- Marine salvaging and surveying services (1)
- Marine surveyors (8)
- Salvaging, distressed vessels and cargoes (1)
- Water transportation cleaning services (1)
- Boat and ship rental and leasing, except pleasure (4)
- Boat hiring, except pleasure (2)
- Boat rental, commercial (3)
- Chartering of commercial boats (72)
- Piloting vessels in and out of harbors (1)
