42220 | Cable laying |
42220 | Civil engineering constructions for long-distance communication |
42220 | Civil engineering constructions for power lines |
42220 | Civil engineering constructions for power plants |
42220 | Civil engineering constructions for urban communication |
42220 | Communication lines construction |
42220 | Construction of utility projects for electricity |
42220 | Construction of utility projects for telecommunications |
42220 | Overhead line construction |
42220 | Power line construction |
42220 | Repair and maintenance of above-ground telecommunication lines |
42220 | Repair and maintenance of underground communication lines |
42220 | Urban communication and powerlines construction |
42220 | |