- Chausiku Earth Care Project
- Chema Development Organization (CDO)
- chickens keeping Association(CKA)
- CHILDREN AID Tanzania
- Christian Association for Development and Aid
- CHRISTOPHER SECONDARY SCHOOL
- CHUMBUNI YOUTH DEVELOPMENT ORGANIZATION
- COBIHESA Trust Fund
- COMMUNITY ACTION FOR DEVELOPMENT ECONOMIC ENVIRONMENTAL CONSERVATION TRUST
- Community Action for Development Economic Environmental Conservation Trust