Last Updated on March 4, 2026 by Admin
India is the world’s third-largest consumer of oil and the fourth-largest crude oil refiner globally. The oil and gas sector is one of India’s eight core industries, directly influencing everything from infrastructure development to manufacturing, transportation, and construction.
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With oil demand projected to reach 5.99 million barrels per day in 2026 (according to OPEC estimates) and the oil and gas market valued at approximately USD 23.28 billion in 2025 (expected to reach USD 29.74 billion by 2030), the sector continues to be one of the most promising avenues for investment and employment in India.
This guide provides a comprehensive, updated list of the top 75+ oil and gas companies in India for 2026, along with sector insights, career opportunities, hiring trends, and recommended courses to help you break into or advance within this high-growth industry.
🛠️ Looking to build a career in the energy and construction sector? ConstructionCareerHub.com offers AI-powered tools including ATS-Ready Resume Lab, Interview Copilot, and Campus Placement Prep — built specifically for construction and energy professionals. Visit ConstructionCareerHub.com to get started.
Snapshot of India’s Oil & Gas Sector: Key Data for 2025–2026
Below is a summary of the most important statistics defining India’s oil and gas landscape as of early 2026, sourced from government agencies and international bodies.
| Parameter | Value | Source |
| Oil Demand (2026 Projected) | 5.99 million barrels per day | OPEC |
| Market Size (2025) | USD 23.28 billion | Mordor Intelligence |
| Crude Oil Reserves (Jan 2025) | 651.8 MMT recoverable reserves | IBEF / Invest India |
| Natural Gas Reserves (Jan 2025) | 1,138.6 Billion Cubic Metres (BCM) | IBEF / Invest India |
| Crude Oil Production (FY 2024-25) | 28.7 MMT | Invest India |
| Natural Gas Production (FY 2024-25) | 36.1 BCM | Invest India |
| Crude Oil Imports (FY 2024-25) | 243.2 MMT | Invest India |
| Total Refining Capacity (FY25) | 258.1 MMTPA across 23 refineries | IBEF |
| Natural Gas Pipeline Network | 34,233 km authorised; 10,805 km under construction | ICLG / IBEF |
| FDI Inflows (Apr 2000 – Mar 2025) | Rs. 43,906.76 crore (US$ 8.22 billion) | DPIIT / IBEF |
| Planned Investment by 2035 | Rs. 30–35 lakh crore (US$ 348–406 billion) | IBEF |
| LNG Import Terminals | 8 operational terminals | ICLG |
| Natural Gas Demand Target (2030) | 297 mmscmd (up from 188 mmscmd in FY24) | IBEF |
| Gas Share in Energy Mix Target | From 6% to 15% by 2030 | Ministry of Petroleum |
For the latest monthly data, visit the Petroleum Planning & Analysis Cell (PPAC) at ppac.gov.in and the Ministry of Petroleum & Natural Gas Year-End Review at pib.gov.in.
Key Government Policies & Developments Driving Growth
- 100% FDI Allowed: The government permits 100% Foreign Direct Investment in natural gas, petroleum products, and refineries. The FDI limit for public sector refining projects has been raised to 49%.
- Hydrocarbon Exploration & Licensing Policy (HELP): HELP introduced revenue-sharing contracts replacing production-sharing contracts. Under the Open Acreage Licensing Policy (OALP), the 10th round was launched in February 2025, offering 25 blocks covering 1,91,986 sq. km.
- One Nation, One Grid, One Tariff: The PNGRB introduced a Unified Tariff framework to expand the natural gas pipeline network by 10,805 km, lowering gas transportation costs nationwide.
- Ethanol Blending Programme: India achieved 16.23% ethanol blending as of December 2024, with a 20% target for 2025-26. E20 petrol is available at over 17,400 retail outlets.
- Strategic Petroleum Reserves: Union Budget FY26 allocated Rs. 5,597 crore for Phase II of underground petroleum storage expansion, with plans to commercialise 50% of reserves.
