Deep Sea, Coastal, & Great Lakes Water Transportation
Key Figures
Figures are published for NAICS 48311 directly.
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Official definition
This industry comprises establishments primarily engaged in providing deep sea, coastal, Great Lakes, and St. Lawrence Seaway water transportation. Marine transportation establishments using the facilities of the St. Lawrence Seaway Authority Commission are considered to be using the Great Lakes Water Transportation System.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Deep sea, coastal, Great Lakes, and St. Lawrence Seaway water transportation establishments are classified in this industry. The boundary separates these operations from inland water transportation, which covers establishments providing water transportation on rivers, canals, and other inland waterways rather than on oceans, coastal waters, or the Great Lakes system. The St. Lawrence Seaway is explicitly included within this classification despite its inland location, as it functions as part of the Great Lakes water transportation system.