Publishers

• Centre for Development Innovation, Wageningen University and Research Centre
• Centre for Economic European Research - Zentrum für Europäische Wirtschaftsforschung GmbH (ZEW)
• Centre for Nonprofit Management, Trinity College
• Centre for Philanthropy Studies
• Centre for Policy Studies
• Centre for Social Impact, University of New South Wales
• Centre for Social Investment at the University of Heidelberg
• Centre Français des Fondations (CFF)
• Centre Français des Fonds et Fondations
• Centrum Pre Filantropiu (CPF)

• Centrum voor filantropische studies van VU Amsterdam
• Cera Foundation/BRS
• Ceres
• CF Insights
• CFLeads
• Chambre Regionale Economie Sociale Nord-Pas de Calais (CRES)
• Charities Aid Foundation (CAF)
• Charities Aid Foundation (CAF) Russia
• Charities Aid Foundation Southern Africa
• Charities Evaluation Services

• Charity Commission
• Charity Finance Group
• Charity Investors Group
• Charity Know How
• Charles F. Kettering Foundation
• Charles Stewart Mott Foundation
• Cittadinanzattiva (Active Citizenship)
• City of London Corporation
• CIVICUS
• CIVICUS - World Alliance for Citizen Participation