North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 551 - Wholesale services (except commissions)
- 55115 - Motor vehicles and motor vehicle parts and accessories, at wholesale
- 551152 - Buses, medium and heavy-duty trucks, and truck tractors, at wholesale
- 5511521 - Buses, medium and heavy-duty trucks, and truck tractors, at wholesale
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