- Marine salvaging and surveying services (3)
- Marine salvaging (4)
- Marine surveyors (12)
- Salvaging, distressed vessels and cargoes (1)
- Water transportation cleaning services (4)
- Boat cleaning (14)
- Boat and ship rental and leasing, except pleasure (14)
- Boat livery, except pleasure (1)
- Boat rental, commercial (11)
- Chartering of commercial boats (47)
- Ship dismantling (1)
- Boathouses, commercial (2)
- Piloting vessels in and out of harbors (1)
