• 

  Composite Materials Corp.

• 

  Compressor Controls Corporation

• 

  Comprevac

• 

  Compteurs Schlumberger

• 

  Comstars

• 

  COMTAC UNLIMITED INC

• 

  Comus

• 

  Control Components INC

• 

  Conveyor Components Company

• 

  Cooper Turbocompressor