43.22.Z - Plumbing, heat and air-conditioning installation
35.11.Z - Production of electricity from non-renewable sources
41.20.Z - Building works related to erection of residential and non-residential buildings
43.21.Z - Electrical installation
46.12.Z - Activities of agents involved in the wholesale of fuels, ores, metals and industrial chemicals
46.14.Z - Activities of agents involved in the wholesale of machinery, industrial equipment, ships and aircraft
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.69.Z - Wholesale of other machinery and equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
71.12.Z - Engineering activities and related technical consultancy
