Art Sub is active in harbour, stateowned, and river environments. Specifically, its activity is dedicated to provide sea building and carpentry services, both onshore and offshore, supported by qualified employees, such as Technical Divers with relevant authorizations for immersion and professional competence in bulding and carpentry, in underwater cutting and welding activities. Art Sub is specialised in installation of underwater ducts and relevant laying-down of collars and anchorages and signaling buoys.
Members of its staff are qualified Operators and Crane Operators, to drive and control maritime vessels for any lifting operations, but able also to operate for for sea-transport of vehicles and various good. Another qualifying sector is represented by maintenance, control, verification, and service tasks, maily for hydroelectric power plants.

Activities performed by specialised underwater operators for great Groups relate to desanding of intake systems both in rivers and sea through suction pumps for dredging, inspection in underwater wells and tunnels, sealing of intake systems, cutting and welding of metal parts, resining, cleaning of grids and maintenance of suction pumps with underwater inspections and maintenance of cable ducts. Further to these activities, high specialised underwater services are supplied, as docking of ships, leak infill, underwater video-photo-services, ship hull and bottom inspections, non destructive thickness checks, assistance for cleaning of seabed from bombs and remnants of war and other materials of various origin, as well as services aimed to a general check of harbours and rivers, as bathymetries, measurements of seabeds, drilling, laying of anti-pollution plates and containment plates for dredging operations.