71.12.Z - Engineering activities and related technical consultancy
25.11.Z - Manufacture of metal structures and parts of structures
25.21.Z - Manufacture of central heating radiators, steam generators and boilers
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.30.Z - Manufacture of weapons and ammunition
33.12.Z - Repair and maintenance of machinery
33.20.Z - Installation of industrial machinery and equipment
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified