Who owns Numaligarh Refinery?
Numaligarh Refinery is owned by Oil India (India, NSE: OIL).[1]
Oil India owns 69.63% of Numaligarh Refinery rather than all of it.
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Oil India Limited Annual Report 2024-25. Last checked .
Key facts
- Current owner
- Oil India Limited (69.63% stake) reported
- Owner HQ
- 🇮🇳 India
- Origin
- 🇮🇳 India
- Category
- Energy › Oil & gas › Refining & marketing
- Parent ticker
- NSE: OIL
- Last verified
- · 1 sources
About Numaligarh Refinery
Numaligarh Refinery Limited, registered in Assam, is a subsidiary of Oil India, which held 69.63 percent as at 31 March 2025 according to the annual report. The report describes an expansion of the refinery from 3 to 9 MMTPA and says it processed 3,066 TMT of crude in 2024-25.
Ownership timeline of Numaligarh Refinery
Where Numaligarh Refinery sits in Oil India
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
- Numaligarh Refinery (69.63%)
- Oil India
Open the full Oil India ownership tree →
See the full Oil India brand portfolio (2) →
Other brands owned by Oil India
Oil India controls 2 brands on Brandtree, 2 of them in energy.
Also in energy
Other brands in refining & marketing, and who owns them
The 21 brands in refining & marketing on Brandtree belong to 18 owners. The largest is Saudi Aramco, with 2.
| Brand | Owner | Owner based in |
|---|---|---|
| Lima Refinery | Cenovus | 🇨🇦 Canada |
| Petro-Canada Lubricants | HF Sinclair | 🇺🇸 United States |
| Aramco Trading | Saudi Aramco | 🇸🇦 Saudi Arabia |
| Castrol | bp | 🇬🇧 United Kingdom |
| Moove | Cosan | 🇧🇷 Brazil |
| Cosmo Oil Marketing | Cosmo Energy | 🇯🇵 Japan |
| Certas Energy | DCC | 🇮🇪 Ireland |
| Reficar | Ecopetrol | 🇨🇴 Colombia |
About the owner: Oil India
Oil India is a state-owned company headquartered in India. Brandtree records 2 brands under its control, and it is listed as NSE: OIL.
Oil India Limited is an Indian oil and gas company whose 2024-25 annual report says the Government of India, its promoter, holds 56.66 percent of the paid-up capital. The report says it holds 69.63 percent of Numaligarh Refinery Limited, which it acquired control of in 2021.
🇮🇳 Numaligarh Refinery and other Indian brands
Brandtree records a controlling owner for 255 brands that began in India. 9 of them (4%) are now controlled by a company headquartered in another country; Numaligarh Refinery is not one of them.
- Amaron — Amara Raja 🇮🇳
- Exide Energy Solutions — Exide Industries 🇮🇳
- 8PM — Radico Khaitan 🇮🇳
- ACC — Ambuja Cements 🇮🇳
- Aashirvaad — ITC 🇮🇳
- Adani Airports Holdings — Adani Group 🇮🇳
Frequently asked questions
Who is the parent company of Numaligarh Refinery?
The parent company of Numaligarh Refinery is Oil India, a state-owned company headquartered in India.
Is Numaligarh Refinery Indian?
Yes. Numaligarh Refinery originated in India and its owner, Oil India, is also headquartered in India.
Is Numaligarh Refinery still owned by Oil India?
Yes. As of 5 October 2026, Numaligarh Refinery is still owned by Oil India (69.63% stake). The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Oil India Limited Annual Report 2024-25 — Oil India Limited, Annual report; retrieved 5 October 2026.
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