36.00.Z - Water collection, treatment and supply
37.00.Z - Sewerage
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
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
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
46.13.Z - Activities of agents involved in the wholesale of timber and building materials
46.43.Z - Wholesale of electrical household appliances
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.73.Z - Wholesale of motorcycles, motorcycle parts and accessories
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.76.Z - Wholesale of other intermediate products
46.90.Z - Non-specialised wholesale trade
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
68.31.Z - Intermediation service activities for real estate activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.1 - Research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.60.Z - Educational support activities