71.12.Z - Engineering activities and related technical consultancy
33.17.Z - Repair and maintenance of other transport equipment
43.99.Z - Other specialised construction activities not elsewhere classified
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
39.00.Z - Remediation activities and other waste management services
33.20.Z - Installation of industrial machinery and equipment and outfit
33.19.Z - Repair and maintenance of other equipment
08.11.Z - Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate
33.14.Z - Repair and maintenance of electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
32.99.Z - Other manufacturing not elsewhere classified
25.62.Z - Mechanical working of metal elements
25.61.Z - Treatment and coating of metals
25.12.Z - Manufacture of metal elements of building woodwork
25.11.Z - Manufacture of metal structures and parts of structures
09.90.Z - Support activities for other mining and quarrying
09.10.Z - Support activities for petroleum and natural gas extraction
08.99.Z - Other mining and quarrying not elsewhere classified
08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin
