Hub Power Company Limited, colloquially known as HUBCO, is the first and largest Pakistani Independent Power Producer (IPP) with a combined installed power generation capacity of 3250 MW.
Oil and Gas Development Company Limited, commonly known as OGDCL is a Pakistani oil and gas company. It has a primary listing on the Pakistan Stock Exchange, and secondary listing on the London Stock Exchange. Established in 1961 by the Government of Pakistan, it was turned into a public listed company on 23 October 1997. Today it is involved in exploring, drilling, refining and selling oil and gas in Pakistan. It is based on Jinnah Avenue, Blue Area in Islamabad, with the Government of Pakistan holding 74% stake in the company. Rest are held by private investors. For the financial year 2022, it reported net sales of Rs 335.46 billion and profit of Rs 133.78 billion.
Mari Petroleum Company Limited (MPCL) (Urdu: مری پیٹرولیم کمپنی لیمٹڈ) is a Pakistani petroleum exploration and production company based in Islamabad, Pakistan. The company is controlled by the Fauji Foundation with 40 percent shares.
The Pakistan Oilfields Limited is a Pakistani oil and gas exploration company which is a subsidiary of UK-domiciled Attock Oil Company. It is based in Rawalpindi, Punjab Province, Pakistan.
Attock Petroleum Limited (APL) (اٹک پیٹرولیم لمیٹڈ) is Pakistani oil marketing company which is a subsidiary of the UK-domiciled company Attock Oil Company. It is based in Rawalpindi, Pakistan.
The Attock Refinery Limited is a Pakistani petroleum company which is a subsidiary of UK-domiciled Attock Oil Company. It is active in crude oil refining in the country. The company is based in Rawalpindi, Punjab, Pakistan.
Ghaith Rashad Pharaon, was a Saudi fugitive financier and businessman who was founder of Attock Group, Attock Cement, and at one time an investor in the Bank of Credit and Commerce International (BCCI), an international bank established by Pakistani financier Agha Hasan Abedi.
The Oil and Natural Gas Corporation Limited (ONGC) is an Indian central public sector undertaking under the ownership of Ministry of Petroleum and Natural Gas, Government of India. It is headquartered in New Delhi. ONGC was founded on 14 August 1956 by the Government of India. It is the largest government-owned-oil and gas explorer and producer in the country and produces around 70 percent of India's domestic production of crude oil and around 84 percent of natural gas. In November 2010, the Government of India conferred the Maharatna status to ONGC.
Bharat Petroleum Corporation Limited (BPCL) is an Indian public sector undertaking under the ownership of the Ministry of Petroleum and Natural Gas,Government of India. It operates three refineries in Bina, Kochi and Mumbai. BPCL is India's second-largest government-owned downstream oil producer, whose operations are overseen by the Ministry of Petroleum and Natural Gas. It was ranked 309th on the 2020 Fortune list of the world's biggest Public sector undertakings in India, and 792nd on Forbes's 2021 "Global 2000" list.
Shell Pakistan Limited is a Pakistani oil and gas company which is a subsidiary of the Shell plc and has been in South Asia for over 100 years. Shell's flagship business in Pakistan is the downstream retail marketing company, Shell Pakistan Limited, which has interests in downstream businesses including retail, lubricants and aviation. On 14th June, 2023 Shell announced to sell its holding in Pakistan.
According to the United States Energy Information Administration (EIA), Pakistan may have over 9 billion barrels (1.4×109 cubic metres) of petroleum oil and 105 trillion cubic feet (3.0 trillion cubic metres) in natural gas (including shale gas) reserves.
Pak-Arab Refinery Company Limited (PARCO) is a Pakistani joint venture oil and gas company active in refining, transporting and marketing petroleum products. It is a joint-venture between governments of Pakistan and Abu Dhabi.
Indus Refinery Project was a petroleum refinery which was proposed to be established near Karachi, Sindh, Pakistan by Indus Refinery Limited (IRL).
National Refinery Limited (NRL) (نیشنل ریفائنری لمیٹڈ) is a Pakistani oil refinery which is a subsidiary of UK-domiciled Attock Oil Company. It is based in Korangi Creek, Karachi, Pakistan.
Cnergyico Pk Limited is a Pakistani petroleum company which is a subsidiary of the Mauritian company Cnergyico Industries Incorporated. The company is vertically integrated across the oil refining and marketing industries, notable for being the only petroleum company in Pakistan to own and operate a crude oil terminal. Cnergyico operates Pakistan’s biggest oil refinery in terms of nameplate capacity, the largest capacity crude oil storage tanks in the country, and a network of petrol pumps.
Khyber Pakhtunkhwa Oil & Gas Company Limited commonly known as KPOGCL, is a provincial oil and gas holding company based in Peshawar, Pakistan. It was established by Government of Khyber Pakhtunkhwa in 2013. KPOGCL is a member of the Pakistan Petroleum Exploration and Production Companies Association. The Acting chief executive officer of the company is Nasir Khan.
According to the United States Energy Information Administration (EIA), Pakistan may have over 9 billion barrels (1.4×109 cubic metres) of petroleum oil and 105 trillion cubic feet (3.0 trillion cubic metres) in natural gas (including shale gas) reserves.
Arif Habib Corporation Limited, also known as Arif Habib Group, is a Pakistani business conglomerate company based in Karachi, Pakistan. It was founded by Pakistani businessman Arif Habib.
Puma Energy Pakistan, formerly known as Admore Gas, is a Pakistani oil marketing company which is a subsidiary of Singaporean company Puma Energy and is based in Karachi, Pakistan.
Hascol Petroleum Limited is a Pakistani oil marketing company which is active in downstream sector. It is based in Karachi, Pakistan.
US$ 4.11 billion (2012–2013) [2] 
