43.21.Z - Electrical installation
43.32.Z - Joinery installation
95.11.Z - Repair and maintenance of computers and peripheral equipment
72.19.Z - Other research and experimental development on natural sciences and engineering
62.09.Z - Other information technology and computer service activities
62.03.Z - Computer facilities management activities
62.02.Z - Computer consultancy activities
62.01.Z - Computer programming activities
61.30.Z - Satellite telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
27.40.Z - Manufacture of electric lighting equipment
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.11.Z - Demolition
33.20.Z - Installation of industrial machinery and equipment and outfit
33.13.Z - Repair and maintenance of electronic and optical equipment
33.12.Z - Repair and maintenance of machinery
28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified
28.49.Z - Manufacture of other mechanical tools
28.24.Z - Manufacture of power-driven hand tools
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
27.90.Z - Manufacture of other electrical equipment
27.51.Z - Manufacture of electric domestic appliances