- ASASI YA KUHIFADHI MAZINGIRA KIMANG'A
- ASASI YA UKOMBOZI WA VIJANA TANZANIA ( AUVITA)
- Association for Rural Development Promotion (ARDEP)
- Badilika Foundation
- Bahi Environmental Network (BAENET)
- BANTU COMMUNITY DEVELOPMENT CENTER-BACODECE
- BASE FOR EDUCATION DISSEMINATION
- Bhanakiya environmental conservation organazation
- Bonde la Chemchem Sabuko
- BUILDING A MEANINGFUL FUTURE FOUNDATION