- IDSS - Integrated Disability Support Services
- IMPACT Community Health Services - Discovery Coast
- IMPACT Community Services
- IMPACT Community Services - Community Visitors Scheme
- IMPACT Community Services - Employment Services
- IMPACT Community Services - Family Mental Health Support Services
- IMPACT Community Services - Get Set for Work
- IMPACT Community Services - Home & Community Care
- IMPACT Community Services - In-Home Care (Disability)
- IMPACT Community Services - Positive Start Parenting
- IMPACT Community Services - Training Services
- IMPACT Recycling & Collections - Australian Disability Enterprise
- Independent Support Management (ISM)
- Indian Association of Bundaberg Inc
- IngeniaGardens
- Inner Wheel Club of Bundaberg Inc
- Inner Wheel Club of Bundaberg Sunset Inc
- International Women's Society
- Isis and District Canine Club Inc.
- Isis Central Mill Bowls Club
- Isis Child and Family Support Service
- Isis Club Inc
- Isis Community Care
- Isis Cricket Club Inc.
- Isis Croquet Club Inc
- Isis District Historical Society Inc
- Isis District Horse & Pony Club Inc
- Isis District Little Athletics
- Isis District Rugby League Football Club Inc.
- Isis District State High School
- Isis Flying Club Inc
- Isis Golf Club
- Isis Ladies Bowling Club
- Isis RSL Sub Branch Inc
- Isis Tennis Club Inc