Establishments primarily engaged in furnishing miscellaneous services incidental to water transportation, not elsewhere classified, such as lighterage, boat hiring, except for pleasure; chartering of vessels; canal operation; ship cleaning, except hold cleaning; and steamship leasing. Establishments primarily engaged in ship hold cleaning are classified in Industry 4491; and those primarily engaged in the operation of charter or party fishing boats or rental of small recreational boats are classified in Services, Industry 7999.
- Boat cleaning
- Boat hiring, except pleasure
- Boat livery, except pleasure
- Boat rental, commercial
- Canal operation
- Cargo salvaging, from distressed vessels
- Chartering of commercial boats
- Dismantling ships
- Lighterage
- Marine railways for drydocking, operation of
- Marine salvaging
- Marine surveyors, except cargo
- Marine wrecking: ships for scrap
- Piloting vessels in and out of harbors
- Ship cleaning, except hold cleaning
- Ship registers: survey and classification of ships and marine
- Steamship leasing