Aichi Steel Corporation
AKTIO Corporation
Bridgestone Software Ltd.
Caterpillar Japan System Services Ltd.
Chuo Mitsui Trust and Banking Company, Limited
EBARA Corporation
Heiwado
IBM Japan Co.
JACCS Company, Ltd.
Japan Trustee Information Systems.Ltd.
KDDI Corporation
Kubota Systems Inc.
Mitsubishi Research Institute DCS Co. Ltd.
Mitui Life Insurance Company Ltd.
Mobit
NHK Computer Services Inc.
Nippon Office Systems Co. Ltd.
NIPPON Shuppan Hanbai Inc.
Nisshin Information Service Corp
NK EXA Corporation
NTT Data Sofia Corporation
NTT data-itec Corporation
NYK Systems Research Institute (NSRI)
OMRON Corporation
Panasonic Electric Work Information Systems Co.
Sonpo24 Insurance Company Ltd.
The Hiroshima Bank Ltd.
TIS Inc.
Toyota Communication Systems Co. Ltd.
Zen-noh Service Co. Ltd.