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