- APEC Virtual Center (Japan) for Environmental Technology Exchange
- Nonprofit: information, Japan
- Applied Technology Japan
- Services (consulting): consulting, computer, environment, Japan
- Chichibu Onoda Cement Corp.
- Manufacturing (glass, cement, ceramics): concrete, environment, Japan
- Environmental Information Center
- Government (central): environment, information service, EIC, Japan
- Eurotechnology Japan K.K.
- Services (consulting): environment software, opto-electronics, Japan
- Itoki Crebio
- Services (office design): office environment, Japan
- Kato Inc.
- Manufacturing (others): testing instruments, environment equipment, Japan
- Kishimoto International Technology Institute
- Services (consulting): environment, KITI, Japan
- Lake Biwa Research Institute
- Government (local): environmental research, Shiga Pref., Japan
- National Institute for Environmental Studies
- Government (central): environmental research, assessment, Japan
- New Office Promotion Association
- Nonprofit: office environment, Japan