71.12.Z - Engineering activities and related technical consultancy
35.30.Z - Steam, hot water and air conditioning manufacturing and supply
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
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.91.Z - Works related to construction of water projects
43.22.Z - Plumbing, heat and air-conditioning installation
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.09.Z - Other information technology and computer service activities
74.10.Z - Specialised design activities
