• Ajanta Composite Pvt. Ltd.
  • BMC Metalcast Ltd.
  • Bina Metalway India Ltd.
  • International Auto Ltd.
  • JAMIPOL
  • JMT Auto Ltd.
  • Kross Manufacturers (I) Pvt. Ltd.
  • Model Heavy Fabrications Pvt. Ltd.
  • National Metallurgical Laboratory
  • Perfect Electric Concern Ltd.
  • Pritam Automech Pvt. Ltd.
  • RSB Transmission (I) Ltd.
  • S L Verma & Co.
  • Tata Cummins
  • Tata Electric Companies
  • Tata Pigments
  • Tata Refractories
  • Tata Robins Fraser
  • Tata Ryerson
  • Tata Steel
  • Tata Tinplate
  • Tata Tubes
  • Tata Yodogawa
  • Telco
  • Uranium Corporation of India Ltd.