Skip to content
SS
Singapore SSIC
Reference index
SSIC 2025
SSOC 2024
ISIC Rev. 5
Crosswalk
International
Methodology
Home
/
SSIC 2025
/
H
/
52
/
522
/
5223
Class
5223
Supporting Services to Air Transport
5 final codes in this class.
Final codes
Final code
52231
Representative offices of foreign airlines
Final code
52232
Airline agencies (freight)
Final code
52233
Airport operation services
Final code
52234
Airport terminal services
Final code
52239
Supporting services to air transport n.e.c.