- SAVE LIVES ORGANISATION TRUST FUND
- SAVE OUR ENVIRONMENT TANZANIA
- SHIRIKA LA MAENDELEO JUHUDI
- SHULE COMPUTER AID
- SIHA DEVELOPMENT ORGANIZATION
- Social and Economic Development Foundation (SEDEF)
- SOCIAL AND ECONOMIC DEVELOPMENT INITIATIVES OF TANZANIA
- Southern Africa Human Rights NGOs Network Tanzania Chapter
- Special educators for disabled and orphans
- special educators for disabled and orphans organization