American Red Cross
- http://www.redcross.org/
Americorps
- http://www.nationalservice.gov/programs/americorps
Cool Works
- http://www.coolworks.com/
Corporation for National and Community Service (CNCS)
- http://www.nationalservice.gov/
Habitat for Humanity
- http://www.habitat.org/
InterAction
- http://www.interaction.org/
Teach for America
- https://www.teachforamerica.org/
United Way
- http://www.unitedway.org/