The core activity of Intrasub SA is the execution of subaquatic and lacustrine works, including: Subaquatic works: camera inspection and research, sandblasting and epoxy protection, injections, welding and cutting works, blasting works; Lacustrine works: maintenance of landing stages, harbour construction, pile driving, pontoon construction, slipways for boats; Inspection and maintenance of underwater installations; Recovery of wrecks and objects; Underwater works in canalized and polluted waters; Works in galleries and shafts. The company offers its services for projects of all sizes and emphasizes punctuality, quality and budget compliance.