42210 | Artesian well contractor |
42210 | Construction of civil engineering constructions for long-distance and urban pipelines |
42210 | Construction of irrigation systems (canals) |
42210 | Construction of pumping stations |
42210 | Construction of sewage disposal plants |
42210 | Construction of sewer systems |
42210 | Gas offshore pipeline laying |
42210 | Installation of offshore pipelines from oil or gas wells |
42210 | Irrigation system construction |
42210 | Offshore oil pipeline laying |
42210 | Pipeline construction |
42210 | Pipeline contracting |
42210 | Repair of sewer systems |
42210 | Reservoir construction |
42210 | Sewerage construction |
42210 | Urban pipelines construction |
42210 | Water main and line construction |
42210 | Water treatment plant construction |
42210 | Water well drilling |
42210 | |