- Intertech Limited
- Address:2-23-1 Ougi
- TOMINAGA ELECTRIC CO., LTD
- Address:2-11-8, Sotokanda,
- ACE INDUSTRY LIMITED
- Address:5137-1, Tana
- Osaka Shoji Kaisha Ltd.
- Address:2-2-3 Minami-Honmachi Chuo-Ku
- SOUDEN SANGYO CORPORATION
- Address:10, Ha, Fukuhisamachi
- TOKUSHU KINZOKU EXCEL CO., LTD.
- Address:Mejiro Hakubutsukan Bldg. 5F, 1-4-25, Mejiro
- Globetech Inc
- Address:4-8-15 fujimi-cho, Tachikawa, Tokyo, Japan
- KANETSU CO.,LTD
- Address:1, Toyodacho, Nishikujo, Minami-ku,
- PLUS ELECTRIC CO.,LTD.
- Address:26, Nearaicho, Kita-ku,
- DENSO CORPORATION
- Address:2-3-6, Sotokanda
- SEIWA GIKEN Inc.
- Address:5-23-8, Nishigotanda
- Every Little Thing
- Address:Sentagaya 4-12-4,Shibuya-ku, Tokyo, Tokyo, Japan
- YAMAICHI ELECTRONICS CO., LTD.
- Address:11F Technoport Mitsui Seimei Bldg. 2-16-2 Minamikamata,
1