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DualStar Technologies Corp. (OTCBB: DSTR) designs and installs infrastructure systems and provides services that control and enhance the environment in buildings. DualStar's construction subsidiaries (High-Rise Electric, Inc., Centrifugal/Mechanical Associates, Inc., Integrated Controls Enterprises, Inc. and BMS Electric, Inc.) provide systems and services encompassing electrical contracting, heating, ventilation and air conditioning (HVAC), building control and energy management (BMS), and fire and security. DualStar's common stock is traded on the OTC Bulletin Board under the symbol DSTR.