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
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.31.Z - Plastering
43.39.Z - Other building completion and finishing
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.75.Z - Wholesale of chemical products
46.76.Z - Wholesale of other intermediate products
47.54.Z - Retail sale of electrical household appliances in specialised stores
47.91.Z - Retail sale via mail order houses or via internet
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment