The district has growing industries not directly related to government, especially in the areas of education, finance, public policy, and scientific research. Georgetown University, George Washington University, Washington Hospital Center, Children's National Medical Center and Howard University are the top five non-government-related employers in the city . According to statistics compiled in 2011, four of the largest 500 companies in the country were headquartered in the district. In the 2021 Global Financial Centres Index, Washington was ranked as having the 14th most competitive financial center in the world, and fourth most competitive in the United States (after New York City, San Francisco, and Los Angeles).