SAIL - Durgapur Steel Plant, IISCO SAIL - Burnpur, Bokaro Steel Plant, Rourkella Steel Plant, Bhilai Steel Plant, Visakhapatnam Steel Plant/RINL, TATA Steel, TATA - BSL Etc.

HPSEB, MPPGCL, NHPCL Etc.

BHEL Group of Plants (BHOPAL, HARIDWAR, TRICHI, JHANSI, BANGALORE & Others), BEML, TATA Motors, Hindustan Unilever, BEML (Bangalore), Texmaco Ltd. & Others

MOIL Ltd., IISCO - SAIL (Chasnalla), Bharat Coaking Coal Ltd., Eastern Coal Fields Ltd., Mahanadi Coal Field Ltd., South Eastern Coal Fields Ltd., HCL (Copper Mine) & Others

India Govt. Mint (KOLKATA. NOIDA), Rifle Factory (ICHAPUR), Currency Note Press (NASHIK), Air Force (BARRACKPORE), Bank Note Press, Govt. of India Defence Workshops, Hindustan Aeronautics Ltd. (HAL) & Others

Integral Coach Factory, Rail Coach Factory (KAPURTHALA), DCWS, DMW (PATIALA), DLW (VARANASI), CLW, Eastern Rly. Zonal Workshops, South-Eastern Rly. Zonal Workshops, Metro Railways Etc.

Haldia Port Trust, Calcutta Port Trust, Chennai Port Trust & Others

BHEL, CVRDE (Defence), DPL (Durgapur), Kolaghat Thermal Power Station (KTPS), IITs, Eastern Command and TOTO Vehicle Users Etc.