- Adecco Japan
- ADVICS CO., LTD.
- Broadleaf Co., Ltd.
- CIJ Next co.,Ltd.
- COLOWIDE CO., LTD.
- Daimaru Matsuzakaya Department Stores Co.Ltd.
- Dip Co., Ltd.
- FAST RETAILING CO., LTD.
- Kirin Holdings Company, Limited
- kochi-Konan city office
- Komatsu Ltd.
- Kurashiki Medical Center
- MARUWA UNYU KIKAN CO., LTD.
- MITSUBISHI MATERIALS CORPORATION
- Net One Systems Co., Ltd.
- Nihon Shokken Holdings Co. Ltd.
- NIPPON STEEL TRADING CORPORATION
- PRONTO Corporation
- Relia, Inc.
- SG Holdings Co.,Ltd.
- Simplex Inc.
- SSK Corporation
- Starbucks Coffee Japan, Ltd.
- SUMITOMO CORPORATION
- Tokyo Metro Co., Ltd.
- TOWA CORPORATION
- Triumph International (Japan) Ltd.
- URLinkage Co., LTD
- Yahoo Japan Corporation.
- SoftBank Group 80 companies
(Alphabetical order, honorifics omitted)