| 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 | |