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
33.19.Z - Repair and maintenance of other equipment
46.14.Z - Activities of agents involved in the wholesale of machinery, industrial equipment, ships and aircraft
46.85 - Wholesale of chemical products
46.90.Z - Non-specialised wholesale trade
71.12.B - Other activities in the field of engineering and related technical consulting
74.99.Z - All other professional, scientific and technical activities n.e.c.
81.22.A - Cleaning of chimneys, fireplaces, stoves, and ventilation ducts
