• Bharat Heavy Engineering Ltd.
• Central Mechanical Engineering Research Institute (CMERI)
• McNally Bharat Engineering Company Ltd.
• MINT, Indian Government Mint
• VIP Industries, Nasik

Aero Space Industry

• ADA, Bangalore
• Hindustan Aeronautics Limited, Koraput, Lucknow, Korba
• ISRO

Telecommunication Industry

• Bharat Sanchar Nigam Limited (BSNL)
• Telecom Factory, Kolkata
• Telecom Factory, Jabalpur

Automobile Industry

• Caparo India limited, Jamshedpur
• Hindustan Motors, Kolkata
• Maruti Udyog Limited, Chennai
• RSB Global, Jamshedpur
• Sona Group, Chennai
• Tata Cummins, Jamshedpur.
• Tata Motors, Jamshedpur & Pune
• TELCON, Jamshedpur & Kharagpur
• Timken India Limited, Jamshedpur & Chennai
• TVS Lucas, Chennai

Steel Industry

• Tata Steel, Jamshedpur
• Usha Martin Limited, Jamshedpur
• Jindal Steel & Power Limited, Raipur

MSME Sector & Others

• Arun Mould, Mumbai
• Arvind Engineering, Kolkata
• ASB International Pvt. Ltd.
• Auto Profile Pvt. Limited, Jamshedpur
• Ceratizit India Pvt. Ltd.
• Cross Manufacturing Pvt.Ltd., Jamshedpur
• CTM India Ltd.
• Delhi Metro Rail Corporation
• Endurence Engg. Ltd.
• Highco Engineers Pvt. Limited, Jamshedpur
• HVTL, Jamshedpur
• IAL Jamshedpur
• Injectoplast Pvt. Ltd.
• Jaraikella Lumberman (India) Pvt. Ltd., Kolkata
• JMT Limited, Jamshedpur.
• JOST, Jamshedpur
• Makino India Pvt. Ltd., Bangalore
• Manual Forge, Jamshedpur
• Metalsa, Jamshedpur
• MINDA Industries Ltd. Gurgaon
• Nikunj, Mumbai
• Paul Engineering Pvt. Limited, Jamshedpur
• Praveen Engineering, Jamshedpur
• Pulse Vision Pvt. Ltd.
• Ramakrishna Forge Limited, Jamshedpur
• Rasandik Engineering, Delhi
• Sardul Auto Pvt. Limited, Jamshedpur
• Shivallik Power, Raipur
• Singhbhum Technocast Pvt. Limited, Jamshedpur
• S P Engineering Pvt. Limited, Jamshedpur
• Steel Strips Wheels Ltd., Jamshedpur
• Sudhisa Foundry, Jamshedpur
• Suhal Project Pvt. Limited, Jamshedpur
• Sujata Electrical Pvt. Limited, Kolkata
• Synthetic Moulders Limited Kolkata
• TTL, Jamshedpur.