India is the fastest-growing large economy. Indian companies play a key role in upholding this growth trajectory. There is a correlation between India’s economic growth and the performance of its business. The corporate sector not only contributes to the country’s Gross Domestic Product but also helps to create employment opportunities, resulting in an increasing per-capita income and standard of living.
However, some top Indian companies have carved out a unique place in the Indian market due to their extensive and robust contributions. Their contributions to the Indian growth story are tremendous, ranking them as the top companies in the Indian stock market.
This blog explores the top 10 companies in the Indian stock market. These corporations played critical roles in India’s growth story.
TATA Sons
Charitable trusts own 66% of Tata Sons’ equity share capital. These organisations promote income creation, education, health, arts and culture. TATA Sons is the first multinational conglomerate in India
Being a private company, TATA Sons is not listed on the stock market, resulting in some debate.
TATA Sons and Public listing
The company was categorised as an NBFC-UL in September 2022. Non-Banking Financial Company (NBFC) in the Upper Layer implies that the company faces greater RBI oversight. The company must be listed on stock markets within three years following RBI standards. Tata Sons has appealed to the RBI in an attempt to have its NBFC registration revoked.
Individuals invest in TATA through its various subsidiary companies. The three major TATA companies are listed below.
The Tata Motors Group is among the leading global automakers. It provides the global market with a broad range of cars, trucks, buses, sports utility vehicles, and defence vehicles.
Tata Consultancy Services provides business solutions, IT services, and consulting. TCS provides a comprehensive mix of business, technology, and engineering solutions.
TATA Steel operates at all stages of the steel manufacturing cycle. By 2025, the business wants to boost local steel production to 30 MnTPA.
Reliance Industries
Dhirubhai Ambani started Reliance. The Ambanis owns approximately 50% of the company. The company has a diverse presence, ranging from retail, telecom, media, and much more.
The company has revolutionised India’s telecom space through Jio. It made the internet faster and cheaper. Thus playing a key role in the country’s Digital India initiative.
HDFC Bank
The Indian banking and financial services firm HDFC Bank Limited, commonly referred to as HDFC has its main office in Mumbai. The bank ranks first among private banks in India based on market capitalisation (as of January 2025). It is one of the global leaders.
Infosys
Infosys ranks second in the information technology service. The company was incorporated over forty years ago and pioneered India’s information technology industry. The company, with its flagship Global Delivery Model, became the first Indian IT company to be listed on NASDAQ.
In the Global 500 2025 report, the company ranked among the top 3 IT services globally by Brand Finance. The company achieved this milestone for the fourth year in a row.
Also read: What is Fundamental Analysis? Tools Every Trader Should Know.
State Bank of India
One of the Fortune 500 companies is the State Bank of India. With its main office in Mumbai, it is a statutory authority for public sector banking and financial services in India. With more than ₹ 61 trillion in assets, the business is the biggest provider of banking and financial services in India.
Hindustan Unilever
Hindustan Unilever operates in the FMCG industry. The corporation mainly functions in India and has production sites spread across the nation. The company is the proprietor of household names like Lifebuoy and Surf Excel.
Also read: List of FMCG Stocks in India 2025
ITC Limited
ITC Limited is a multinational conglomerate founded in 1910 and operates businesses in the FMCG, hotel, paperboard and packaging, agribusiness, and information technology sectors.
The groundbreaking E-Choupal initiative of the company creates a digital link to rural farmers for procurement.
Larsen and Turbo
One of the leading businesses in India’s private sector is Larsen & Toubro Limited, which has its headquarters in Mumbai. With more than 80 years of expertise, the firm has offices and clients in more than 30 countries, as well as production facilities in strategic regions. The company has iconic projects like the Bombay Worli Sea Link.
Also read: Introduction to technical analysis.
Mahindra and Mahindra
Mahindra & Mahindra Ltd is one of India’s most diverse vehicle companies, with a product portfolio ranging from two and three-wheelers, PVs, CVs, tractors, and earthmovers. It is divided into three business segments. The segments are Farm Equipment, Automotive, and Others. Automobiles, car parts, and associated services are sold within the automotive category. The company is the largest tractor manufacturer by volume.
Coal India Limited
Coal India Ltd.’s primary activities are coal mining, coal production, and coal washery operations. The steel and electricity industries are the company’s biggest customers. Cement, fertiliser, brick kilns, and other products are used by consumers from other industries. It is a “Maharatna” business that is part of the Government of India’s Ministry of Coal. In addition to being one of the biggest corporate employers, CIL is the world’s largest coal producer.
Indian Oil Corporation
The government controls Indian Oil Corporation Ltd., a Maharatna company. It holds the top spot in India’s oil refining and petroleum marketing industry. It possesses a strong portfolio of 1636 patents. In FY24, it invested ₹946 Cr in R&D. It is the biggest oil refining company in the country.
Dr. Reddy’s Labs
A well-known pharmaceutical firm with headquarters in India, Dr Reddy’s Laboratories Ltd. provides a range of goods and services, such as generics, biosimilars, active pharmaceutical ingredients (APIs), custom pharmaceutical services (CPS), and unique formulations. It is a major global supplier of generics.
BHEL
The biggest engineering and manufacturing company in India, Bharat Heavy Electricals Ltd., works in the infrastructure, industries, and energy sectors. The business was founded in 1964. Over 1,97,000 MW of BHEL-supplied power-generating equipment are deployed globally. Except for renewables, BHEL holds a 55% installed capacity share in India’s utility power sector.
Also read: Assessing Risk Levels in Stock Investments.
Bottomline
The companies listed in the blog have significant contributions to nation-building. They provide investors an opportunity to derive sustainable returns from the giants of the Indian business landscape. The top 10 companies in the Indian stock market stay ahead of the curve, and through their innovation, ensure capital appreciation in an ever-changing business environment. The expert opinions might enable investors to make prudent investments in the top Indian companies.