- Green Hydrogen & Clean Energy: Oil & Gas PSUs have planned 900 KTPA Green Hydrogen Projects by 2030. Partnerships with global firms for sustainable aviation fuel are underway.
Source: PIB Year End Review 2024 | IBEF Oil & Gas Report | Invest India
Related: Careers in the Oil and Gas Industry [An Ultimate Career Guide 2026]
Understanding the Oil & Gas Value Chain: Upstream, Midstream & Downstream
To make sense of the companies listed below, it helps to understand the three segments of the oil and gas industry:
- Upstream (Exploration & Production): Companies involved in finding and extracting crude oil and natural gas. Examples: ONGC, Oil India, Cairn India, Reliance (KG-D6 block).
- Midstream (Transportation & Storage): Companies that transport, store, and wholesale oil and gas products through pipelines, tankers, and terminals. Examples: GAIL India, Petronet LNG, Indraprastha Gas.
- Downstream (Refining & Marketing): Companies that refine crude oil into usable products (petrol, diesel, LPG) and market them. Examples: Indian Oil (IOCL), Bharat Petroleum (BPCL), Hindustan Petroleum (HPCL).
- Many of these companies are Maharatna, Navratna, or Miniratna PSU companies, while others are private sector giants like Reliance Industries and Adani Group.
Also Read: Top Oil and Gas Companies In The World [2026 Updated List]
🎓 Recommended Course: If you want to understand the oil and gas value chain from exploration to transport, enroll in “Oil & Gas Industry Operations and Markets” by Duke University on Coursera. It covers operations, market dynamics, and the economics of the sector.
Top 20 Major Oil and Gas Companies in India (2026)
These are the largest, most influential oil and gas companies operating in India, ranked by scale, market position, and strategic importance to India’s energy security.
| # | Company | HQ | Type | Segment | Key Highlights |
| 1 | Indian Oil Corporation Ltd (IOCL) | New Delhi | Public (Maharatna) | Downstream | India’s largest oil company by revenue (Rs. 8.85 lakh crore in FY24). Operates 11 refineries with 70.1 MMTPA capacity, 47,800+ fuel outlets. Fortune Global 500 listed. |
| 2 | Reliance Industries Ltd (RIL) | Mumbai | Private | Integrated | Operates the world’s largest single-location refinery at Jamnagar, Gujarat (68.2 MMTPA). Major KG-D6 deep-water gas producer with BP partnership. |
| 3 | Oil & Natural Gas Corp (ONGC) | Dehradun | Public (Maharatna) | Upstream | India’s largest E&P company, contributing ~71% of domestic crude production. Initiated 45+ exploration wells in early 2025. Subsidiary ONGC Videsh operates in 15 countries. |
| 4 | Bharat Petroleum Corp Ltd (BPCL) | Mumbai | Public (Maharatna) | Downstream | Operates refineries at Mumbai, Kochi, and Bina. Expanding into petrochemicals with new refinery-cum-petrochemical complex in Andhra Pradesh. |
| 5 | Hindustan Petroleum Corp Ltd (HPCL) | Mumbai | Public (Maharatna) | Downstream | Major refiner and marketer with refineries at Mumbai and Visakhapatanam. Diversifying into natural gas and alternative energy. |
| 6 | GAIL (India) Ltd | New Delhi | Public (Maharatna) | Midstream | India’s largest state-owned natural gas processing and distribution company. Operates 14,500+ km gas pipeline network. Starting 500 kt/yr PDH facility at Usar. |
