- ST RAYMOND UNIVERSAL INSTITUTE
- St.Justin Centre for Children with Disabilities
- STARVE FOR HELPING OTHER PEOPLE (SHOP)
- STEMMUCO MALIHAI ENVIRONMENTAL CLUB
- STOP TEENAGE PREGNANCIES IN TANZANIA FOUNDATION
- STREET CHILDREN CARE ORGANIZATION
- sunrise development society
- Sunya Ward Education and Training
- Support for International Youth Alliance
- support Lindi Community for development