- Marine loading and unloading services (2)
- Stevedoring (12)
- Docks, piers and terminals (2)
- Docks, incl. buildings and facilities: operation and maint. (7)
- Marine terminals (3)
- Piers, incl. buildings and facilities: operation and maint. (1)
- Waterfront terminal operation (1)
- Ship hold cleaning (1)
