- UTSUKI KEIKI
- EIWA
- OHNISHI SOKUTEI
- OKUMURA
- KISHI KEIKI
- KURAMOTO KEIKI
- SAGINOMIYA
- SANKYO
- TOKYO KEIKI
- TOYO ELECTORONICS
- TOKICO
- NAKAKITA
- NAGANO KEIKI
- NITTOH SEIKO
- NIPPON DANFOS
- HYODA KEIKI
- MITSUTOYO
- MITSUMOTO
- MUSASHINO
- MURAYAMA DENKI
- MEIYO DENKI
- RIKA DENKI