| 7 | Oil India Ltd | Noida | Public (Maharatna) | Upstream | Second-largest national E&P company. Targeting 4 MMT crude and 5 BCM gas output. Rs. 7,500 crore capex for FY26. MoU with Petrobras for deepwater exploration. |
| 8 | Petronet LNG Ltd | New Delhi | Public | Midstream | India’s largest LNG importer. Operates the 17.5 MTPA Dahej terminal (one of the largest globally). Building 750 kt/yr PDH unit by 2026-27. |
| 9 | Chennai Petroleum Corp Ltd (CPCL) | Chennai | Public (IOCL subsidiary) | Downstream | Key refiner in South India serving domestic and export markets. Part of the Indian Oil group. |
| 10 | Mangalore Refinery & Petrochemicals Ltd (MRPL) | Mangalore | Public (ONGC subsidiary) | Downstream | 3 MMTPA capacity refinery complex with integrated petrochemical units. |
| 11 | Adani Total Gas Ltd | Ahmedabad | Private (JV with TotalEnergies) | Midstream/Downstream | Rapidly expanding city gas distribution network. Supplying piped natural gas (PNG) and CNG across multiple geographic areas. |
| 12 | Gujarat Gas Co Ltd | Ahmedabad | Private | Downstream | One of India’s largest city gas distribution companies supplying natural gas in Gujarat. |
| 13 | Indraprastha Gas Ltd (IGL) | New Delhi | Public | Downstream | Dominant CNG and PNG supplier in Delhi-NCR. Joint venture of GAIL and BPCL. |
| 14 | Mahanagar Gas Ltd | Mumbai | Public | Downstream | Leading city gas distributor in Mumbai metropolitan area for CNG and piped natural gas. |
| 15 | Gujarat State Petroleum Corp (GSPC) | Gandhinagar | State PSU | Upstream/Midstream | Active in exploration and production, especially in Gujarat. Also involved in LNG and power generation. |
| 16 | Cairn Oil & Gas (Vedanta) | Gurugram | Private | Upstream | Major E&P player operating Mangala Processing Terminal in Rajasthan. Planning 3,600 sq km 3D CSEM surveys in KG basin for 2026 drilling. |
| 17 | Essar Oil & Gas E&P | Mumbai | Private | Upstream | Leading player in coal bed methane (CBM) production and unconventional gas exploration. |
| 18 | Numaligarh Refinery Ltd (NRL) | Assam | Public (Oil India subsidiary) | Downstream | Strategic refining hub in North-East India with capacity expansion plans to double output. |
| 19 | HPCL-Mittal Energy Ltd | Noida | Private (JV) | Downstream | Joint venture refinery between HPCL and Mittal Energy operating a 11.3 MMTPA refinery in Bathinda, Punjab. |
| 20 | Castrol India | Mumbai | Private (BP subsidiary) | Downstream | Leading lubricant manufacturer and marketer in India. |
🎓 Upskill for Oil & Gas Careers: The “Petroleum Engineering with AI Applications” Specialization by L&T EduTech on Coursera covers exploration, drilling, midstream processing, and AI/ML applications in the petroleum industry. Ideal for engineers seeking to enter or advance in this sector.
For a hands-on career-oriented approach, try “Your Complete Guide to a Successful Career in Oil & Gas“ on Udemy by WR Training. It covers the entire value chain from refining to petrochemicals with real-world case studies.
Complete List of 75+ Oil and Gas Companies in India (2026)
Below is an expanded directory of oil and gas companies operating across India — including public sector undertakings, private corporations, joint ventures, and specialized oilfield services firms. Visit their official career pages to find current job openings.
