NAICS 483 is the North American Industry Classification System code for Water Transportation, a subsector in the Transportation and Warehousing sector (48-49). It divides into 2 more specific codes, including Deep Sea, Coastal, and Great Lakes Water Transportation (4831) and Inland Water Transportation (4832).
NAICS 483 is the code for Water Transportation, a subsector in the North American Industry Classification System (NAICS 2022), under 48-49 (Transportation and Warehousing). It has 2 more specific codes: 4831 and 4832.
The parent of NAICS 483 is 48-49, Transportation and Warehousing. Every company under 483 is also counted under 48-49.