36.00.Z - Water collection, treatment and supply
42.91.Z - Construction of water projects
71.20.C - Other technical research and analyses
47.79.C - Retail sale of other used goods
46.85.B - Wholesale trade of other chemical products
46.64.Z - Wholesale of other machinery and equipment
46.49.Z - Wholesale of other household goods
43.50.Z - Specialised construction activities in civil engineering
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
42.99.Z - Construction of other civil engineering projects n.e.c.
20.13.Z - Manufacture of other inorganic basic chemicals
42.21.Z - Construction of utility projects for fluids
37.00.Z - Sewerage
33.20.Z - Installation of industrial machinery and equipment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
28.29.Z - Manufacture of other general-purpose machinery n.e.c.
27.12.Z - Manufacture of electricity distribution and control apparatus
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
20.14.Z - Manufacture of other organic basic chemicals