Japan Automatic Door Association (JADA)
- http://jada-info.jp/
- Chikura Industry Co., Ltd.
- http://www.entrard.co.jp/chikura/
- Fulltech INC.
- http://www.fulltech1963.com/
- Teraoka Autodoor System Co., Ltd.
- http://www.teraoka-ads.co.jp/
- Niigata Teraoka Autodoor Co., Ltd.
- http://www.ni-teraoka.jp/
- Teraoka Seiko Co., Ltd.
- http://www.teraokaseiko.com/
- SS Inc.
- http://www.ss-multi.co.jp/
