Grapevines
- Cadillac Area Women’s Giving Circle
- CA Dream Circle
- Cafeteria Giving
- Can't Stop Won't Stop
- Cape Cod Young Professionals Giving Circle
- Capital Giving: Prevouisly ACT of Women Giving
- Capital Seed
- Capital Women in Philanthropy
- Capitol Women's Investment Network
- Cardell Dance Theater
- Caring Friends
- Carly's Giving Circle
- Carrie Simon's Giving Circle
- Carri Kessler's Giving Circle
- Carroll County Future Fund
- Cary Women's Giving Network
- Casoro Group Education Foundation
- Catalyst Endowment Fund
- Catalyst Fund
- Catholic Leadership Circle
- Catoctin Women's Giving Circle
- Catonsville Women's Giving Circle
- CBRT The Business Round Table
- Central Coast Latino Giving Circle
- Central Georgia Empowerment Fund
- Central Valley Latino Giving Circle
- Central Vermont Women's Giving Circle
- Centre Foundation’s Giving Circle
- Challah for Hunger Alumni Giving Circle
- Challenge Yourself. Disrupt the Status Quo. A Changemakers Forum.
- Champions for Foster Youth
- Change Fund, The
- Change Makers
- Charitable Venture Partners
- Charity Girls of Northeast Massachusetts
- Charlotte Lesbian and Gay Fund
- Charlottte Circle of Friends
- Charm Diamond Centre's Women's Givning Circle
- Chattanooga Youth Giving Circle
- Cheers for Charity
- Chelsea Melton's Giving Circle
- Cherry Blossom Giving Circle
- Chesed Venture Group
- Children's Giving Circle - Everett WA
- Children's Giving Circle - Hartford CT
- Children's Giving Circle - Tucson, AZ
- Children's Giving Circle - Wisconsin Rapids, WI
- Chillicothe Giving Circle
- Chinese American Military Support
- Chinook Fund's Giving Project
- Christians For Racial Justice
- Christmas funding
- Chrysalis’ Kaleidoscope Giving Circle
- Church independence fund raiser
- Circle 100 Club
- Circle23
- Circle 555 (Greenville)
- Circle 555 (Spartanburg)
- Circle De Luz
- Circle of Angels
- Circle of Change
- Circle of Hope
- Circle of Joy
- Circle of Joy Atlanta
- Circle the Earth
- Circulo Virtuoso
- Cisco Conexion Latino Giving Circle
- City Funding Network
- City of Chester Giving Circle
- Civic Champs
- Civics Night at the Soda Fountain
- Claire's Giving Circle
- Clarion Performing Arts Center
- Clean Water and Climate Change
- Clear To Close: for Real Estate & Housing Professionals
- Cleveland Colectivo
- Cleveland Women in Business for Good
- Climate Change Collaborative Giving
- CLOSED
- Coast to Coast Giving Circle
- COLA Gives
- Collective 365
- Collective Impact Giving Circle
- Columbus SOUP
- Columbus Women for Good
- Common Goal for Youths
- CommonWealth Kindness Inc
- Community Advisors Network
- Community Foundation of South Central Kentucky's Women's Fund
- Community Investment Network
- Community Leadership Partners
- Community Partners Giving Circle
- Community Power Giving Circle
- Community Ventures
- Community Yoga Class
- Conflict and Peace in Africa
- Conscious Giving Fund
- Contra Costa Latinx Giving Circle
- Cornerstone Boulder
- Corporate Accountability Giving Circle
- COTHINKK
- Courtney Woolery's Giving Circle
- COVID-19 Relief
- Cross Parish Action Team Campaign for Our Lady of Consolation Church
- Crown Point Community Foundation Women's Giving Circle
- Currituck-Dare Women's Fund
- Cville Gives
- Cynthia's Breast Cancer Giving Circle