HEI was originally set up in 1940 and has made rapid growth in the last seven decades. It has emerged as multi-product multi location Company in India. HEI is a diversified product company in rolling stocks such as wagons of all types, bogies, couplers, draft gears, railway track materials such as cast manganese steel crossings, weldable CMS crossings, heat treated welded crossings, thick web switches, diamond crossings, scissors cross over, steel castings, cables & conductors, insulators, gas-based chemicals, oil field chemicals, and jute products. HEI's Foundry is one of the largest in the private sector in India. It is the only Indian Foundry which has certification from Association of American Railroads USA for Systems & Products. It has been receiving Export Excellence Award from Government of India for the last nine consecutive years for Steel Castings. HEI's Foundry has exported cast steel bogies to USA, Australia, South Korea, Ukraine and Russia. HEI is the pioneer in introducing Cast Manganese Steel Crossings (Frogs), Asymmetrical Thick Web Switches and High Speed Turnouts in India. HEI is also the pioneer in introducing High Speed Container Flat Wagons having supplied more than 60 container rakes under World Bank Project in 1994. The Quality Management System (QMS) of HEI is approved by NQAQSR Certification to QMS Standard: ISO 9001:2008 IS ISO 9001:2008.