1. ATOMIC ENERGY, HYDERABAD .

2. BHABHA ATOMIC REASEARCH CENTRE, TROMBAY.

3. SPACE RESEARCH CENTRE, AHMEDABAD.

4. DEFENCE

5. INDIAN RAILWAYS

6. THERMAL POWER STATION, M. P.

7. AHMEDABAD ELECTRICITY BOARD, AHMEDABAD.

8. B. E. S. & T. AND B. S. E. S., MUMBAI.

9. SIEMENS ( INDIA )

10. LARSEN & TOUBRO LTD.,

11. TELCO, PUNE.

12. TAFE LTD., CHENNAI.

13. AUTOMATIC ELECTRIC LTD., MUMBAI.

14. EXPORTED TO MANY COUNTRIES THROUGH MERCHANTS.

15. MANY MORE REPUTED ELECTRICITY BOARDS & OTHER GOVT. & SEMI-GOVT. ESTABLISHMENTS.