Overview

Group Companies

Expanding Horizons

Indian Oil’s group companies reflect its strategic vision to build a diversified and globally integrated energy enterprise. Spanning Indian and foreign subsidiaries as well as joint ventures, these entities operate across a broad spectrum of sectors — including E&P, refining, petrochemicals, city gas distribution, renewable energy, aviation fuel infrastructure, specialty lubricants, and futuristic technologies like hydrogen and nuclear energy. With partnerships involving global majors, PSUs, and private sector leaders, Indian Oil is not only strengthening its core competencies but also venturing into emerging domains to support India’s energy transition and global outreach.

Sr. No. Group Company Name Type Nature of Business Partners
1 Chennai Petroleum Corporation Limited Indian Subsidiaries Refining of petroleum products National Iranian Oil Company, Public
2 IOC Global Capital Management IFSC Limited Indian Subsidiaries Carry on the business as IFSC (International Financial Service Centre) Unit to undertake finance activities as stipulated in regulation 5 of International Financial Services Centres Authority (IFSCA) Finance Company Regulations Wholly Owned Subsidiary
3 Mercator Petroleum Limited Indian Subsidiaries Exploration and Production (E&P) of Crude Oil Wholly Owned Subsidiary
4 Terra Clean Limited Indian Subsidiaries Green Energy Business Wholly Owned Subsidiary
5 IndianOil (Mauritius) Ltd. Mauritius Foreign Subsidiary Terminalling, Retailing, Aviation refueling & Bunkering Wholly Owned Subsidiary
6 IndOil Global B.V. Netherlands Foreign Subsidiary Investment company for E&P Assets in Canada and UAE Wholly Owned Subsidiary
7 IOC Middle East FZE, UAE Foreign Subsidiary Lube Blending & Marketing of Lubricants & Base Oil Wholly Owned Subsidiary
8 IOC Sweden AB, Sweden Foreign Subsidiary Investment company for E&P Project in Venezuela and Battery Technology Company in Israel Wholly Owned Subsidiary
9 IOCL (USA) Inc., USA Foreign Subsidiary Participation in Shale Gas Asset Project Wholly Owned Subsidiary
10 IOCL Singapore Pte Ltd., Singapore Foreign Subsidiary Crude Oil trading operations, Import / Export of petroleum products and Investment Company for E&P Assets & Alternative Energy Technology Company Wholly Owned Subsidiary
11 Lanka IOC PLC,Sri Lanka Foreign Subsidiary Retailing, Terminalling & Bunkering Public
12 Avi-Oil India Pvt. Ltd. Joint Ventures Manufacturing of Speciality lubricants Neden BV, Netherlands, Balmer Lawrie & Co. Ltd., 
13 Cauvery Basin Refinery and Petrochemicals Ltd. Joint Ventures For setting up 9 MMTPA Refinery Project at Nagapattinam, Tamil Nadu. Chennai Petroleum Corporation Ltd.,  Axis Bank Ltd.,  HDFC Life Insurance Company Ltd.,  ICICI Bank Ltd.,  ICICI Prudential Life Insurance Company Ltd.,  SBI Life Insurance Company Ltd., 
14 Delhi Aviation Fuel Facility Private Ltd. Joint Ventures Setting up and operation of Aviation Fuel Facility at Delhi Airport. Delhi International Airport Ltd.,  Bharat Petroleum Corporation Ltd., 
15 GH4India Private Limited Joint Ventures Develop green hydrogen production assets and associated renewable assets Renew Power Private Limited, L&T Limited
16 Green Gas Ltd. Joint Ventures City Gas Distribution GAIL (India) Ltd., Others
17 GSPL India Gasnet Ltd. Joint Ventures Setting up of Natural Gas Pipelines Gujarat State Petronet Ltd.,  Hindustan Petroleum Corporation Ltd.,  Bharat Petroleum Corporation Ltd.
18 GSPL India Transco Ltd. Joint Ventures Setting up of Natural Gas Pipelines Gujarat State Petronet Ltd.,  Hindustan Petroleum Corporation Ltd.,  Bharat Petroleum Corporation Ltd.
19 Hindustan Urvarak and Rasayan Ltd. Joint Ventures Setting up and operating fertilizer plants at Sindri, Gorakhpur and Barauni Coal India Ltd.,  NTPC Ltd.,  Fertilizer Corporation of India Ltd.,  Hindustan Fertilizer Corporation Ltd.
