• 

  Wilson-cousins

• 

  Wilson Instruments

• 

  Winsmith, Inc.

• 

  XRF Instrument

• 

  ZUMBACH instruments

• 

  Strata Mechanics Research Institute

• 

  Krautkramer (is now GE Sensing & Inspection Technologies)

• 

  Seojin Instech

• 

  M+W Instruments

• 

  ROCKWELL COLLINS INC.