43.22.Z - Plumbing, heat and air-conditioning installation
33.20.Z - Installation of industrial machinery and equipment
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
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
47.99.Z - Other retail sale not in stores, stalls or markets
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.90.Z - Other professional, scientific and technical activities not elsewhere classified