The United States is home to a large number of humanitarian organizations that work internationally to deliver much-needed humanitarian assistance overseas. These aid agencies respond to natural disasters, conflicts, and other emergencies, providing food, water, shelter, health care, and other critical support. DONARE has selected 27 well-known and influential humanitarian organizations based in the United States that respond to humanitarian crises around the world. The nonprofits on this list have a significant impact on humanitarian efforts worldwide.