NAICS CODE 488310 - Port and Harbor Operations

Industry Sector

Transportation and Warehousing

Total Companies


Est. Employment



This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.


NAICS Code 488310 - Port and Harbor Operations is a final level code of the “Transportation and Warehousing” Sector. There are 990 companies classified in this industry in the USA with an estimated employment of 8,003 people.

Industry Examples

Common types of examples within NAICS Code 488310 - Port and Harbor Operations are:

  • Canal maintenance services (except dredging)
  • Canal operation
  • Docking facility operations
  • Harbor maintenance services (except dredging)
  • Harbor operation
  • Lighthouse operation
  • Maintenance services, waterfront terminal (except dredging)
  • Port facility operation
  • Seaway operation
  • Waterfront terminal operation (e.g., docks, piers, wharves)
  • Wharf operation


For some business types, there may be a similar industry to NAICS Code 488310 - Port and Harbor Operations that is a better classification match. Establishments primarily engaged in: