Level-two business industries
32
41000
Construction of buildings
41001
Construction of residential buildings
41002
Construction of non-residential buildings
42000
Civil engineering
42100
Construction of roads and railways
42101
Construction of streets, roads, bridges or tunnels
42102
construction of railways and subways
42200
Construction of utility projects
42201
Construction of utility projects for water, oil, and gas
42202
Construction of utility projects for electricity and telecommunications
42900
Construction of other civil engineering projects
42901
Construction of waterways, harbour, dam and other civil engineering projects related to water
42909
Construction of other civil engineering projects, not elsewhere classified
43000
Specialized construction activities
43110
Demolition
43120
Site preparation
43200
Electrical, plumbing and other construction installation activities
43210
Electrical installation
43220
Plumbing, heat and air-conditioning installation
43221
Water plumbing and drain laying installation
43222
Heating installation
43223
Air conditioning and ventilation installation
43290
Other construction installation
43291
Insulation installation
43299
Other construction installation, not elsewhere classified
43301
Joinery installation and interior completion
43302
Floor and wall covering
43303
Painting
43309
Other building completion and finishing, not elsewhere classified
43900
Other specialized construction activities
