42.21.Z - Construction of utility projects for fluids
43.22.Z - Plumbing, heat and air-conditioning installation
85.59.D - Other non-school forms of education, not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.C - Other technical research and analyses
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
71.12.Z - Engineering activities and related technical consultancy
71.12.B - Other activities in the field of engineering and related technical consulting
64.99.Z - Other financial service activities, except insurance and pension funding n.e.c.
62.01.Z - Computer programming activities
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities n.e.c.
25.11.Z - Manufacture of metal structures and parts of structures
33.18.Z - Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
31.09.Z - Manufacture of other furniture
25.91.Z - Manufacture of steel drums and similar containers
25.62.Z - Manufacture of locks and hinges
25.61.Z - Manufacture of cutlery
25.53.Z - Machining of metals
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.22.Z - Manufacture of other tanks, reservoirs and containers of metal
25.12.Z - Manufacture of doors and windows of metal