BEL, the PSU behemoth , established to meet the specialized electronic equipment requirements of the Indian Defence Services and off late for the civilian market – acts as master system integrator to Indian defence and strategic industries . 

QCS , being an empanelled vendor of BEL has been working  with multiple divisions of BEL  to execute  ICT infrastrure  projects of their clients – spanning IT systems, IP surveillance, access control ,cyber security , Wireless and networking area ..