43.99.Z - Other specialised construction activities not elsewhere classified
33.11.Z - Repair and maintenance of fabricated metal products
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.34.Z - Painting and glazing
43.91.Z - Roofing activities
