This sub-class includes structural repair contractors. Subcontracting parts or even outsourcing the whole construction process is possible.
•general contractors (building construction including major upgrading works), see 41001 •construction of industrial facilities, except buildings, see 42909 •erection of complete prefabricated constructions from self-manufactured parts of all materials (e.g., concrete, wood or steel), see 43904 •architectural and surveying activities, see 7111 •engineering design and consultancy activities, see 7112 •project management for construction, see 71121