en.wikipedia.org/wiki/List_of_largest_oil_and_gas_companies_by_revenue

List of largest oil and gas companies by revenue. From Wikipedia ... Country, Company name, Revenue 2017 ... National Iranian Oil Company, 110.00**. Russia ...

en.wikipedia.org/wiki/List_of_oil_exploration_and_production_companies

The following is a list of notable companies in the petroleum industry that are engaged in petroleum exploration and production. The list is in alphabetical order ...

www.oilandgasiq.com/strategy-management-and-information/articles/oil-and-gas-companies

May 1, 2019 ... We count down the biggest oil and gas companies in the world ranked by annual revenue.

www.offshore-technology.com/features/largest-oil-and-gas-companies-in-2018

Mar 19, 2019 ... Sinopec continued to lead the world's largest oil and gas companies in 2018, enjoying a double-digit revenue growth when compared to 2017.

www.worldatlas.com/articles/biggest-oil-companies-in-the-world.html

Dec 5, 2018 ... With an annual revenue of $465.49 billion USD in 2017, the Saudi Aramco of Saudi Arabia is the world's highest-earning oil company.

www.forbes.com/pictures/55085276e4b095aa68c84ae7/worlds-biggest-oil-compan

From Exxon to Rosneft to Petrobras, here are the world's biggest oil and gas companies -- and the people who control them. (With data from WoodMackenzie. )

www.forbes.com/pictures/mef45gkei/not-just-the-usual-suspects

Love em or hate em, oil and natural gas companies keep the world running, and will for many years to come. The following 2012 ranking of the world's biggest is ...

www.huntoil.com

Hunt Oil Company is a privately held exploration and production company that has successfully conducted petroleum operations for more than 80 years.

www.oildex.com/directory/oil-gas-companies

185 Results ... Independent oil and gas exploration and development company with operations in North America, Egypt, Western Australia, Poland, and the ...