Shell Oil Company is the United States-based subsidiary of Royal Dutch Shell

Royal Dutch Shell

Royal Dutch Shell plc , commonly known as Shell, is a global oil and gas company headquartered in The Hague, Netherlands and with its registered office in London, United Kingdom. It is the fifth-largest company in the world according to a composite measure by Forbes magazine and one of the six...

, a multinational

Multinational corporation

A multi national corporation or enterprise , is a corporation or an enterprise that manages production or delivers services in more than one country. It can also be referred to as an international corporation...

 oil company ("oil major") of Anglo

Anglo

Anglo is a prefix indicating a relation to the Angles, England or the English people, as in the terms Anglo-Saxon, Anglo-American, Anglo-Celtic, Anglo-African and Anglo-Indian. It is often used alone, somewhat loosely, to refer to people of British Isles descent in The Americas, Australia and...

 Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 origins, which is amongst the largest oil companies in the world. Approximately 22,000 Shell employees are based in the U.S. The head office in the U.S. is in Houston, Texas

Houston, Texas

Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of . Houston is the seat of Harris County and the economic center of , which is the ...

. Shell Oil Company, including its consolidated companies and its share in equity companies, is one of America’s largest oil and natural gas producers, natural gas marketers, gasoline marketers and petrochemical manufacturers.

Shell is the market leader through approximately 25,000 Shell-branded gas stations in the US which also serve as Shell's most visible public presence.