Indian Zonal Railways
- Central Railway
- East Central Railway
- East Coast Railway
- Eastern Railway
- North Central Railway
- North Eastern Railway
- North Western Railway
- Northeast Frontier Railway
- Northern Railway
- South Central Railway
- South East Central Railway
- South Eastern Railway
- South Western Railway
- Southern Railway
- Western Railway
Rail Coach Production Units
- Rail Coach Factory (RCF, Kapurthala)
- Integral Coach Factory (ICF), Chennai
- Modern Coach factory, Rail Bareli
- Chittaranjan Locomotive Works (CLW, Chittaranjan)
- Diesel Locomotive Works (DLW), Varanasi
- Diesel Component Works (DCW), Patiala
BSNL
- CGMT, Kolkata Telephones
- CGMTS, Guwahat
- CGMTs, Jammu
- Bsnl, Bhopal
Defence
- Central ordinance depot, Agra
- Central ordinance depot, Abod
- Central ordinance depot, Pune
Power Sector
- State Electricity Boards like PSPCL, UPPCL etc.
- B.E.S.T (Brihanmumbai Electric Supply and Transport )
