- Generation Iraq
- Generations United
- Gilda's Club Worldwide
- Gina Gibney Dance Inc
- Give N Grow Sports
- Global AIDS Alliance
- Global Communities (originally Cooperative Housing Foundation)
- Global Deaf Connection
- Global Frontier Mission Inc
- Global Fund for Children
- Global Fund for Women
- Global Health Council
- Global Partnership For Afghanistan
- Global Rainwater Harvesting Collective
- Global Security Institute
- Global Youth Action Network
- Global Youth Connect
- GO Campaign
- Go For The Goal Foundation
- Gospel Light Worldwide
- Grameen Foundation USA
- Grantmakers In Aging
- Green Schools Alliance
- Habitat For Humanity Of Camden County
- HALO Trust USA
- Hand In Hand Parenting