71.12.Z - Engineering activities and related technical consultancy
25.11.Z - Manufacture of metal structures and parts of structures
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
28.92.Z - Manufacture of machinery for mining, quarrying and construction
28.93.Z - Manufacture of machinery for food, beverage and tobacco processing
28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified
33.12.Z - Repair and maintenance of machinery
33.20.Z - Installation of industrial machinery and equipment and outfit
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.22.Z - Plumbing, heat and air-conditioning installation
71.20.B - Other technical testing and analysis
72.19.Z - Other research and experimental development on natural sciences and engineering
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
