Ircon International Limited, formerly Indian Railway Construction Company Limited (IRCON), is an engineering and construction, specialized in transport infrastructure. The PSU was established in 1976, by the Government of India under the Companies Act 1956. IRCON was registered as the Indian Railway Construction International Ltd., a wholly (100%) owned entity of the Ministry of Railways.

Its primary charter was the construction of railway projects in India and abroad. Ircon has since diversified into other transport and infrastructure segments and with its expanded scope of operations around the world, the name was changed to Indian Railway International Ltd. in October 1995.

The Ircon is well known for undertaking challenging infrastructure projects, especially in difficult terrains in India and abroad. Ircon has completed over 1250 major infrastructure projects in India and over 200 major projects across the globe in more than 31 countries.