- Small Miners Development Initiatives (SMDI)
- Small World Initiatives For Women Security and Children Orphanage (SWIWSCO
- Social and Economic Development Foundation (SEDEF)
- SOCIAL AND ECONOMIC DEVELOPMENT INITIATIVES OF TANZANIA
- Social Mainstreaming for Gender Equality Organization
- Songambele Initiative Organisation
- Special educators for disabled and orphans
- special educators for disabled and orphans organization
- ST BLESSING DAYCARE
- STOP TEENAGE PREGNANCIES IN TANZANIA FOUNDATION