- SOCIO-ECONOMIC DEVELOPMENT TRUST FUND
- soko kuu saccos ltd
- Songambele Initiative Organisation
- Songea Women and children care organization
- Southern Corridor Development Association (SOCODEA)
- Special educators for disabled and orphans
- special educators for disabled and orphans organization
- SPORT COMPANY FOR STRUGGLE AGAINST AIDS/HIV and DRUGS (SCAAD)
- SPORTS ENVRONMENTAL HIV/AIDS PROGRAMME
- SPORTS, ENVIRONMENT AND HIV/AIDS PROGRAMME