| Nace | Description | Number of Company |
|---|---|---|
| 28.11.08 | Manufacture of turbines and turbine components (wind, gas, water and steam turbines and water wheels and their parts) (except turbo-jets or turbo-propellers for aircrafts) | 81 |
| 28.11.09 | Manufacture of spark-ignition or compression-ignition internal combustion engines and their parts used at marine vehicles, railway vehicles and for industrial use (except aircrafts, motor road vehicles and motorcycles) | 30 |
| 30.11.01 | Activities for construction of floating and submerged drilling platforms | 43 |
| 30.11.02 | Building of passenger ships and boats, ferries, tankers, refrigerated vessels, dry bulk vessels, trailer and repellent towboats, dredgers, offshore vessels, hover crafts and other vessels (except those for sports and leisure purposes) | 449 |
| 30.11.03 | Manufacture of warships and submarines | 18 |
| 30.11.04 | Building of fishing ships and boats and factory ships towards seafood processing and storage | 48 |
| 30.11.05 | Manufacture of floating docks, pontoons, coffer-dams, floating piers, buoys, floating tanks, barges, barge and floating cranes, inflatable boats not for entertainment purposes, etc. | 18 |
| 30.11.06 | Manufacture of seating places for vessels and floating structures | 72 |
| 30.11.07 | Manufacture of internal chambers for ships and floating structures | 67 |
| 30.11.08 | Large-scale modification and reconstruction of ships, floating platforms and floating structures | 148 |
