• 

  Jewell Instruments

• 

  Joseph Industries

• 

  JSP Industrial-Control

• 

  Kardier Industries

• 

  Kason Industries

• 

  Katy Instruments

• 

  KAWAKI MEASURING INSTRUMENT

• 

  Kayaba Industry

• 

  Keithley Instruments

• 

  KIHLSTRÖMS-SWEDEN