Japanese companies established in 1921

Japanese industrial machinery company

, originally and later , is a Japanese multinational manufacturing company for cycling components, fishing tackle and rowing equipment, which also produced golf supplies until 2005 and snowboarding gear until 2008. Named after founder Shozaburo Shimano (, 1894–1958) and headquartered in Sakai, Osaka Prefecture, the company has 49 consolidated subsidiaries, with the primary manufacturing plants based in Kunshan (China), Malaysia and Singapore.

Japanese electronics and electrical equipments manufacturing company

, publicly trading as , is a private railway company operating around Aichi Prefecture and Gifu Prefecture of Japan.

was founded in 1921 as Red Line Thermometer Corporation by a group of medical scientists led by Dr. Kitasato Shibasaburō to produce medical thermometers in Japan.

is a Japanese company that produces sewing machines, with manufacturing plants in Japan, Taiwan and Thailand.

Japanese electronics and optics company