- Marine loading and unloading services (8)
- Loading vessels (4)
- Stevedoring (57)
- Unloading vessels (4)
- Docks, piers and terminals (7)
- Docks, incl. buildings and facilities: operation and maint. (16)
- Marine terminals (16)
- Piers, incl. buildings and facilities: operation and maint. (1)
- Waterfront terminal operation (7)
- Ship hold cleaning (1)
