North American Industry Classification System (NAICS) 2002
- 48-49 - Transportation and Warehousing
- 481 - Air Transportation
- 4811 - Scheduled Air Transportation
- 48111 - Scheduled Air Transportation
- 481110 - Scheduled Air TransportationCAN
- 4812 - Non-Scheduled Air Transportation
- 48121 - Non-Scheduled Air Transportation
- 481214 - Non-Scheduled Chartered Air TransportationCAN
- 481215 - Non-Scheduled Specialty Flying ServicesCAN
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