• Bhabha Atomic Research Center
  • Bharat Electronics Ltd.
  • Bharat Heavy Electricals Ltd.
  • Bharat Sanchar Nigam Ltd.
  • Delhi Metro Rail Corporation
  • Electronics Corporation Of India Limited
  • Electronics & Radar Development Establishment
  • Garden Reach Shipbuilders & Engineers Ltd.
  • Gas Authority Of India Ltd.
  • Goa Shipyard Ltd.
  • Indian Navy
  • Instrumentation Limited, Kota
  • ITI Limited
  • Mahanagar Telephone Nigam Limited
  • Mazagoan Dockyard Ltd.
  • Naval Physical Oceanographic Laboratory
  • Nuclear Power Corp. of India Ltd.
  • Oil & Natural Gas Corporation Ltd.
  • Power Grid Corporation of India Ltd.
  • Steel Authority of India Ltd.
  • Under Water Ranges, Goa
  • Videsh Sanchar Nigam Ltd.
  • Alcatel-Lucent India Ltd.
  • ABB Ltd.
  • Alstom Transport Ltd.
  • Areva T&D Ltd.
  • Bharti Airtel Ltd.
  • Bharti Cellular Ltd.
  • Bharti Shipyard Ltd.
  • Bombardier Transportation Ltd.
  • Dishnet Aircell Ltd.
  • Ericsson
  • Essar Power Ltd.
  • FCI OEN Connectors Ltd.
  • Hindustan Dorr-Oliver Limited
  • Larsen & Toubro Limited
  • Lucent Technologies India Ltd.
  • Midas Communications Ltd.
  • Alcatel-Lucent India Ltd.
  • ABB Ltd.
  • Alstom Transport Ltd.
  • Areva T&D Ltd.
  • Bharti Airtel Ltd.
  • Bharti Cellular Ltd.
  • Bharti Shipyard Ltd.
  • Bombardier Transportation Ltd.
  • Dishnet Aircell Ltd.
  • Ericsson
  • Essar Power Ltd.
  • FCI OEN Connectors Ltd.
  • Hindustan Dorr-Oliver Limited
  • Larsen & Toubro Limited
  • Lucent Technologies India Ltd.
  • Midas Communications Ltd.