- Association for Rural Development Promotion (ARDEP)
- Association of Zanzibar Salt Processing Organizations
- Association pour la Promotion des Initiatives de Base (APIB)
- BADIRIKA GROUP MDIMBA
- BAGAMOYO YOUTH EMPOWERING NETWORK
- BAHEBE ENVIRONMENTAL DEVELOPMENT
- Bahi Environmental Network (BAENET)
- Bahi Youth Friendly Centre
- BAKWATA WILAYA YA GAIRO
- BANTU COMMUNITY DEVELOPMENT CENTRE