43.22.Z - Plumbing, heat and air-conditioning installation
23.61.Z - Manufacture of concrete products for construction purposes
23.62.Z - Manufacture of plaster products for construction purposes
23.63.Z - Manufacture of ready-mixed concrete
23.70.B - Production of other stone products, as well as cutting, shaping, and finishing of stone
25.99.Z - Manufacture of other fabricated metal products n.e.c.
28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
28.21.Z - Manufacture of ovens, furnaces and permanent household heating equipment
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
35.12.A - Wind energy
35.12.B - Solar energy
35.12.C - Geothermal energy
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.23.Z - Installation of insulation
43.24.Z - Other construction installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.35.Z - Other building completion and finishing
43.41.Z - Roofing activities
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
43.91.Z - Masonry and bricklaying activities
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms