- TOMINAGA ELECTRIC CO., LTD
- Address:2-11-8, Sotokanda,
- ACE INDUSTRY LIMITED
- Address:5137-1, Tana
- SOUDEN SANGYO CORPORATION
- Address:10, Ha, Fukuhisamachi
- TOKUSHU KINZOKU EXCEL CO., LTD.
- Address:Mejiro Hakubutsukan Bldg. 5F, 1-4-25, Mejiro
- KANETSU CO.,LTD
- Address:1, Toyodacho, Nishikujo, Minami-ku,
- DENSO CORPORATION
- Address:2-3-6, Sotokanda
- 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