43.22.Z - Plumbing, heat and air-conditioning installation
28.14.Z - Manufacture of other taps and valves
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
33.20.Z - Installation of industrial machinery and equipment
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.99.Z - Construction of other civil engineering projects n.e.c.
46.69.Z - Wholesale of other machinery and equipment
46.71.Z - Wholesale of motor vehicles
71.12.Z - Engineering activities and related technical consultancy