- Marine loading and unloading services (22)
- Loading vessels (5)
- Stevedoring (61)
- Unloading vessels (4)
- Docks, piers and terminals (14)
- Docks, incl. buildings and facilities: operation and maint. (40)
- Marine terminals (16)
- Piers, incl. buildings and facilities: operation and maint. (1)
- Waterfront terminal operation (4)
- Ship hold cleaning (2)
