| 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 | |