J-Air | Japan Air Commuter (60%)¹ | Japan Transocean Air (70.1%)²(Ryukyu Air Commuter (74.5%)²) | Hokkaido Air System (57.3%)
Jetstar Japan (50%)³ | ZIPAIR Tokyo

Defunct
Japan Air System | Japan Asia Airways | JALways | JAL Express

Notes
¹Jointly owned with 12 local municipalities of the Amami Islands and Kagoshima (40%)
²Jointly owned with Okinawa Prefecture and other shareholders
³Jointly owned with Qantas Group (33.3%) and Century Tokyo Leasing Corporation (16.7%)