Public vs. National
Oil is produced through either private companies or national oil companies -- those wholly or primarily owned by the government. The struggles and tensions between the two approaches influence global events and economies. To learn more about how the oil market fluctuates, check out our section on Global Business Dynamics.

To view a list of the largest public and national oil companies, visit our:

• Public Oil Companies page
• Our National Oil Companies page

Interested in reading about the events that have shaped the oil industry, check out Recent Trends.

For a list of oil and gas companies around the world, please refer to the Society of Petroleum Engineers.