Offshore Support
- Anchor Handling & Supply Vessels (AHT, AHTS, AHV) – towing, anchor handling, supply duties.
- Platform Supply Vessels (PSV, OSV) – cargo and liquid bulk support for offshore platforms.
- Emergency Response & Rescue (ERRV, ESV, OSRV) – standby, rescue, fire-fighting, oil spill response.
- Fast Crew & Support (FSIV, FCV, CTV, SOV/CSOV) – personnel transfer and offshore wind support.
Construction & Installation
- Multi-Purpose, Construction & Diving Support (MPSV, CSV, DSV, ROVSV) – subsea intervention, cranes, ROVs, diving systems.
- Heavy Lift & Crane Vessels (HLCV, SSCV, Sheerlegs, HL Transport) – offshore heavy lift, module installation.
- Pipe & Cable Lay Units (PLSV, CLV, DCV/DLB) – pipelaying, cable installation, trenching.
- Survey & Geotechnical (Seismic, Hydrographic, Geotech) – exploration, mapping, site investigation.
Drilling & Production
- Mobile Offshore Drilling Units (MODU, JU, Liftboats, Semis, Drillships) – offshore drilling and well services.
- Accommodation & Work Barges (AWB, ACV) – living quarters and construction support.
- Production & Storage Units (FPSO, FSO, FSRU, FLNG, FPU, MOPU) – floating production, storage, regasification.
Port, Towage & Terminals
- Harbour Tugs – ship-assist in ports.
- Escort Tugs – tanker/LNGC escort operations.
- Terminal Tugs (ASD, ATD, Voith, FiFi) – offshore terminal operations, fire-fighting.
Transport & Logistics
- Semi-Submersible Heavy Transport Vessels – float-on/float-off for rigs and modules.
- Landing Craft & Logistics Vessels (LCT, LCM, LSV) – shallow draft transport and military support.
- Deck Cargo & Flat-Top Barges – module and equipment transport.
- Ballastable/Submersible Barges – project and heavy lift cargo operations.