including those from alloy steel and titanium; Pipework of metal including those from alloy steel and titanium; Rain gutters of metal; Roof gutters of metal; Sheets of metal including those from alloy steel and titanium; Slabs of metal including those from alloy steel and titanium

Cable laying services; Plumbing contractor services; Plumbing services; Roof maintenance; Roofing consultation; Roofing contracting; Roofing installation; Roofing repair; Roofing services; Electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; Installation of plumbing; Installation of roof gutters; Installation of electrical wiring; Laying of cable; Laying of cables; Maintenance of roofing; Providing information relating to roofing installation and repair; Provision of information relating to roofing installation and repair; Repair of roofing

Custom construction of metal sheets and other semi-finished goods of metal being prefabricated articles for roof coverings, facade claddings, ventilating channels, and special constructions in the field of structural engineering; Treatment of metal; Treatment of materials, namely, semi-precious stones, articles of stone, metals and glass materials

Software design and development; Structural engineering design services; Computer hardware and software design; Computer hardware design; Computer hardware development; Consulting in the field of structural engineering; Design and development of computer hardware for the manufacturing industries; Design and development of software and hardware for building construction; Developing computer software; Research in the field of building construction; Research on building construction or city planning