Rail India Technical and Economic Service Limited, abbreviated as RITES Ltd, is an Indian public sector undertaking and engineering consultancy corporation, specializing in the field of transport infrastructure. Established in 1974 by the Indian Railways, the company's initial charter was to provide consultancy services in rail transport management to operators in India and abroad. RITES has since diversified into planning and consulting services for other infrastructure, including airports, ports, highways and urban planning. On-shore WDS6 Diesel Loco Leasing service has been introduced. It was awarded the status of Miniratna in 2002.

It has executed projects in over 62 countries on every major continent. As of 2011, it was executing projects in over 55 countries.

The company got listed on both the major stock exchanges in India on July, 2018.