- Iringa network organisation of working with children and youth
- IRINGA PARALEGAL CENTRE
- IRINGA WOMEN AGAINST POVERTY
- IRINGA YOUTH DEVELOPMENT ASSOCIATION
- IrkiRamat Foundation
- ISANGA ADVENTIST COMMUNITY HEALTH AND BETTER LIFE
- IZAAS MEDICAL PROJECT
- JAMBO GROUP COORPERATIVE
- JAMII FOUNDATION -VMG
- JAMII YA KUJITOLEA TANZANIA