| Group | Manager | Members | Description | Join |
|---|---|---|---|---|
| Athletic Fields | chuck | 5 | Athletic Fields | Closed |
| Expo | chuck | 1 | Merrimack Expo | Closed |
| Fire Department Building Division | chuck | 2 | Fire Department Building Division | Join |
| Fire Department Emergency Management | chuck | 2 | Fire Department Emergency Management | Join |
| Fire Department Health Division | chuck | 3 | Fire Department Health Division | Join |
| Merrill's Marauders Bridge Trails Committee | smarunicz | 1 | Merrill's Marauders Bridge Trails Committee | Invite only |