Gates Foundation is perceived as one of William and Flora Hewlett Foundation's biggest rivals. Gates Foundation is headquartered in Seattle, Washington, and was founded in 2000. Like William and Flora Hewlett Foundation, Gates Foundation also operates in the Non-Profit Organization industry. Gates Foundation generates 1,793% the revenue of William and Flora Hewlett Foundation.
Open Society Foundations is one of William and Flora Hewlett Foundation's top competitors. Open Society Foundations is a NGO/NPO/NFP/Organization/Association company that was founded in 1979 in New York, New York. Like William and Flora Hewlett Foundation, Open Society Foundations also operates in the Non-Profit Organization field. Compared to William and Flora Hewlett Foundation, Open Society Foundations has 300 more employees.