41.10 - Realization of building projects related to erection of buildings
41.20 - Building works related to erection of residential and non-residential buildings
42.11 - Construction of roads and motorways
42.12 - Construction of railways and underground railways
42.13 - Construction of bridges and tunnels
42.21 - Construction of utility projects for fluids
42.22 - Construction of utility projects for electricity and telecommunications
42.91 - Construction of water projects
42.99 - Construction of other civil engineering projects n.e.c.
43.11 - Demolition
43.12 - Site preparation
43.21 - Electrical installation
43.22 - Plumbing, heat and air-conditioning installation
43.29 - Other construction installation
43.31 - Plastering
43.32 - Joinery installation
43.33 - Floor and wall covering
43.34 - Painting and glazing
43.39 - Other building completion and finishing
43.91 - Masonry and bricklaying activities
43.99 - Other specialised construction activities n.e.c.
68.1 - Real estate activities with own property and development of building projects
68.2 - Rental and operating of own or leased real estate
68.3 - Real estate activities on a fee or contract basis
71.11 - Architectural activities
71.12 - Engineering activities and related technical consultancy
71.20 - Technical testing and analysis