WZ 52.23—Service activities incidental to air transportation

Where 52.23 sits

1. H Transportation and storage
2. 52 Warehousing, storage and support activities for transportation
3. 52.2 Support activities for transportation
4. 52.23 Service activities incidental to air transportation

Contains 2 narrower codes

• 52.23.1 Operation of airports and airfields
• 52.23.9 Service activities incidental to air transportation n.e.c.

What 52.23 includes

• For details on Industry Class 52.23, refer to the industry descriptions under its subcategories

52.23 in other systems