- SUKUMALAND DESTINATIONS CULTURAL TOURISM
- SUPREME
- Sustainable Investments and Development Initiatives
- Sustainable Invetsments and Development Iniatiatives (SIDI)
- SUSTANABLE WATCH ON MARGINAL COMMUNITIES
- TANZANIA ALBINO SOCIATE MWANZA (TAS)
- Tanzania Brighter Future For Community Development Organization
- Tanzania Community Based Option for Protection and Empowerment
- Tanzania Environmental, Health and Disability Services Organization
- Tanzania Home Economics Association (TAHEA)