| S.N. | Company Name | Headquarters | Website / Career Page |
| 1 | Indian Oil Corporation Ltd (IOCL) | New Delhi | iocl.com |
| 2 | Reliance Industries Ltd (RIL) | Mumbai | ril.com |
| 3 | Oil & Natural Gas Corporation (ONGC) | Dehradun | ongcindia.com |
| 4 | Bharat Petroleum Corporation Ltd (BPCL) | Mumbai | bharatpetroleum.com |
| 5 | Hindustan Petroleum Corporation Ltd (HPCL) | Mumbai | hindustanpetroleum.com |
| 6 | GAIL (India) Ltd | New Delhi | gailonline.com |
| 7 | Oil India Ltd | Noida | oil-india.com |
| 8 | Petronet LNG Ltd | New Delhi | petronetlng.in |
| 9 | Chennai Petroleum Corporation Ltd (CPCL) | Chennai | cpcl.co.in |
| 10 | Mangalore Refinery & Petrochemicals Ltd (MRPL) | Mangalore | mrpl.co.in |
| 11 | Adani Total Gas Ltd | Ahmedabad | adanitotalgas.com |
| 12 | Gujarat Gas Co Ltd | Ahmedabad | gujaratgas.com |
| 13 | Indraprastha Gas Ltd (IGL) | New Delhi | iglonline.net |
| 14 | Mahanagar Gas Ltd | Mumbai | mahanagargas.com |
| 15 | Gujarat State Petroleum Corporation | Gandhinagar | gspc.in |
| 16 | Cairn Oil & Gas (Vedanta) | Gurugram | cairnindia.com |
| 17 | Essar Oil & Gas E&P | Mumbai | essaroilandgas.com |
| 18 | Numaligarh Refinery Ltd (NRL) | Assam | nfrlindia.com |
| 19 | HPCL-Mittal Energy Ltd | Noida | — |
| 20 | Castrol India | Mumbai | castrol.com/india |
| 21 | Aban Offshore Ltd | Chennai | abanoffshore.com |
| 22 | ONGC Petro additions Ltd (OPaL) | Vadodara | oabordsource.in |
| 23 | Ratnagiri Gas & Power Pvt Ltd (RGPPL) | Ratnagiri | rgppl.com |
| 24 | Green Gas Ltd | Lucknow | gglonline.net |
| 25 | Hindustan Oil Exploration Company Ltd (HOEC) | Mumbai | hoec.com |
| 26 | Tata Petrodyne (Invenire Energy) | Mumbai | — |
| 27 | Delhi Aviation Fuel Facility Pvt Ltd | New Delhi | — |
| 28 | Savita Oil Technologies Ltd | Mumbai | savita.com |
| 29 | Petronet MHB Ltd | Mumbai | — |
| 30 | Projects & Development India Ltd (PDIL) | Noida | pdilin.com |
| 31 | South Asia LPG Company Pvt Ltd | Visakhapatnam | — |
| 32 | Bharat Oil & Waste Management Ltd | New Delhi | — |
| 33 | Aryatech Marine & Offshore Services | New Delhi | — |
| 34 | Aquarius International | Mumbai | — |
| 35 | GE Vernova (Oil & Gas India) | Coimbatore | gevernova.com |
| 36 | Offshore Infrastructures Ltd | Navi Mumbai | — |
| 37 | Bengal Sun Solar Energy India Pvt Ltd | Kolkata | — |
| 38 | Coastal Energen Pvt Ltd | Tamil Nadu | — |
| 39 | ENERGIVO OIL & GAS | Mumbai | — |
| 40 | Enerzytech Industries Pvt Ltd | Ahmedabad | — |
| 41 | EngiMates Resources & Energy Pvt Ltd | Vadodara | — |
| 42 | Focus Energy Ltd | Mumbai | — |
| 43 | General Energy Management Systems Pvt Ltd | Noida | — |
| 44 | Hardy Exploration & Production India | Chennai | — |
| 45 | Idemitsu Lube India Pvt Ltd | New Delhi | — |
| 46 | IoT Infrastructure & Energy Services Ltd | Mumbai | — |
| 47 | JGB International | Mumbai | — |
| 48 | Mantra Energy International | Kerala | — |
| 49 | Nafto Gaz India Pvt Ltd | Noida | — |
| 50 | OCS Services (India) Pvt Ltd | Mumbai | — |
| 51 | Plexus Infratech Pvt Ltd | New Delhi | — |
