Mypostalexam.com is not affiliated with the USPS but sells the latest and most helpful Postal Jobs Exam Study Guide.
The desert kingdom has around 16% of the worldâs proven oil reserves and is the biggest global exporter of petroleum liquids. There is little doubt as to why its national oil company, Saudi Aramco, the biggest energy company in the world, generates over $1 billion in revenue every single day.
Chevron is one of the world's largest oil companies; as of 2014, it ranked third in the Fortune 500 list of the top US closely held and public corporations and sixteenth on the Fortune Global 500 list of the top 500 corporations worldwide.