Royal Dutch Shell plc is the world’s largest company in terms of revenue and one of the world’s largest oil companies. With operations in over 90 countries, Shell is truly a global company. In the United States, Shell Oil Company operates in all 50 states and employs over 22,000 people. Shell is one of the leading oil and natural gas providers in the United States and is consistently working to develop ways to deliver energy to customers quickly and efficiently.

http://www.shell.us/