- Head office
- 〒541-004 Sakaisuji Bldg 2nd floor, 2-2-3 Minami-honmachi, Chuo-ku, Osaka Japan
Phone
- 06-6265-6511
FAX
- 06-6265-6520
- osk@osk-21.co.jp
By train
- Walk 1min from 9th exit of SAKAISUJI-HONMACHI subway station
- North branch
- 〒530-0054 Minamimorimachi Chiyoda Bldg 5th floor, 2-2-2 Minami-morimachi, North-nord, Osaka Japan
Phone
- 06-6362-3288
FAX
- 06-6362-3277
By train
- Walk 1min from 1st exit of MINAMIMORIMACHI subway station
- Okiwana branch
- 〒900-0012 Yamaki-forest 4-A, 2-12-4 Tomari, Naha-city, Okinawa Japan
Phone
- 098-860-8553
FAX
- 098-860-8533