• 

  Nikken Kosakusho Works Ltd

• 

  Yokota Seisakusho Co., Ltd.

• 

  Ltd. Kobata Keiki Seisakusho

• 

  Hirozawa Seiki Seisakusho

• 

  GMS hoses

• 

  Sakagami Seisakusho Co., Ltd.

• 

  TEITSU DENSHI KENKYUSHO CO.,LTD.

• 

  NIPPON DENSHOKU INDUSTRIES CO.、LTD.

• 

  SHOWA MEASURING INSTRUMENTS CO.,LTD

• 

  SHOOTING CHRONY