Commonwealth of Massachusetts — Government Structure
← Scroll horizontally to view full chart →

Commonwealth of Massachusetts — Government Structure

Organizational Chart  ·  Feb. 2026

The People
Legislature
House
160 Members
Senate
40 Members
Constitutional Officers
Office of the Attorney General
Housing Affordability Unit Gun Violence Prevention Unit Health Care & Fair Competition Bureau Office of Victim Assistance Public Protection & Advocacy Bureau Criminal Bureau Executive Office Government Bureau Energy & Environment Bureau Central MA Regional Office Western MA Regional Office Southeastern MA Regional Office
Office of the Governor
Boards & Commissions Cabinet Affairs & Strategic Planning Communications Constituent Services Governor’s Council Admin. Office Governor’s Executive Office Legal Counsel Legislative Affairs Office of Access, Opportunity & Community Affairs Operations Personnel Springfield & Washington DC Offices
Office of the Lt. Governor
Executive Office
Office of the State Auditor
Executive Office Special Investigations
Office of the State Treasurer & Receiver General
Alcoholic Beverage Control Commission Executive Office MA School Building Authority Massachusetts State Lottery PRIM Board Office of Economic Empowerment MA Clean Water Trust Veterans’ Bonus Division
Judiciary
Supreme Judicial Court
Appeals Court
Trial Court
Executive Office
Executive Agencies
Executive Agencies
Dept. of Transportation (MassDOT)
Aeronautics Division Executive Office Highway Division MassDOT Board of Directors MBTA MBTA Board of Directors MBTA Advisory Board Rail & Transit Division Registry of Motor Vehicles
Executive Office for Administration & Finance
Supplier Diversity Office Public Employee Retirement Admin. Commission State Library of Massachusetts Division of Admin. Law Appeals MA Teachers’ Retirement System Appellate Tax Board Bureau of the State House Civil Service Commission Department of Revenue Division of Capital Asset Mgmt & Maintenance Executive Office Div. Admin. Law Appeals, Bureau of Special Ed Appeals Developmental Disabilities Council Group Insurance Commission Human Resources Division Office on Disability
Executive Office of Economic Development
Division of Banks Division of Insurance Division of Standards Executive Office MA Office of International Trade & Investment Commonwealth Marketing Office Office of Travel & Tourism MA Office of Business Development Office of Consumer Affairs & Business Regulation Architectural Access Board Dept. of Telecommunications & Cable Office of Public Safety & Inspection
Executive Office of Education
Dept. of Early Education & Care Dept. of Elementary & Secondary Education Department of Higher Education Executive Office
Executive Office of Energy & Environmental Affairs
Office of Outdoor Recreation Dept. of Agricultural Resources Dept. of Conservation & Recreation Dept. of Energy Resources Dept. of Environmental Protection Dept. of Fish & Game Dept. of Public Utilities Executive Office MA Environmental Policy Act Office Office of Coastal Zone Mgmt. Office of Energy Transformation Division of Fisheries & Wildlife Office of Technical Assistance & Technology
Executive Office of Health & Human Services
Commission for the Blind Commission for the Deaf & Hard of Hearing Dept. of Children & Families Dept. of Mental Health Dept. of Public Health Dept. of Transitional Assistance Dept. of Youth Services Executive Office MassAbility MA Health Connector Office of Medicaid (MassHealth) Exec. Office of Elder Affairs Office for Refugees & Immigrants Dept. of Developmental Services
Executive Office of Housing & Livable Communities
Division of Housing Stabilization Division of Livable Communities Division of Public Housing & Rental Assistance Executive Office Division of Housing Development
Executive Office of Labor & Workforce Development
MassHire – Dept. of Career Services Divisions of Apprenticeship Standards Executive Office Board of Review Dept. of Industrial Accidents Dept. of Labor Relations Dept. of Economic Research Dept. of Unemployment Assistance Dept. of Labor Standards Paid Family & Medical Leave
Executive Office of Public Safety & Security
Dept. of Correction Dept. of Fire Services Dept. of State Police Executive Office MA Parole Board Municipal Police Training Committee Sex Offender Registry Board MA Emergency Mgmt. Agency Military Div., MA National Guard Office of the Chief Medical Examiner State 911 Department
Executive Office of Technology Services & Security
MassIT
Executive Office of Veterans’ Services
Executive Office
Independent & Quasi-Independent Agencies
Independent / Quasi-Independent Agencies
Cannabis Control Commission Center for Health Information and Analysis (CHIA) Community Economic Development Assistance Corp. Disabled Persons Protection Commission Ethics Commission MA Clean Energy Center MA Commission Against Discrimination MA Convention Center Authority MA Cultural Council MA Educational Financing Authority (MEFA) MA Gaming Commission MA Growth Capital Corporation MA Health Policy Commission MA Housing Partnership (MHP) MA Life Sciences Center MA Port Authority (Massport) MA Sheriffs Association MA Technology Collaborative MA Water Resources Authority (MWRA) MassDevelopment MassHousing Office of Campaign and Political Finance Office of the Child Advocate Office of the Comptroller Office of the Inspector General
POST Commission
Key Branch / Major Group Constitutional Office Executive Agency Judiciary Quasi-Independent Sub-Office / Division