41.20.Z - Building works related to erection of residential and non-residential buildings
43.91.Z - Roofing activities
82.30.Z - Organisation of conventions and trade shows
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
73.20.Z - Market research and public opinion polling
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
62.03.Z - Computer facilities management activities
47.91.Z - Retail sale via mail order houses or via internet
46.19.Z - Agents involved in the sale of a variety of goods
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
45.11.Z - Sale of cars and light motor vehicles
43.99.Z - Other specialised construction activities not elsewhere classified
41.10.Z - Realization of building projects related to erection of buildings
43.39.Z - Other building completion and finishing
43.22.Z - Plumbing, heat and air-conditioning installation
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
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
