North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]
- 48-49 - Transportation and warehousing services
- 488004 - Water transportation support, maintenance and repair services
- 488004.1 - Water transportation support services
- 488004.1.1 - Marine facility services
- 488004.1.2 - Navigational services for marine vessels
- 488004.1.3 - Marine salvage services
- 488004.1.4 - Water transportation support services, n.e.c.
- 488004.2 - Maintenance and repair of marine vessels
- 488004.3 - Marine vessel traffic reporting
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