20 IHB Ltd Joint Ventures Laying, building, operating or expanding LPG Pipeline from Kandla (Gujarat) to Gorakhpur (UP) Bharat Petroleum Corporation Ltd.,  Hindustan Petroleum Corporation Ltd.
21 Indian Synthetic Rubber Pvt. Ltd. Joint Ventures Manufacturing of Styrene Butadiene Rubber at Panipat Trimurti Holding Corporation, BVI
22 IndianOil Adani Gas Pvt. Ltd. Joint Ventures City Gas Distribution Adani Total Gas Ltd.
23 IndianOil Adani Ventures Ltd. (formerly known as Indian Oiltanking Ltd.) Joint Ventures Terminalling, EPC services and production of Compressed Bio-Gas (CBG) Adani Ports and SEZ Ltd., Others
24 IndianOil LNG Pvt. Ltd. Joint Ventures LNG Terminal at Ennore Maximus Investment Advisory Pvt. Ltd.,  ICICI Bank Ltd.,  Tamil Nadu Industrial Development Corporation Ltd.
25 IndianOil NTPC Green Energy Private Limited Joint Ventures Develop grid and/ or off-grid Renewable Energy (RE) based power projects to supply 650 MW or more renewable power to cater to requirement of Indian Oil Corporation Limited. NTPC Green Energy Limited
26 IndianOil Petronas Pvt. Ltd. Joint Ventures Terminalling services and parallel marketing of LPG Petronas, Malaysia.
27 IndianOil Skytanking Pvt. Ltd. Joint Ventures Aviation fuel facility projects and Into Plane services Skytanking GmbH, Germany
28 IndianOil Total Pvt. Ltd. Joint Ventures Undertaking bitumen business, LPG business as conducted at LPG facilities Total Marketing and Services S.A., France
29 Indofast Swap Energy Private Limited Joint Ventures Battery swapping business in India Epic Mobility Tech. Limited (WOS of Sun Mobility Singapore)
30 Indradhanush Gas Grid Ltd. Joint Ventures Setting up Natural Gas Pipeline in North East India Oil and Natural Gas Corporation Ltd.,  GAIL (India) Ltd.,  Oil India Ltd.,  Numaligarh Refinery Ltd.
31 IOC GPS Renewables Private Limited Joint Ventures To advance biofuel technology by converting organic waste into CBG. GPS Renewables
32 IOC Phinergy Pvt. Ltd. Joint Ventures Commercialization of the Al-Air battery technology in India Phinergy, Israel
33 Kochi Salem Pipeline Private Ltd.   Joint Ventures Laying pipeline for transportation of LPG from Kochi to Salem Bharat Petroleum Corporation Ltd.
34 Lubrizol India Pvt. Ltd. Joint Ventures Manufacturing of Lube Additives Lubrizol Corp., USA
35 Mumbai Aviation Fuel Farm Facility Pvt. Ltd. Joint Ventures Setting up common user integrated aviation fuel infrastructure at Mumbai Airport Bharat Petroleum Corporation Ltd.,  Hindustan Petroleum Corporation Ltd.,  Mumbai International Airport Ltd.
36 NPCIL – IndianOil Nuclear Energy Corporation Ltd. Joint Ventures Setting up Nuclear Power Plant Nuclear Power Corporation of India Ltd.
37 Paradeep Plastic Park Ltd. Joint Ventures Development and implementation of Paradeep Plastic Park project Odisha Industrial Infrastructure Development Corporation
38 Petronet LNG Ltd. Joint Ventures LNG imports / distribution and regasification Bharat Petroleum Corporation Ltd.,  Oil and Natural Gas Corporation Ltd.,  GAIL (India) Ltd.
39 Petronet VK Ltd. Joint Ventures Construction and operation of pipeline for transportation of POL products from Vadinar to Kandla Reliance Industries Ltd.,  Nayara Energy Ltd.,  Gujarat Industrial Investment Corporation Ltd.,  Infrastructure Leasing & Financial Services Deendayal Port Trust State Bank of India Canara Bank
40 Ratnagiri Refinery & Petrochemicals Ltd. Joint Ventures Refinery and Petrochemical Project in Maharashtra Bharat Petroleum Corporation Ltd.,  Hindustan Petroleum Corporation Ltd.
41 Suntera Nigeria 205 Ltd. Joint Ventures Oil exploration activities. Oil India Ltd.,  Suntera Resources Ltd., Cyprus