India is home to some of the most influential corporations in the world. These companies drive the economy, shape industries, and influence millions of lives. In this article, we explore the top 10 biggest companies in India, ranked by market capitalization and business impact.
1. Reliance Industries Limited (RIL)
Overview
Reliance Industries is the largest company in India by market cap. Founded by Dhirubhai Ambani, RIL operates across energy, petrochemicals, textiles, natural resources, retail, and telecommunications.
Key Highlights
- Market Cap: Over INR 18 trillion
- Chairman: Mukesh Ambani
- Major Sectors: Oil & Gas, Retail, Telecom (Jio)
- Headquarters: Mumbai
Why It Matters
RIL’s investments in Jio and retail have redefined the Indian digital and consumer landscape, making it a key player in multiple sectors.
2. Tata Consultancy Services (TCS)
Overview
TCS is the IT services flagship of the Tata Group. It is one of the largest IT services companies globally.
Key Highlights
- Market Cap: Over INR 13 trillion
- CEO: K. Krithivasan
- Major Sectors: IT Services, Consulting
- Headquarters: Mumbai
Why It Matters
TCS is the backbone of India’s global IT presence, serving Fortune 500 clients and constantly innovating in AI and cloud computing.
3. HDFC Bank
Overview
India’s largest private sector bank by assets, HDFC Bank plays a critical role in financial services.
Key Highlights
- Market Cap: Over INR 11 trillion
- CEO: Sashidhar Jagdishan
- Major Sectors: Retail Banking, Corporate Banking
- Headquarters: Mumbai
Why It Matters
With a vast customer base and digital-first approach, HDFC Bank is setting the benchmark in banking efficiency and customer service.
4. ICICI Bank
Overview
ICICI Bank is another leading private sector bank with a strong retail and corporate presence.
Key Highlights
- Market Cap: Around INR 7 trillion
- CEO: Sandeep Bakhshi
- Major Sectors: Retail Banking, Wealth Management
- Headquarters: Mumbai
Why It Matters
ICICI’s tech-driven growth and diversified portfolio make it a major force in India’s banking ecosystem.
5. Infosys Limited
Overview
Infosys is a global leader in consulting, technology, and outsourcing solutions.
Key Highlights
- Market Cap: Around INR 6.5 trillion
- CEO: Salil Parekh
- Major Sectors: IT Services, Digital Transformation
- Headquarters: Bengaluru
Why It Matters
Infosys continues to be a pioneer in digital services and maintains a strong global presence.
6. Hindustan Unilever Limited (HUL)
Overview
HUL is India’s largest fast-moving consumer goods (FMCG) company.
Key Highlights
- Market Cap: Around INR 6 trillion
- CEO: Rohit Jawa
- Major Sectors: Consumer Goods, Food, Personal Care
- Headquarters: Mumbai
Why It Matters
With iconic brands like Dove, Surf Excel, and Lifebuoy, HUL touches the lives of millions daily.
7. State Bank of India (SBI)
Overview
SBI is India’s largest public sector bank, serving over 45 crore customers.
Key Highlights
- Market Cap: Around INR 6 trillion
- Chairman: Dinesh Kumar Khara
- Major Sectors: Retail Banking, Corporate Finance
- Headquarters: Mumbai
Why It Matters
SBI plays a vital role in financial inclusion and public sector banking in India.
8. Bharti Airtel
Overview
One of India’s top telecom companies, Bharti Airtel offers mobile, broadband, and enterprise services.
Key Highlights
- Market Cap: Over INR 5.5 trillion
- Chairman: Sunil Bharti Mittal
- Major Sectors: Telecom, Digital Services
- Headquarters: New Delhi
Why It Matters
Airtel is a major player in India’s 5G rollout and continues to lead in innovation and customer service.
9. ITC Limited
Overview
ITC is a diversified conglomerate with businesses in FMCG, hotels, paperboards, and agribusiness.
Key Highlights
- Market Cap: Over INR 5 trillion
- Chairman: Sanjiv Puri
- Major Sectors: FMCG, Hospitality
- Headquarters: Kolkata
Why It Matters
ITC’s pivot from cigarettes to FMCG and digital agri-tech has made it a diversified powerhouse.
10. Larsen & Toubro (L&T)
Overview
L&T is India’s leading engineering and construction conglomerate.
Key Highlights
- Market Cap: Around INR 4.5 trillion
- CEO: S.N. Subrahmanyan
- Major Sectors: Infrastructure, Engineering, Defence
- Headquarters: Mumbai
Why It Matters
L&T’s influence spans from metro projects to defence tech, making it indispensable to India’s infrastructure growth.
FAQs on the Top 10 Biggest Companies in India
1. Which is the largest company in India by market cap?
Reliance Industries Limited (RIL) holds the top spot with the highest market capitalization.
2. What are the main sectors driving these top companies?
The main sectors include IT services, banking, telecom, FMCG, energy, and infrastructure.
3. Are these companies globally recognized?
Yes, companies like TCS, Infosys, and Reliance have significant global footprints.
4. How are market capitalization and company size related?
Market capitalization reflects the total value of a company’s shares, indicating its overall market size.
5. What is the role of public sector companies in the top 10?
State Bank of India (SBI) is the top public sector enterprise on the list, showcasing the strength of government-backed financial institutions.