- Conrad N. Hilton Foundation
- Council of New Jersey Grantmakers
- Council on Foundations
- Development Network of Indigenous Voluntary Associations
- Donors Forum
- Donors Forum of Illinois
- East Africa Association of Grantmakers
- East Africa Philanthropy Network
- Environmental Grantmakers Association
- European Foundation Centre (EFC)
- Florida Philanthropic Network
- Ford Foundation
- Forefront
- Forum of Regional Associations of Grantmakers
- Foundation Center
- Fractured Atlas
- Georgia Center for Nonprofits
- Georgia Grantmakers Alliance
- Giving USA Foundation
- Global Fund for Community Foundations (GFCF)