Japan
- Konoike Medical Co., Ltd.
- Kyushu Sanko Unyu Co., Ltd.
- Japan Airways Co., Ltd.
- Kanriku Co., Ltd.
- Konoike Air Holding Co., Ltd.
- Konoike Air Port Service Co., Ltd.
- Konoike Sky Support Co., Ltd.
- K Sky Co., Ltd.
- K Ground Service Co., Ltd.
- K Ground Expert Co., Ltd.
- Japan Airport Service Co., Ltd.
- Airport Terminal Service Co., Ltd.
- NAB Corporation.
- J Friendly, Inc.
- Air Express, Inc.
- Eco Innovation Inc.
- ASR Recycling Kashima Co., Ltd.
- Konoike Express Co., Ltd.
- Otori Tech Co., Ltd.
- Konohana Transport Co.,Ltd.
- Sano Unyu Co., Ltd.
- Chuden Sangyo Co., Ltd.
- Konoike Shipping Co., Ltd.
- NBS Inc.
- Konoike Corporate Service Co., Ltd.
- Nichiun Co., Ltd.
- Chiyoda Inspection Industries Co., Ltd.
- SHINE Co., Ltd.
- Konoike IT Solutions Co., Ltd.
