Massachusetts

MA: The Merrimack Valley Planning Commission

Amesbury, MA website
Andover, MA website
Dracut, MA website
Haverhill, MA website
Lawrence, MA website
Lowell, MA website
Merrimac, MA website
Methuen, MA website

Haverhill Chamber of Commerce
Contains information on the following communities:
Boxford MA, Georgetown MA, Groveland MA, Haverhill MA, Merrimac MA, West Newbury MA, Atkinson NH, Danville NH, East Kingston NH, Hampstead NH, Kingston NH, Newton NH, Plaistow NH, and Sandown NH

Commonwealth Communities

New Hampshire

NH: The Southern New Hampshire Planning Commission

Derry, NH website
Londonderry, NH website
Plaistow, NH website
Salem, NH website