Top 10 Oil and Gas Companies in India You Should Know in 2026

India’s oil and gas industry is one of the most important pillars of the country’s energy infrastructure. From crude oil exploration and natural gas production to refining, transportation, and fuel distribution, the sector supports millions of businesses and consumers across the country.

With India’s growing energy demand, several major companies have established a strong presence across the oil and gas value chain.

In this article, we explore the Top 10 Gas and Oil Companies in India, including leading names in exploration, refining, petroleum marketing, natural gas, and energy infrastructure.

Why Is India’s Oil & Gas Industry Important?

The oil and gas sector supports a wide range of industries, including:

• Manufacturing

• Transportation and logistics

• Chemicals and petrochemicals

• Aviation

• Automotive

• Power and energy

• Construction

• Retail fuel distribution

As India's energy consumption continues to evolve, opportunities across the oil, gas, petroleum, refining, petrochemical, and energy infrastructure sectors continue to expand.

Top 10 Oil and Gas Companies in India: Leading Energy Companies

The Indian oil and gas market includes large public-sector enterprises as well as major private-sector companies. Here are the top 10 Oil and Gas Companies in India operating across different segments of the industry.

1. Indian Oil Corporation Limited (IOCL)

Indian Oil Corporation Limited (IOCL) is one of India’s largest integrated oil and gas companies. The company has a major presence across refining, pipeline transportation, petroleum marketing, and fuel distribution.

• Founded: 1959

• Headquarters: New Delhi

• Key Products: Petrol, diesel, LPG, aviation fuel, lubricants, and other petroleum products.

• Key Areas: Refining, pipelines, fuel marketing and distribution.

2. Oil and Natural Gas Corporation (ONGC)

Oil and Natural Gas Corporation (ONGC) is a leading Indian exploration and production company and one of the country's most important producers of crude oil and natural gas.

The company operates across both onshore and offshore oil and gas fields, contributing significantly to India's domestic energy production.

• Founded: 1956

• Headquarters: Dehradun, Uttarakhand

• Key Products: Crude oil and natural gas.

• Key Areas: Exploration and production.

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3. Bharat Petroleum Corporation Limited (BPCL)

Bharat Petroleum Corporation Limited (BPCL) is a major oil refining and marketing company in India. It operates across refining, fuel distribution, LPG, aviation fuel, and lubricants. BPCL has an extensive retail and distribution network serving customers across multiple regions.

• Founded: 1952

• Headquarters: Mumbai, Maharashtra

• Key Products: Petrol, diesel, LPG, aviation fuel and lubricants.

• Key Areas: Refining, marketing and distribution.

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4. Hindustan Petroleum Corporation Limited (HPCL)

Hindustan Petroleum Corporation Limited (HPCL) is another major public-sector oil company with operations spanning refining, petroleum product marketing, and distribution. Its extensive network makes HPCL an important player in India's fuel and energy ecosystem.

• Founded: 1974

• Headquarters: Mumbai, Maharashtra

• Key Products: Petrol, diesel, LPG, lubricants, and petroleum products.

• Key Areas: Refining, marketing, and distribution.

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5. Reliance Industries Limited (RIL)

Reliance Industries Limited (RIL) has a significant presence in India's oil-to-chemicals value chain. Its businesses include refining and petrochemicals, along with interests in oil and gas exploration and production. Its Jamnagar complex is a major part of India's refining and petroleum industry.

• Founded: 1966

• Headquarters: Mumbai, Maharashtra

• Key Products: Refined petroleum products, petrochemicals and related products.

• Key Areas: Refining, petrochemicals and oil & gas.

6. Gail (India) Limited

GAIL (India) Limited is one of India's leading natural gas companies, with major operations in gas transmission, marketing, processing, and related businesses. The company plays an important role in connecting natural gas suppliers with industrial, commercial, and other customers.

• Founded: 1984

• Headquarters: New Delhi

• Key Products: Natural gas, LPG and petrochemical products.

• Key Areas: Gas transmission, marketing and processing.

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7. Mangalore Refinery and Petrochemicals Limited (MRPL)

Mangalore Refinery and Petrochemicals Limited (MRPL) is a major refinery based in Karnataka and a subsidiary of ONGC.

The company processes crude oil into a range of petroleum products and also operates in the petrochemical segment.

• Founded: 1988

• Headquarters: Mangalore, Karnataka

• Key Products: Refined petroleum products, petrochemicals, and specialty products.

• Key Areas: Oil refining and petrochemicals.

8. Nayara Energy

Nayara Energy is an integrated downstream oil company with operations covering refining, petroleum product marketing, and related activities. Its refinery at Vadinar in Gujarat is an important part of India's petroleum refining landscape.

• Established: 1990

• Headquarters: Mumbai, Maharashtra

• Key Products: Petrol, diesel, and other refined petroleum products.

• Key Areas: Refining and fuel marketing.

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9. Numaligarh Refinery Limited (NRL)

Numaligarh Refinery Limited (NRL) operates a major refinery in Assam and contributes significantly to petroleum product supply in India's northeastern region. The company produces and markets several refined petroleum products.

• Founded: 1993

• Headquarters: Numaligarh, Assam

• Key Products: Petrol, diesel, LPG, and other petroleum products.

• Key Areas: Oil refining and petroleum products.

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10. IndianOil Tanking / Oil Storage & Infrastructure Companies

Oil storage and transportation infrastructure plays a critical role in India's petroleum supply chain. Companies operating in this segment support the storage, handling, and movement of crude oil and petroleum products between production, refining, and distribution facilities.

• Founded: 1998

• Headquarters: New Delhi

• Key Activities: Oil storage, terminal operations, and transportation infrastructure.

• Key Areas: Petroleum logistics and infrastructure.

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Frequently Asked Questions

Q1. Which are the top gas and oil companies in India?

Some of the prominent names include IOCL, ONGC, BPCL, HPCL, Reliance Industries, GAIL, MRPL, Nayara Energy, and Numaligarh Refinery.

Q2. What does the gas and oil industry include?

The industry covers exploration, production, refining, natural gas processing, transportation, storage, distribution and petroleum marketing.

Q3. How can I find oil and gas companies in India?

You can use industry-specific business directories and targeted B2B databases to identify companies and potential business contacts across the oil and gas sector.

Q4. Can I get an oil and gas company database for marketing?

Yes. 99DataCD provides targeted business databases designed to support B2B marketing, sales prospecting, and lead-generation activities.

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