Sasaki Shipbuilding Co., Ltd.

Toyo Koatsu Co., Ltd.

Tsuneishi Kamtecs Corporation

Kume Sangyo Co., Ltd.

Tamema Co., Ltd.

Kotobuki Solution Co., Ltd.

Energia Communications, Inc. (EneCom)

Polyphony Space On.Off

Furukawa Co., Ltd.

Hiroshima Gas Co., Ltd.

EAML Engineering Co., Ltd.

Daiichi Consultants Technology Co., Ltd.