71.12.Z - Engineering activities and related technical consultancy
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
37.00.Z - Sewage disposal and treatment
39.00.Z - Remediation activities and other waste management services
41.20.Z - Building works related to erection of residential and non-residential buildings
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.22.Z - Plumbing, heat and air-conditioning installation
43.99.Z - Other specialised construction activities not elsewhere classified
70.22.Z - Business and other management consultancy activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
