- Immigrant Legal Resource Center
- Immigration Defence Project (IDP)
- Immigration Policy Center
- Institute for Local Government
- International Center for Migration Policy Development (ICMPD)
- International Centre for Migration Policy Development (ICMPD)
- International Displacement Monitoring Centre
- International Organizarion for Migration
- International Organization for Migration (IOM)
- Irish Society for the Protection of Cruelty to Children (ISPCC)
- John D. and Catherine T. MacArthur Foundation
- John S. and James L. Knight Foundation
- Journal on Migration and Human Security
- Kids Count
- King Baudouin Foundation
- Manhattan Institute
- Mary Reynolds Babcock Foundation, Inc.
- McKinsey & Company
- Mercer University School of Law
- Michigan Economic Center
