World Top Oil and Gas Pipeline Transport Companies List by Market Cap as on Jan 1st, 2020

Oil and Gas exploration, refinery and trading company. Headquarters in Saudi Arabia.

In 2019, Saudi Aramco produced 13.2 mmboed, including 9.9 mmbpd of crude oil. As on 2019, Saudi Aramco had 76,000 employees

As on December 31, 2019, Saudi Aramco’s reserves stood at 258.6 billion boe, including 201.9 billion barrels of crude oil and condensate, 25.7 billion barrels of NGLs and 190.6 tscf of natural gas.

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.

Business involves supply of natural gas and crude oil through pipelines and generates electricity. Headquarters in Calgary, Canada.

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

Natural gas pipeline transport company with headquarters in Texas, USA.

Williams 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 deepwater Gulf of Mexico, the Rockies, the Pacific Northwest and the Eastern Seaboard.

MPLX owns and operates midstream energy infrastructure and logistics assets, and provides fuels distribution services. MPLX's assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and NGL processing and fractionation facilities in key U.S. supply basins.

Canada based company and the company own a system of pipelines that transport crude oil, natural gas and natural gas liquids produced primarily in western Canada, as well as gas gathering and processing facilities and an oil and natural gas liquids infrastructure and logistics business.

Transneft is oil and gas pipeline transport company with headquarters in Moscow, Russia.

Transneft has 68000 KM of pipeline and has more than 500 pumping stations.

Transneft transports about 83% of the oil extracted in Russia.

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.