33.20.Z - Installation of industrial machinery and equipment
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
33.12.Z - Repair and maintenance of machinery
43.22.Z - Plumbing, heat and air-conditioning 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
46.18.Z - Activities of agents involved in the wholesale of other particular products
46.19.Z - Activities of agents involved in non-specialised wholesale
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
