• 

  Nano-Micro

• 

  NATIONAL SEMICONDUCTOR CORPORATION

• 

  NEMIC LAMBDA

• 

  Ohmic Instruments

• 

  Oilfiled Microbiology Services LTD

• 

  Oleodinamica Geco

• 

  Oleodinamica O.R.T.A.

• 

  Oxyde Chemicals

• 

  Plessey Semiconductors

• 

  RFMD RF Micro Devices