6 Reinforcing elements of steel for reinforced concrete, steel tendons for pre-stressed concrete in the form of rods, wires or flex, tension elements of steel for ground and rock anchors, anchoring elements therefor, namely anchoring bolts, screws, sleeves, shims, cladding tube of metal.
7 Mechanical and hydraulic presses, machines for straightening and bending steel rods, machines for cutting or rolling reinforcing elements, apparatus for treating and pressing binding substances, namely artificial resin and artificial resin mortar and cement mortar; machines and mechanical apparatus for making finished concrete parts and parts thereof, namely form works for making finished concrete parts; machines and apparatus for underground pipe laying operations involving ground displacement or removal, horizontal drilling equipment and horizontal shield driving equipment with controls for non-walk-in pipelines; moveable scaffolding for bridge construction in cantilever construction and incremental launching.
17 Cladding tube of plastic.
19 Sliding mouldings and climbing forms and parapets of metal and wood; reinforcing elements of fibre composites for concrete, tension elements of fibre composites for ground and rock anchors, anchoring elements therefor, namely anchoring bolts, screws, sleeves, shims of plastic.
37 Structural and civil engineering, in particular demolition, excavation, bridge construction, constructing permanent ways for railways, earthworks, erecting scaffolding and sliding mouldings and climbing forms, and erecting buildings of reinforced concrete using sliding mouldings and climbing forms, fixing ground anchors and rock anchors, installation and assembly of industrial installations, installation and assembly of tension rods, in particular of suspension bridges and cable-stayed bridges, plastering and tile laying, chimney construction, blasting, road and path building, and building ways for rail-borne vehicles, tunnel and mining gallery construction, underground pipeline construction, water constructions; reinforcing buildings with reinforced concrete and pre-stressed concrete; surveying, in particular by controlling machines and apparatus when forcing open underground chambers; repair and maintenance of buildings, operating and maintaining installations for purifying drinking water, service water and waste water; rental of machines, tools and apparatus for building construction.
42 Architectural and construction drafting and consultancy, technical consultancy and engineering, architecture, computer programming.