- Marine salvaging and surveying services (1)
- Marine surveyors (7)
- Salvaging, distressed vessels and cargoes (1)
- Water transportation cleaning services (1)
- Boat and ship rental and leasing, except pleasure (7)
- Boat rental, commercial (3)
- Chartering of commercial boats (24)
- Marine wrecking ships for scrap (1)
- Piloting vessels in and out of harbors (4)
