US Committee for Refugees & Immigrants (USCRI) is a US-based organization focused on working with refugees, immigrants, unaccompanied minors, and human trafficking victims. They have refugee resettlement programs across the country, as well as programs that work to help other immigrants, children arriving to the US without adults, and survivors of human trafficking. USCRI has a total of 100 branch and affiliate offices throughout the country, including the headquarters in DC.
USCRI offers a variety of paid internships (stipend) in their field offices, and the affiliate offices may offer paid internships as well. Their lists the email for the internship coordinator at each field office, which you can email to find out more about internships opportunities at the individual branch offices. The headquarters no longer offers an internship program. Find out more on the official website.