| 52 | Positron Energy Pvt Ltd | Ahmedabad | — |
| 53 | Pragati Power Corporation Ltd (PPCL) | New Delhi | — |
| 54 | Rasson Energy India Pvt Ltd | Ahmedabad | — |
| 55 | Raychem RPG (Oil & Gas Division) | Mumbai | — |
| 56 | S. Mark Oil Field Engineering Pvt Ltd | Ahmedabad | — |
| 57 | Sledgehammer Oil Tools Pvt Ltd | Faridabad | — |
| 58 | Spectron Engineers Pvt Ltd | Mumbai | — |
| 59 | SPS Enerpros (India) Pvt Ltd | New Delhi | — |
| 60 | Sun Petrochemicals Pvt Ltd | Mumbai | — |
| 61 | TAQA Neyveli Power Co Pvt Ltd | Chennai | — |
| 62 | Technical GreenC Solutions Pvt Ltd | Mumbai | — |
| 63 | TotalEnergies India Pvt Ltd | Mumbai | totalenergies.in |
| 64 | Triune Energy Services Pvt Ltd | New Delhi | — |
| 65 | VCare Global | Vadodara | — |
| 66 | VDT Pipeline Integrity Solutions Pvt Ltd | Vadodara | — |
| 67 | CubicWheels Engineering Services Pvt Ltd | Kanchipuram | — |
| 68 | Naskc&d Engineering Sea India Pvt Ltd | Hyderabad | — |
| 69 | Protection BTG Pvt Ltd | Noida | — |
| 70 | Shamberger Oilfield Services Pvt Ltd | Mumbai | — |
| 71 | Abhay Ocean India Pvt Ltd | Mumbai | — |
| 72 | Aryavartha Design Consultants LLP | Karnataka | — |
| 73 | Indane (Indian Oil LPG Division) | New Delhi | indane.co.in |
| 74 | Indian Petroplus | New Delhi | — |
| 75 | Punj Lloyd Upstream Ltd | Gurugram | — |
Many of these companies are also listed on Indian stock exchanges (BSE/NSE). Some are PSU companies . For oil and gas EPC contractors, also see our list of Top EPC Companies in India.
Careers in India’s Oil & Gas Sector: What You Need to Know
Who Is Hiring?
Most of the top companies listed above actively recruit engineers, geologists, project managers, HSE professionals, and management graduates. PSU giants like ONGC, IOCL, BPCL, HPCL, and GAIL conduct annual recruitment through GATE scores, while private firms like Reliance, Cairn, and Adani hire through campus placements and direct applications.
Key Roles in Oil & Gas
Some of the most in-demand roles include: Petroleum Engineer, Drilling Engineer, Reservoir Engineer, Process Engineer, Pipeline Engineer, HSE Officer, Planning Engineer (learn more at constructionplacements.com/planning-engineer-job-description/), Piping Designer, Instrumentation Engineer, Project Manager, Geophysicist, and Environmental Compliance Specialist.
Salary Expectations
Salaries in India’s oil and gas sector vary widely based on experience and company type. Entry-level engineers at PSUs typically earn Rs. 6–12 LPA, while experienced professionals at companies like ONGC, IOCL, or Reliance can earn Rs. 15–40+ LPA. International postings (particularly in the Gulf) command significantly higher packages. For detailed salary benchmarks, see our Construction Salary Guide 2026 at constructionplacements.com/construction-salary-guide-2026-india-gulf-global-comparison/.
💼 Looking for jobs? Browse current construction and energy sector openings at constructionplacements.com/jobs/ and prepare for interviews using ConstructionCareerHub.com’s Interview Copilot tool.
