provides a list of the largest oil companies in the world, using data from 2012. According to the article published by Forbes, Saudi Aramco is the largest oil company in the entire world, bringing in revenues ... More » Business & Finance Industries

Exxon Mobil, Royal Dutch Shell and Chevron are three of the largest oil and gas companies in the world based on total stock market capitalization for 2014, reports Statista. Exxon Mobil’s market cap is $422 billion, Roya... More » Business & Finance Investing

Find the histories of some major oil companies at the official websites of Shell, BP and Time Magazine. These sites offer information on the formation and expansion of major oil companies such as Shell and BP. More »

As of 2015, five of the largest oil companies in the world in terms of revenue are Exxon Mobil, Royal Dutch Shell, BP, Sinopec and China National Petroleum. Each of these companies has an annual revenue of over 300 billi... More » Business & Finance Industries

Alaska’s major industries include oil and gas, tourism and fishing. The largest industry is oil and gas, which provides more than 84 percent of the state’s annual budget as of 2014. Commercial fishing in Alaska results i... More »

Canada's major exports are oil and gas, cars, gold and coal. Canada is one of the world's largest exporters of oil, and according to CNN Money, produced 4.3 million barrels of oil a day in 2014. More » Business & Finance Industries

ADT, Allied Barton Security Services and Securitas are three major security companies within the United States. ADT is one of the largest security companies as of 2015, and has over 100 U.S. installation branches. Allied... More » Business & Finance Industries