Manufacturers
- Dai-ichi High Frequency
- Kohan Electronics Ltd.
- OPPC
- Kawatake Electronics
- Yokohama Rubber
- Takenaka
- Wakaida
- Fukuchiyama Engineering
- ASAHI GLASS CO.LTD.
- Aquanext
- Torque System
- Mitsubishi Heavy Industry
- Solar Frontier Co.
- Showa Kankyo System
- JCCE Co.
- Hitachi Kasei
- Various Manufacturers
- MTS Systems Corporation
- Pascal Co., Ltd
- Yamamoto-MS
- NTT AT
- JMC (Japan Machinery Company)
- OBLF