- Marine salvaging and surveying services (1)
- Marine salvaging (2)
- Marine surveyors (4)
- Boat cleaning (7)
- Ship cleaning (1)
- Boat and ship rental and leasing, except pleasure (9)
- Boat livery, except pleasure (1)
- Boat rental, commercial (6)
- Chartering of commercial boats (23)
- Boathouses, commercial (1)
