- SHDEPHA+ KAHAMA
- SHIRIKA LA MAENDELEO NA SERA TANDAHIMBA
- SHULE COMPUTER AID
- ST RAYMOND UNIVERSAL INSTITUTE
- STREET CHILDREN CARE ORGANIZATION
- SUSTANABLE WATCH ON MARGINAL COMMUNITIES
- Taasisi ya Kuzuia Mmonyoko wa Maadili Tanzania
- Tanzania Albino Unity(TAU)
- Tanzania Association for the Deaf(TAD) Tanga Branch(CHAVITA TANGA)
- TANZANIA DECENT WORK ASSOCIATION(TADWA)