  | Board of Assessors | |
| | Board of Health | |
| | Board of Library Trustees | |
| | Board of Registrars | |
| | Community Preservation Committee | |
| | Conservation Commission | |
| | Council on Aging | |
| | Elementary School Building Committee | |
| | Finance Committee | |
| | General Bylaw Committee | |
| | Green Committee | |
| | Historic Commission | |
| | Housing Authority | |
| | Local Historic District Study Committee | |
| | Local Housing Partnership | |
| | Massachusetts Cultural Council | |
| | Open Space & Recreation Plan Committee | |
| | Planning Board | |
| | Public Events & Celebrations Committee | |
| | School Committee | Tewksbury School Committee |
| | Select Board | |
| | Taxation Aid Committee | |
| | Tewksbury Beautification Committee | |
| | Tewksbury Diversity, Equity & Inclusion Advisory Committee (TDEIAC) | |
| | Tewksbury North & Trahan School Reuse Committee | |
| | Tewksbury School Athletic Fields Committee | |
| | Tewksbury Special Education Parent Advisory Council (TSEPAC) | |
| | Zoning Board of Appeals | |
| | Zoning Bylaw Committee | |