- SOUTHERN HIGHLAND SENILITY ORGNISATION
- Special Development Organisation
- special educators for disabled and orphans organization
- STOP TEENAGE PREGNANCIES IN TANZANIA FOUNDATION
- STREET CHILDREN CARE ORGANIZATION
- Sunya Ward Education and Training
- Support for International Youth Alliance
- support Lindi Community for development
- SUSTAINABLE ECONOMIC AND ENVIRONMENTAL CONSERVATION ORGANIZATION
- SUSTANABLE WATCH ON MARGINAL COMMUNITIES