- Marine salvaging and surveying services (1)
- Marine salvaging (1)
- Marine surveyors (4)
- Water transportation cleaning services (3)
- Boat cleaning (1)
- Ship cleaning (1)
- Boat and ship rental and leasing, except pleasure (6)
- Boat rental, commercial (2)
- Chartering of commercial boats (14)
- Steamship leasing (1)
- Piloting vessels in and out of harbors (1)
- Ship registers (2)