Related Resources on ConstructionPlacements
- Careers in the Oil and Gas Industry [Ultimate Career Guide 2026] — constructionplacements.com/oil-and-gas-industry-career-guide/
- Top Oil and Gas Companies In The World [2026 Updated List] — constructionplacements.com/worlds-top-oil-and-gas-companies/
- 71 Top Construction Companies In India To Start Your Career — constructionplacements.com/top-construction-companies-in-india/
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- Construction Career Guide 2026 — constructionplacements.com/construction-career-guide-2026/
Frequently Asked Questions (FAQ) — Oil and Gas Companies in India
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Q: Which is the largest oil and gas company in India?
A: Indian Oil Corporation Ltd (IOCL) is the largest by revenue, with Rs. 8.85 lakh crore (US$ 106.89 billion) in FY24 revenue. ONGC is the largest in exploration and production, contributing approximately 71% of India’s domestic crude oil output.
Q: Which is the largest private oil company in India?
A: Reliance Industries Ltd is the largest private-sector oil and gas company in India. It operates the world’s largest single-location refinery at Jamnagar, Gujarat.
Q: How many oil and gas companies are there in India?
A: India has over 100 oil and gas companies spanning public sector (PSU), private sector, joint ventures, and oilfield services firms. The list in this article covers 75+ significant players.
Q: What is the future of oil and gas in India?
A: India’s oil demand is projected to reach 5.99 million barrels per day in 2026 and could double by 2045. Planned investments of Rs. 30–35 lakh crore (US$ 348–406 billion) by 2035 indicate strong growth. The sector is also diversifying into green hydrogen, ethanol blending, and city gas distribution.
Q: How can I get a job in oil and gas companies in India?
A: For PSU companies like ONGC, IOCL, BPCL, and GAIL, recruitment typically happens through GATE scores for engineering roles. Private companies recruit through campus placements, job portals, and direct applications. Use ConstructionCareerHub.com for ATS-ready resume preparation and interview practice.
Q: What is the salary range in the oil and gas sector in India?
A: Entry-level engineers in PSUs typically earn Rs. 6–12 LPA. Mid-career professionals can expect Rs. 15–30 LPA. Senior roles at large companies can command Rs. 40 LPA and above. International assignments, especially in the Gulf, offer significantly higher packages.
Q: What engineering branches are needed for oil and gas?
A: Petroleum Engineering, Chemical Engineering, Mechanical Engineering, Civil Engineering, Electrical Engineering, and Instrumentation Engineering are the most sought-after branches. Geologists and environmental scientists also find significant opportunities.
Q: Is oil and gas a good career choice in India for 2026?
A: Yes. With India being the third-largest global oil consumer and planning massive infrastructure investments through 2035, the sector offers strong career stability, competitive salaries, and diverse growth paths across upstream, midstream, and downstream operations.
Conclusion: The Road Ahead for India’s Oil & Gas Industry
India’s oil and gas sector is at a transformative juncture. With domestic demand growing steadily, massive infrastructure investments planned through 2035, active exploration under OALP rounds, and a strategic pivot toward cleaner fuels and green hydrogen, the industry offers unparalleled opportunities for both investors and professionals.
For engineers and construction professionals, this sector represents one of the most lucrative and stable career paths available. Whether you’re eyeing PSU recruitment through GATE, applying to private-sector giants like Reliance or Cairn, or exploring EPC project roles with L&T or Tata Projects, the time to prepare is now.
Next Steps:
- Browse oil and gas job listings at constructionplacements.com/jobs/
- Prepare your ATS-ready resume and practice interviews at ConstructionCareerHub.com
- Read our complete Oil & Gas Career Guide at constructionplacements.com/oil-and-gas-industry-career-guide/
- Explore recommended courses on Coursera and Udemy listed above to upskill
- Follow ConstructionPlacements on LinkedIn, Telegram, and social media for daily industry updates
Disclaimer: The company list above is compiled for informational and career guidance purposes. ConstructionPlacements is not a recruiter or job consultant. We aggregate publicly available information to help professionals explore career opportunities. Company logos and trademarks belong to their respective owners.
