Beran Instruments Ltd, Helitune Ltd and Prosig Ltd are three of the UK operating companies of Condition Monitoring Technology Group Ltd. (CTMG), based in Torrington, North Devon, and Fareham, Hampshire respectively. CTMG is where world-class condition monitoring solutions for the aviation, power generation and automotive industries are designed, manufactured and supported. CMTG also has additional facilities in UK, France, Germany, USA and Italy.