42 Construction of other civil engineering projects421 Construction of roads and railways4211 Construction of roads, highways4212 Construction of railway4213 Construction of bridge, tunnel422 Construction of public utility4221 Construction of utility projects for fluids4222 Construction of utility projects for electricity and telecommunications429 Construction of other structures n.e.c.4291 Construction work for water projects4299 Other construction n.e.c.Back to the list