India, one of the fastest-growing economies globally, boasts a vibrant business landscape that is home to a multitude of successful enterprises spanning various sectors. These companies not only drive economic growth but also play a pivotal role in shaping India’s business landscape and influencing global markets. Here, we delve into the top 10 companies that stand as the pillars of India’s corporate sector:
India’s corporate landscape is dominated by giants like Reliance Industries, Tata Group, and HDFC Bank, reflecting diverse sectors from telecommunications to banking and conglomerates. These entities drive economic growth, innovation, and job creation, embodying India’s entrepreneurial spirit on both domestic and global scales. Their influence extends far beyond borders, shaping the nation’s economic trajectory and global competitiveness.
Reliance Industries Limited (RIL), led by Mukesh D. Ambani, is recognized as India’s biggest company by market capitalization. Founded in 1958, it operates in energy, petrochemicals, textiles, retail, and telecommunications, showcasing a powerful and diverse business portfolio. Despite challenges like the stalled $15 billion deal with Saudi Aramco, Reliance continues to grow through its subsidiaries such as Jio and Reliance BP Mobility Ltd., driving innovation and global partnerships.
Here are the key facts related to Reliance Industries, the largest company of India:
Reliance Industries with the market capitalization of Rs.17.97 crore claims the title of the biggest company in India, followed by TATA Consultancy Service, HDFC Bank, and ICICI Bank.
Here is the list of top-10 largest companies in India 2025:
| LARGEST COMPANIES IN INDIA 2025 | |||
| Rank | Company | Sector | Market Capitalization (in INR, Lakh, Crore) |
| 1. | Reliance Industries | Oil Exploration and Production | 17.97 |
| 2. | TATA Consultancy Services | Information Technology | 13.96 |
| 3. | HDFC Bank | Banking | 10.86 |
| 4. | ICICI Bank | Banking | 7.21 |
| 5. | Infosys | Information Technology | 6.81 |
| 6. | Bharti Airtel | Telecommunications | 6.50 |
| 7. | ITC | Consumer Goods | 5.73 |
| 8. | Hindustan Unilever (HUL) | Consumer Goods | 5.57 |
| 9. | LIC India | Insurance | 5.52 |
| 10. | State Bank of India (SBI) | Banking | 5.40 |
Sector: Oil Exploration and Production
Market Capitalization: Rs. 17.97 Crore
Reliance Industries, led by CEO Mukesh D. Ambani, stands as India’s largest company, founded in 1958. Operating across diverse sectors including energy, petrochemicals, retail, and telecommunications, its market cap reflects its vast operations. Despite a $15 billion deal with Saudi Aramco put on hold due to COVID-19, its subsidiaries like Jio attract investments from tech giants, and Reliance BP Mobility Ltd. introduces advanced fuel technology. Reliance Retail collaborates with international designers, expanding its reach in India.
Sector: Information Technology
Market Capitalization: Rs. 13.96 Crore
TATA Consultancy Services (TCS), led by CEO K. Krithivasan, stands as India’s second-largest company, established in 1968 under the Tata Group. Specializing in IT services and solutions, TCS commands a significant market capitalization in the IT sector. Its partnerships with entities like NEST in the UK and Marks & Spencer underscore its global reach and innovative capabilities. Additionally, TCS sponsors marathons worldwide, promoting health and community engagement.
Sector: Banking
Market Capitalization: Rs. 10.86 Crore
HDFC Bank, under CEO Sashidhar Jagdishan, stands as India’s third-largest company, founded in 1977. As the largest private bank in India by assets, HDFC Bank offers a diverse suite of financial services catering to both retail and corporate clients. Its recent merger with HDFC Ltd. underscores its strategic growth trajectory, making it the seventh-largest bank globally and the largest in India by market cap.
Reliance Industries with the market capitalization of Rs.17.97 crore claims the title of the biggest company in India.
Apple Inc. is the biggest company in the world by market cap. The company is renowned for its groundbreaking products, such as the iPhone, iPad, and Mac, and they consistently push the boundaries of technology innovation.
TATA Consultancy Services (TCS), led by CEO K. Krithivasan, stands as India's second-largest company, established in 1968 under the Tata Group.
At the top is the multinational conglomerate Reliance Industries. The company operates in diverse sectors, including energy, petrochemicals, natural gas, retail, telecommunications, mass media, and textiles.
The top-5 largest companies in India are: Reliance Industries, TATA Consultancy Services, HDFC Bank, ICICI Bank, and Infosys.
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