WATER TRANSPORTATION SERVICES, N.E.C. (SIC E4499)

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 the operation of charter 
or party fishing boats or rental of small recreational boats are 
classified in Services, Industry 7999.