Oil and Natural Gas Corporation Limited (ONGC) is the biggest government-owned oil and gas exploration and production company in India. ONGC was established in 1956 by the Government of India in an attempt to ensure the energy security of the country and dependence on imports minimally. In the past decades, ONGC has expanded to form a completely integrated energy giant with significant presence in upstream activities, refining, petrochemicals and international exploration. The company is driven by the Ministry of Petroleum and Natural Gas and is a Maharatna, which enhances financial and operational freedom.

Oil and Natural Gas Corporation – Quick Overview
| Particular | Details |
| Company Name | Oil and Natural Gas Corporation Limited (ONGC) |
| Type | Central Public Sector Undertaking (Maharatna) |
| Founded | 14 August 1956 |
| Owner | Government of India |
| Head Office | New Delhi, India |
| Chairman & CEO | Arun Kumar Singh* |
| Administrative Ministry | Ministry of Petroleum and Natural Gas |
| Core Business | Oil & Gas Exploration and Production |
| Domestic Presence | 26 sedimentary basins across India |
| International Arm | ONGC Videsh Limited |
| Stock Listings | BSE & NSE |
Net Worth and Market Cap
The balance sheet of ONGC is one of the strongest of the Indian state companies. It has a net worth that is in the several lakh crore rupees that represent decades of creating assets, reserves, and infrastructure. The market capitalisation of the company is still one of the largest in terms of energy in the Indian market, which positions ONGC in the large-cap category. Being a part of the BSE Sensex and Nifty 50, ONGC is of interest to long-term investors and institutions.
Corporate Leadership
ONGC is a Government owned corporation with majority share in the corporation. The Chairman and Chief Executive Officer, Arun Kumar Singh, is leading the strategic map, investment policies, and performance of ONGC. The leadership team is focused on sustaining production in mature fields, expanding abroad, and investing in future energy solutions.
Overview of Services
ONGC majorly deals with exploration, development, and production of natural gas and crude oil. These resources are sold to large companies in India as the refiners and marketers. ONGC is also involved in refining, petrochemicals, pipelines and generation of power through subsidiaries and joint ventures. ONGC Videsh Limited operates internationally in terms of exploration and production assets in Asia, Africa, Latin America and Middle East.
Scale of Operations
ONGC operates operations across 26 sedimentary basins in India and manages more than 11,000 kilometres of pipelines. Its hundreds of drilling and workover rigs operate on major producing fields such as Mumbai High. OnGC has a presence in more than 15 countries, which present both domestic and robust international presence, which is why ONGC is a pillar of the Indian energy industry.