Engineering companies based in Tokyo

is a Japanese multinational electronics corporation that manufactures electronic components and recording and data-storage media. Its motto is "Contribute to culture and industry through creativity".

thumb|Closeup of a YKK zipper on blue jeans The is a Japanese group of manufacturing companies. It is the world's largest zipper manufacturer, also producing other fastening products, architectural products, plastic hardware and industrial machinery.

Japanese electrical engineering company

radio company

Japanese electronics manufacturer

company

, previously Tokyo Hatsudoki Company, is a Japanese company manufacturing and selling outboard motors, pleasure boats, portable fire pumps, small fire trucks, pumps for construction and drainage, and refrigeration units for transportation. It also does real estate property management in Japan.

company

is an automotive aftermarket parts manufacturer and tuner of Toyota and Lexus vehicles, as well as a factory-backed racing team. The TOM'S head office is located in Tokyo, Japan.

is a Japanese global printing company. Toppan was founded in 1900 and is headquartered in Tokyo.

Japanese company producing electric light sources

(stands for SOFtware Engineering Laboratory) is a Japanese information technology company involved with business application systems development, multimedia service and system development, and the development of RFID services and systems. It was established in May 1979 to provide software such as COMPS to their major clients.