The combined revenue of Tata Companies for Year ending March 2021 was 103 Billion USD. Tata Group directly not listed on stock exchanges. Its subsidiary companies like TCS, Tata Power, Tata Motors, Tata Steel, Tata Chemicals, Tata Consumer Products
The combined market cap of Tata companies was $242 billion (INR 17.8 trillion) as on March 31, 2021.
66% of Tata Sons is owned by trusts.
The Tata Trusts promote education, health, culture and livelihood initiatives in India.
Tata Group subsidiaries has presence in business verticals of
RELIANCE INDUSTRIES is a Multi-Sector company with spread of business in Retail, Telecom, PetroChemicals, Energy, Textiles, Natural Resources with head quarters is in Mumbai of India. Reliance Industries employee count is 195,618 as on 2020. Now Reliance Industries can also be considered as a Technology company, as it created wonders in Telecom sector of India and providing high speed mobile internet at cheap cost.