The departments and agencies that make up the County of Hawaiʻi strive to keep the Big Island a safe and healthy place to live, work and play, by providing vital services to the community.

• County of Hawaiʻi Organizational Chart
• Aging
• Animal Control
• Civil Defense
• Corporation Counsel
• Environmental Management
• Finance
• Fire
• Office of Housing
• Office of the County Clerk
• Office of the County Auditor
• Office of Sustainability, Climate, Equity & Resilience
• Human Resources
• Information Technology
• Liquor Control
• Mass Transit Agency
• Mayor's Office
• Parks and Recreation
• Planning
• Police
• Prosecuting Attorney
• Public Works
• Research and Development
• Water Supply