[3][5] It was set up in 1965 with the mandate of providing indigenous technology solutions across hydrocarbon projects.

[6] Over the years, it has also diversified into synergic sectors like non-ferrous metallurgy, infrastructure, water and wastewater management and fertilizers.

[7] EIL has a wholly-owned subsidiary Certification Engineers International Limited (CEIL).

[8] EIL was incorporated on March 15, 1965, as a private limited company under the name Engineers India Private Limited pursuant to a memorandum of agreement dated June 27, 1964 between the Government of India and Bechtel International Corporation.

[12] The company's research and development center in Gurugram is undertaking technology development both in-house and in collaboration with other organizations like IOCL-R&D, BPCL-R&D, IIP, CHT, HPCL, CPCL, NRL etc.