- Council on Aging
- Public Health Services
- Mattapoisett Town Hall
- Mattapoisett Police Department
- Mattapoisett Fire Department
- Mattapoisett Library
- Tri-Town Veteran’s Office
- South Shore Community Action Council
- Knights of Columbus of Mattapoisett
- Disability Commission
- Southcoast Legal Services
- Farmer’s Market
- Social Security Administration
- Coastline Elderly Services
- Damien’s Place Food Pantry
- My Brother’s Keeper
- Salvation Army Corps
- Community Nurse Home Care
- Pace
- Department of Transitional Assistance
- Turning Point