Here's a few.
Several organizations have been identified as funding politicians or initiatives that support policies aimed at reducing deportations or aiding undocumented immigrants. Here's an overview based on the information available:
Soros Family's Foundation to Promote Open Society
Michael Moritz’s Family Foundation:
Catholic Charities, HIAS (Jewish Family Services), and Lutheran Immigration and Refugee Service:
Open Society Foundations:
AFL-CIO:
Nonprofits like La Raza Community Resource Center and Immigrant Justice Corps:
United Nations Agencies: