  | Airport Commission | |
| | Appointments Committee | |
| | Bandstand Committee | |
| | Board of Assessors | |
| | Board of Health | The Board of Health is the approving authority for wells and septic systems in Gardner. |
| | Board of Registrars of Voters | |
| | Capital Improvement Committee | |
| | Cemetery Commission | |
| | Charter Review Committee | |
| | City Council | |
| | Community Development Block Grant Steering Committee | |
| | Conservation Commission | |
| | Council on Aging | |
| | Development Review Committee | |
| | Disability Commission | |
| | Finance Committee | |
| | Gardner Housing Authority | |
| | Gardner Redevelopment Authority | |
| | Golf Commission | |
| | Historical Commission | |
| | License Commission | |
| | Open Space and Recreation Plan Steering Committee | |
| | Planning Board | |
| | Public Safety Committee | |
| | Public Service Committee | |
| | Public Welfare Committee | |
| | Retirement Board | |
| | School Building Committee | Postings relating to the proposed new school building. |
| | School Building Financial Sub Committee | |
| | School Committee | |
| | School Subcommittees | |
| | Traffic Commission | |
| | Williams-Rockwell | |
| | Zoning Board | |