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NAICS 488310 is the North American Industry Classification System code for Port and Harbor Operations, a national industry in the Support Activities for Water Transportation industry group (4883) of the Transportation and Warehousing sector (48-49).
Frequently asked questions
What is NAICS code 488310?
NAICS 488310 is the code for Port and Harbor Operations, a national industry in the North American Industry Classification System (NAICS 2022), under 4883 (Support Activities for Water Transportation). It is a 6-digit code, the most specific NAICS level.
What is the parent code of NAICS 488310?
The parent of NAICS 488310 is 4883, Support Activities for Water Transportation. Every company under 488310 is also counted under 4883.