- Sustainable for Environmental & Climate Change Association (SECCA)
- Sustainable Investments and Development Initiatives
- Sustainable Invetsments and Development Iniatiatives (SIDI)
- SUSTANABLE WATCH ON MARGINAL COMMUNITIES
- TAASISI YA KUPAMBANA NA UKIMWI KITANGARI
- Tandahimba Foundation Against HIV/AIDS
- TANDAHIMBA WOMEN ASSOCIATION (TWA)
- TANDAHIMBA YOUTH AND CHILDRENS ORGANIZATION (AVIWATA)
- Tanga Village Support Programme
- TANHEALTH TRUST FUND