RITES Limited, (earlier known as Rail India Technical and Economic Service) is an engineering consultancy company, specializing in the field of transport infrastructure. Established in 1974 by the Government of India, 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. Recently on-shore WDS6 Diesel Loco Leasing service has been introduced. It has been 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 30 countries