1. BPCL Kochi Refineries Ltd., Ambalamugal, Kochi.
  2. FACT - Cochin Division, Ambalamugal, Kochi.
  3. Tuticorin Thermal Power Station, Tuticorin, Tamil Nadu.
  4. Hindustan Organic Chemicals Ltd, Kochi Unit, Ambalamugal, Kochi.
  5. Chennai Petroleum Corporation Ltd., Manali, Chennai (MRL).
  6. Thermax Engineering Construction Co. Ltd., Pune.
  7. Alstom Power Boilers Ltd., Calcutta.
  8. Bharath Heavy Electricals Ltd., Secundrabad.
  9. Kerala Minerals & Metals, Kollam.
  10. FACT Engineering WOrks, Udyogamandal, Kochi.
  11. Project Development India Ltd.
  12. Mangalore Refineries & Petrochemicals Ltd,. Mangalore.
  13. Panipat Refinery,IOCL, Panipat.
  14. Hindustan News Print Ltd., Mevalloor, Kottayam.
  15. Bharath heavy Plates & Vessels Ltd., Vishakapatnam.
  16. National Thermal Power Corporation Ltd., Kayamkulam.
  17. GEA Energy System Ltd., Chennai.
  18. Aban Power Plant Ltd., Thanjavore.
  19. Reliance Utilities & Power Ltd., Jamnagar, Gujarat.
  20. BSES Kerala Power Project Ltd., Pathalam, Udyogamandal.
  21. Sulzer India Ltd. Andheri, Mumbai.
  22. Travancore Cochin Chemicals Ltd.Udyaogamandal.