WATER TRANSPORTATION OF FREIGHT, N.E.C. (SIC E444)

Establishments primarily engaged in the transportation of freight on 
all inland waterways, including the intracoastal waterways on the 
Atlantic and Gulf coasts.  Transportation of freight on the Great 
Lakes and the St. Lawrence Seaway is classified in Industry 4432.  
Establishments primarily engaged in providing lighterage and towing 
or tugboat services are classified
in Industry Group 449.