- Marine salvaging and surveying services (1)
- Marine salvaging (1)
- Marine surveyors (6)
- Water transportation cleaning services (3)
- Boat cleaning (7)
- Ship cleaning (1)
- Boat and ship rental and leasing, except pleasure (1)
- Boat rental, commercial (1)
- Chartering of commercial boats (2)
- Piloting vessels in and out of harbors (2)
