Engineers India Limited was established in 1965 to provide engineering and related technical services for petroleum refineries and other industrial projects.

In addition to petroleum refineries, with which EIL started initially, it has diversified into and excelled in other fields such as pipelines, petrochemicals, oil and gas processing, offshore structures and platforms, fertilizers, metallurgy and power. EIL now provides a complete range of project services in these fields and has emerged as Asia's leading design and engineering Company.

Engineers India Limited is diversifying into several new areas including Highways & Bridges, IT, Airports, Mass Rapid Transport Systems, Ports & Terminals, Power Projects, Non-conventional / Renewable Energy Sources, Specialist Materials and Maintenance Services, Intelligent Buildings, Water and Urban Development projects.

EIL's fields of activities include:

• Petroleum Refineries
• Pipeline
• Oil and Gas Processing
• Petrochemicals
• Offshore Structures & Platforms
• Ports & Terminals
• Metallurgy
• Fertilizers
• Power
• Highways & Bridges
• Airports
• Non Conventional / Renewable Energy Sources
• Intelligent Buildings & Urban Development

EIL provides the complete range of services needed to conceptualise, design, engineer and construct projects to meet the specific requirements of its clients. Its association with the clients extends beyond the commissioning of their plants through monitoring operation of each plant and accumulating feedback on performance. Lumpsum Turnkey projects from concept to commissioning is an area into which EIL has entered in a big way. EIL's quality management systems in respect of its services have been assessed and upgraded to ISO 9001:2000 version.

Besides its Head Office at New Delhi, EIL has branch office at Mumbai, zonal office at Kolkata , regional offices at Chennai and Vadodara and inspection offices at all major equipment manufacturing locations in India. It also has overseas offices at London, Abu Dhabi, Kuwait, Qatar, Malaysia and Australia. EIL has a large number of site offices in India and abroad.

EIL has two wholly owned subsidiaries, EIL Asia Pacific Sdn Bhd in Malaysia and Certification Engineers International Ltd. for undertaking independent certification & third party inspection assignments.