Common metals and their alloys, unwrought or semi-wrought; building materials of metal, namely, metal reinforcement materials for building, metal countertops for further installation, composite panels composed primarily of metal, metal molds for forming metal wall panels and pre-fabricated architectural columns, metal soffits, metal cross-beams; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of metal; ironmongery and small items of metal hardware, namely, brackets of metal for building, locks of metal, other than electric, pipe muffs of metal, rivets of metal, door bolts of metal, junctions of metal for pipes, rods of metal for brazing and welding, knobs of metal, cables of metal, non-electric, collars of metal for fastening pipes, tiles of metal for building, hinges of metal, ropes of metal, girders of metal; pipes of metal; ores of metal; prefabricated construction elements of metal, namely, platforms and modular buildings; structures of metal, namely, platform, crossbeams, pillars, framework for stabilizing the earth by means of mechanical effects; structures of metal, namely, platform, crossbeams, pillars, framework for earth retention; retaining walls of metal; reinforcing materials of metal for building civil engineering structures; panels of metal for building; panels of metal for forming a cover for mechanically-stabilized land structures; panels of metal for forming a cover for earth stabilization structures by means of mechanical effect; ground nails of common metal; bars of common metal for further manufacture; metal, steel and iron strips for further manufacture, nails of metal, bars of metal for further manufacture, and plates of metal, namely, sheet metal plates for construction of buildings and civil engineering structures

Construction, namely, construction of buildings, construction of roads, construction of bridges, construction of masonry and portable walls and structures; installation of prefabricated building elements, building structures and industrial sites; construction services, namely, construction planning; construction of public works, namely, road, bridges and canals; construction of civil engineering structures, namely, roads, bridges, masonry walls, portable walls, excavation services, drilling of pilot holes, drilling of wells, drilling of trenches, digging of walls and tunnels; construction, repair, maintenance, and demolition of buildings and civil engineering structures, namely, roads, bridges, masonry walls, portable walls; construction, maintenance and repair of roads, tracks, runways, bridges, bridge abutments, stabilized land structures, earth stabilization structures by means of mechanical effect, earth stabilization devices, embankments, retaining walls, dikes, tunnels, gutters, enclosures, reservoirs, tanks, silos and historical monuments; injection of products into the ground to consolidate and seal the ground; installation of reinforcements and ties for strengthening the ground; construction and installation of cladding on building structures and retaining structures; earthmoving; land clearing; dredging; construction supervision; rental of construction equipment; buildings, roads, bridges, masonry and portable walls construction information; buildings, roads, bridges, masonry and portable walls repair information

Scientific and technological services, namely, scientific research, analysis and testing in the field of buildings, roads, bridges, masonry and portable walls construction as well as research and design services relating thereto in the field of buildings, roads, bridges, masonry and portable walls construction; industrial analysis, namely, analysis of buildings, roads, bridges and wall structures and analysis of soils and subsoils to assure compliance with industry standards and industrial research services in the field of buildings, roads, bridges, masonry and portable walls construction; engineering services in the field of construction; analysis, namely, soil and subsoil analysis, analysis of buildings, roads, bridges and wall structures in the field of construction, prestressing, cabled structures, support structures; analysis of soils and subsoils for the structure of buildings and civil engineering structures, land, soils, subsoils, topographic and technical surveying for the structure of buildings and civil engineering structures; consulting in civil engineering and industrial engineering in the fields of ground stabilisation and sanitation; consulting in civil engineering and industrial engineering in the fields of sealing and protection against fire and rust; technical advice, namely, technical consultancies and scientific studies in relation with the operation of the following products: common metals and their alloys, building materials of metal, transportable buildings of metal, materials of metal for railway tracks, non-electric cables and wires of metal, ironmongery and small items of metal hardware, pipes of metal, ores, prefabricated construction elements, structures for stabilizing the earth by means of mechanical effect, structures for earth retention, retaining walls, reinforcing materials for building civil engineering structures, panels for building, panels for forming a cover for mechanically stabilized land structures, panels for forming a cover for earth stabilization structures by means of mechanical effect, ground nails, bars of metal, strips, nails, bars and plates of metal; technical advice, namely, technical consultancies and scientific studies in relation with the operation of the following services: construction, repair, installation services, construction services, construction work, public works, civil engineering structures, drilling of pilots, wells, trenches, walls or tunnels, construction, repair, maintenance and demolition of buildings and civil engineering structures, construction, maintenance and repair of roads, tracks, runways, bridges, bridge abutments, stabilized land structures, earth stabilization structures by means of mechanical effect, earth stabilization devices, embankments, retaining walls, dikes, tunnels, gutters, enclosures, reservoirs, tanks, silos and historical monuments, injection of products into the ground to consolidate and seal the ground, installation of reinforcements and ties for strengthening the ground, construction and installation of cladding on building structures and retaining structures, earthmoving, land clearing, dredging