Exxon Mobil Corp. (XOM) is the largest and most profitable oil and gas companies in the U.S., and one of the largest companies in the world. As of October 2018, the company had a market capitalization of more than $334 billion, and more than 11 million shares traded in average daily volume.

Exxon Mobil is a major integrated energy company with many energy commodity interests, including electrical power generating operations, but at the core of its business is the exploration, production, and distribution of oil and natural gas. In 2017, Exxon Mobil earned $19.7 billion, had net oil-equivalent production of 4 million barrels per day, petroleum product sales of 5.5 million barrels per day, and 25.4 million tonnes of chemical product sales. XOM paid a dividend yield of 4.11% as of October 2018.

This is a look at some of Exxon Mobile's top competitors, which include Chevron Corp. (CVX), ConocoPhillips (COP), and Royal Dutch Shell (RDS.A). All information was current as of Oct. 24, 2018. 

Chevron Corp.

Based in San Ramon, CA, Chevron Corp. is the second-largest U.S. oil company, with a market capitalization of $217.61 billion and an average daily trading volume of more than 5.64 million shares as of October 2018. The company has integrated petroleum, chemicals, mining, and power generation operations.

Chevron had total net earnings of $9.2 billion in 2017, and its annual per-share dividend payout rose for the thirtieth consecutive year. The company's average oil-equivalent production was 2.7 million barrels per day. CVX paid a dividend yield of 3.95% as of October 2018. 

ConocoPhillips

ConocoPhillips, based in Houston, TX, has positioned itself as an exploration and production company within the oil and gas sector. The company engages in the worldwide exploration, production, transportation and marketing of crude oil, bitumen, natural gas, natural gas liquids, and liquefied natural gas.

As of October 2018, the company's market capitalization was $81.76 billion, and its average daily trading volume was 5.58 million shares. COP paid a dividend yield of 1.26% as of October 2018. 

ConocoPhillips earned a total of $32.6 billion in 2017, and it produced 1,377 barrels of oil equivalent per day. The company also had another 5 billion proved reserves of oil equivalent during the year. 

Royal Dutch Shell, PLC

Royal Dutch Shell is another major integrated oil company. However, it's not based in the U.S. Headquartered in the Netherlands and incorporated in London, the company had a market capitalization of more than $364 billion as of October 2018, with more than 3.38 million shares traded in average daily volume. RDS. A paid a dividend yield of 5.96% as of October 2018.

Royal Dutch Shell had net earnings of more than $13.44 billion in 2017 and an oil-equivalent production of more than 1.04 million barrels per day. 

The company has interests in seven wind energy projects in North America and Europe. One project is an offshore wind project in the Netherlands. It anticipates that its future growth will come from its upstream operations, where technological advances will help the company find new liquid and natural gas reserves. The company also has growth strategies in integrated gas and underwater drilling.