Community Foundation for Southern Arizona
- Philanthropic organization serving Pima and Santa Cruz counties, providing money grants to nonprofit and charitable organizations. Information about grants, scholarships, special events and projects, staff, and job openings.
- http://www.cfsoaz.org/

United Way of Tucson and Southern Arizona
- Regional offices of local national organization. Describes programs, services and campaigns.
- http://www.unitedwaytucson.org/

Planned Parenthood of Southern Arizona
- Information about the sexual and reproductive health services provided at its five health centers in Tucson and Sierra Vista. List of locations, common questions, educational articles, and contact details.
- http://www.ppsaz.org/

Desert Harvesters
- Helping Sonoran desert people use native food sources. Owners of a community hammermill, which enables residents to grind flour from locally-picked mesquite pods. Provides details on the organization.
- http://www.desertharvesters.greenbicycle.net/