CFSI has partnered with the following organizations at some point during its first twenty-five years of existence. Most of these partnerships have involved the signing of a Memorandum of Understanding/Agreement and/or contracts. Others have been documented by an exchange of letters.

• Ace Saatchi & Saatchi
• American Women's Club of the Philippines
• Asian Development Bank
• Asian Development Bank Staff Community Fund
• Asian Social Institute
• Atlantic Philanthropies (Viet Nam) Limited
• Australian Agency for International Development
• Australian Volunteers International
• Australian Youth Ambassadors for Development
• Bahay ni Angelo King Foundation
• Bangsamoro Development Agency
• BPI Foundation
• Brownington Foundation
• Bull's Head Foundation
• Canada Fund for Local Initiatives
• CARE International
• Catholic University of America
• Centro Escolar University
• Clinton Global Initiative
• Consuelo Foundation
• Cotabato City State Polytechnic College
• Danmil Realty Corporation
• De La Vida College
• Deutscher Entwicklungsdienst
• Evelyn Stefansson Nef Foundation
• Filipino-Americans in the North Eastern United States
• Filipino American Medical, Inc.
• Government of Australia
• Government of Cambodia
• Government of Canada
• Government of Japan
• Government of New Zealand
• Government of Norway
• Government of the Philippines
• Gregoria Araneta Social Development Foundation
• International Bazaar Foundation
• International Council of Voluntary Agencies
• Isabela Cultural Corporation
• Izumi Supporting Community
• Japan International Cooperation Agency
• Japan Lutheran College
• Johnson Foundation
• Kadtutaya Foundation, Inc.
• Kalaw Ledesma Foundation, Inc.
• Khemara (Center for Women) in Cambodia
• La Concordia College
• La Trobe University
• Leesburg Baptist Community Church
• Metrobank Foundation
• Mindanao Emergency Response Network
• Mindanao Network for Disaster Response
• Mindanao State University (Iligan)
• Mindanao State University (Maguindanao)
• Mindanao State University (Marawi)
• Miriam College
• N-T Foundation in Viet Nam
• Notre Dame University
• Organization for Industrial, Spiritual, and Cultural Advancement
• Pamantasan ng Lungsod ng Maynila
• Partridge Foundation
• PFK Family Foundation
• PHILAM Life Foundation
• Philippine Business for Social Progress
• Philippine Christian University
• Philippine Economic and Cultural Endowment Foundation
• Philippine National Voluntary Service Coordinating Agency
• Philippine Women's University
• Phinma Foundation
• Radda Barnen, Sweden
• Samahan Sa Baryo Foundation
• San Francisco State University
• Save the Children Federation (US)
• Springboard Foundation
• Starr Foundation
• St. Joseph College
• St. Paul University
• United Nations Children's Fund
• United Nations Development Programme
• United Nations Fund for Population Activities
• United Nations High Commissioner for Refugees
• United Nations Volunteers
• University of Stockholm, Sweden
• University of the Philippines
• Washington SyCip
• Washington SyCip Foundation
• Western Mindanao State University
• Wilfrid Laurier University
• Women's Refugee Commission
• World Bank
• World Food Programme
• World Health Organisation
• Anonymous Individuals