- Nagano Prefecture
- Novel Crystal Technology, Inc.
- TAIYO NIPPON SANSO CORPORATION
- Kanomax Analytical Incorporated
- RYOKOSHA CO., LTD.
- Toray Research Center, Inc.
- STR Japan K. K.
- Oxford Instruments K. K.
- PULSTEC INDUSTRIAL CO., LTD.
- EIKOH Co., Ltd.
- TOMOE SHOKAI Co., LTD.
- Adamant Namiki Precision Jewel Co., ltd.
- DAI-ICHI KIDEN CO., LTD.
- Osaka Asahi Co., Ltd.
- Furuya Metal Co., Ltd.
- Sunric Co., Ltd.