33.20.Z - Installation of industrial machinery and equipment and outfit
16.29.Z - Manufacture of other products of wood; manufacture of articles of cork, straw and plaiting materials
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
72.19.Z - Other research and experimental development on natural sciences and engineering
74.30.Z - Translation and interpretation activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
