"Our Business Is Customer Satisfaction" Low Voltage Switchgear Components, Motor Control Gear, Generator Control, Industrial Automation, Energy and Building Management, Protection and Safety devices. Since 1992, Sigma Engineering Services has been successfully operating the field of Switchgear and industrial automation. We deal in a world’s trusted brand Schneider Electric. We are authorized official distributor marketing and stockiest business partner of Schneider Electric in Pakistan. Our regional office is located in Lahore.