Saudi Aramco is oil and gas exploration, refinery and trading company. Saudi Aramco is the world’s largest integrated oil and gas company having both upstream and downstream operations, producing the energy and chemicals. Headquarters is in Saudi Arabia.

Net income of Saudi Aramco for year ending Dec-2021 was 110.0 billion USD.

Aramco’s net income increased by 124% to 110.0 billion USD in 2021, compared to 49.0 billion USD in 2020.

In 2021, Aramco’s average hydrocarbon production was 12.3 million barrels of oil equivalent per day (mmboed), including 9.2 mmbpd of crude oil.

In 2019, Saudi Aramco average hydrocarbon production was 13.2 mmboed, including 9.9 mmbpd of crude oil. 

In 2020, Aramco‘s average hydrocarbon production was 12.4 mmboed, including 9.2 mmbpd of crude oil.

As on Mar-2021, Saudi Aramco had 79,800 employees

Gazprom is Russia's biggest Oil and Gas Company. Gazprom is a global energy company focused on geological exploration, production, transportation, storage, processing and sales of gas, gas condensate and oil, sales of gas as a vehicle fuel, as well as generation and marketing of heat and electric power. Headquarters is in Russia.

Gazprom holds the world’s largest natural gas reserves. The Company’s share in the global and Russian gas reserves amounts to 17 and 72 per cent respectively. Gazprom accounts for 12 and 68 per cent of the global and national gas output correspondingly. The Company owns the world’s largest gas transmission system with a total length of 172.1 thousand kilometers. Gazprom is Russia’s largest producer and exporter of liquefied natural gas (LNG).

TC ENERGY CORPORATION business is supply of natural gas and crude oil through pipelines and generates electricity. Headquarters is in Calgary, Canada.

Williams Companies is an energy infrastructure company focused on connecting North America’s significant hydrocarbon resource plays to growing markets for natural gas and natural gas liquids (NGLs). Williams’ interstate gas pipeline and gathering & processing operations span the United States, including strategic assets in the deep water Gulf of Mexico, the Rockies, the Pacific Northwest and the Eastern Seaboard.

Williams owns and operates midstream gathering and processing assets, and interstate natural gas pipelines. 

Core operations include transportation, storage and terminalling for natural gas, crude oil, NGLs, refined products and liquid natural gas. Headquarters is in Texas, USA.

Energy Transfer acquired Enable Midstream Partners for 7 Billion USD as on Feb-2021.

PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY is a national petroleum exploration and production company. The company operates three business segments: Oil and gas exploration and production, overseas pipelines and investment in projects strategically connected to the energy business. It is a subsidiary of the state owned PTT public company limited. The headquarters is in Thailand.

OMV Group is oil and gas sector company with headquarters in Austria.

OMV Group has business in both upstream and downstream:

Upstream Business : Exploration of oil and gas

and

Downstream Business : Refineries, Filling Stations, Gas Supply, marketing and trading, Gas Logistics.

As on 2019, OMV Group has 20,000 employees. 

Daily average production was 487,000 boe/d in 2019.

The Company operates about 2,100 filling stations in ten European countries.

OMV Group operates 3 refineries in Europe.

Bollore operates as a holding transportation company. The Company offers transportation, logistics, communications, and electricity and storage solutions, as well as manages a portfolio of communication and agricultural sector which includes oil palm and rubber trees plantations, video game console supplies and manufacturing of steel tubes. The headquarters is in France.