Rakuten, Inc.
Amazon Japan K.K.
L style corporation
ESFIELD CORPORATION
Makuake, Inc.
Rakuten Bank, Ltd.

DHL Japan, Inc.
THE LOFT CO.,LTD. 
Hands Inc.
Yodobashi Camera Company, Limited
BIC CAMERA INC.
Hankyu Department Stores, Inc.

Japan Finance Corporation, 
The Tokyo Shinkin Bank
Sagawa Express Co., Ltd.
Japan Post Co., Ltd.