Oil & Natural Gas Commission was set up in pursuance of the resolution bearing number 22/29/55-ONG dated August 14, 1956 issued by the Ministry of Natural Resources and Scientific Research, Government of India.

In 1959, it was converted into a Statutory Body pursuant to the Oil & Natural Gas Commission Act, 1959. Pursuant to the Oil & Natural Gas Commission Act (Transfer of Undertaking and Repeal) Act, 1993 (Notified on September 4, 1993 ), the undertaking of it together with all its assets, movable and immovable properties, contracts, licenses and privileges stood vested in a Company registered under the Companies Act, 1956.

It was incorporated in 1993 in order to facilitate the vesting of the undertaking of the statutory body to the Company pursuant to the enactment of the said Oil & Natural Gas Commission Act (Transfer of Undertaking and Repeal) Act, 1993. The Certificate of Commencement of Business was granted on August 10, 1993.

The Company has the following Assets /Plants/ Basins/ Regions/ Institutes/ Services:

A. ASSETS/ PLANTS:

1.Mumbai High Asset, Mumbai
2.Neelam & Heera Asset, Mumbai
3.Bassein & Satellite Asset, Mumbai
4.Uran Plant, Uran
5.Hazira Plant, Hazira
6.Ahmedabad Asset, Ahmedabad
7.Ankleshwar Asset, Mehsana
8.Mehsana Asset, Mehsana
9.Rajamundry Asset, Rajamundry
10. Karaikal Asset, Karaikal
11. Assam Asset, Nazira
12. Tripura Asset, Agartala

B. BASINS:

1. Western Offshore Basin, Mumbai
2.Western Onshore Basin Vadodara
3.KG Basin, Rajamundry
4.Cauvery Basin , Chennai
5.Assam & Assam-Arakan Basin , Jorhat
6.CBM- BPM Basin , Kolkata
7.Frontier Basin , Dehradun

C. REGIONS:

1.Mumbai Region, Mumbai
2. Western Region, Baroda
3. Eastern Region, Nazira
4. Southern Region, Chennai
5. Central Region, Kolkata

D. INSTITUTES:

1. Keshava Dev Malaviya Institute of Petroleum Exploration (KDMIPE), Dehradun
2. Institute of Drilling Technology (IDT), Dehradun
3. Institute of Reservoir Studies, Ahmedabad
4. Institute of Oil & Gas Production Technology, Navi Mumbai
5. Institute of Engineering & Ocean Technology, Navi Mumbai
6. Geo- data Processing & Interpretation Center (GEOPIC), Dehradun
7. ONGC Academy , Dehradun
8. Institute of Petroleum Safety, Health & Environment Management, Goa .
9. Institute of Biotechnology & Geotectonics Studies, Jorhat
10. School of Maintenance Practices, Vadodara
11. Regional Training Institutes, Navi Mumbai, Chennai, Sivasagar & Vadodara.

E. SERVICES:

1. Chief Drilling Services, Mumbai
2. Chief Well Services, Mumbai
3. Chief Geo- Physical Services, Dehradun
4. Chief Logging Services, Baroda
5. Chief Engineering Services, Mumbai
6. Chief Offshore Logistics, Mumbai
7. Chief Technical Services, Mumbai
8. Chief Info-com Services, New Delhi
9. Chief Corporate Planning, New Delhi
10. Chief Human Resource Development, Dehradun
11. Chief Employee Relations, Dehradun
12. Chief Security, Dehradun
13. Company Secretary, New Delhi
14. Chief Marketing, New Delhi
15. Chief Corporate Affairs &Co-ordination, New Delhi
16. Chief Corporate Communication, New Delhi
17. Chief Material Management, Dehradun
18. Chief Technical Services, Dehradun
19. Chief Health, Safety & Environment, Mumbai
20. Chief Legal, New Delhi
21. Chief Medical, Dehradun
22. Chief Internal audit, New Delhi
23. Chief Commercial, New Delhi
24. Chief Exploration & Development, Dehradun