The marine works sector covers different types of interventions ranging from construction of port facilities to shore protection, from port dredging to beach replenishment, from wastewater pipelines to cooling systems for coastal industries, from aqueducts to submarine cables for connections between and with islands and other coastal installations.

In the sector, Poliservizi provides a wide range of services, including preparatory activities for implementation (feasibility studies, environmental, hydrographic, geophysical and oceanographic studies and surveys, marine weather studies, precision positioning, topographic surveys and other such services) and performance of project operations with maritime craft.