Central Railway

Chittaranjan Loco Works

Centre for Railway Information Systems

Indian Railways Portal

East Central Railway

Diesel Locomotive Works

Container Corporation of India Limited

Railway Board

East Coast Railway

Diesel-Loco Modernisation Works

IRCON International Limited

Metro Railway,Kolkata

Eastern Railway

Integral Coach Factory

Indian Railway Catering and Tourism Corporation Limited

Indian Railway E-Procurement

North Central

Northern Railway Carriage and wagon Workshop Lucknow

Indian Railway Finance Corporation

National Train Enquiry System

North Eastern Railway

Rail Coach Factory

Indian Railway Welfare Organisation

 Central Organization for Railway Electrification(CORE)

North Western

Rail Wheel Factory

Konkan Railway Corporation's

Darjeeling Himalayan Railway

Northeast Frontier Railways

Mumbai Railway Vikas Corporation

Indian Railway Central Organization for Telecom

Northern Railway

Railway Staff College Vadodra

Rail Vikas Nigam Limited

National Rail Museum Sites

South Central Railway

Indian Railway Institute Of Transport Management(IRITM)

RAILTEL Corporation of India Limited

Indian Railway Traffic Service Association(IRTS)

South East Central Railway

Indian Railway Institute Of Signal Engineering and Telecommunications(IRISET)

RITES Limited

Palace on Wheels

South Eastern Railway

Indian Railways Institute of Electrical Engineering(IRIEEN)

Railway Board Claims website

South Western

Indian Railways Institute of Mechanical and Electrical Engineering(IRIMEE)

 Rail Tourism

Southern Railway

Indian Railway Institute Of Civil Engineering(IRICEN)

Delhi Metro Rail Corporation

West Central

Research Design and Standards Organization(RDSO)

Central Organisation For Modernisation of Workshops(COFMOW)

Western Railway

Institute of Rail Transport