| Assorted Services | Non-Profit Organizations | Public Safety |
| Agent of Elderly | Thompson Historical Society | Connecticut State Police |
| Animal Control | Thompson Together | Emergency Management |
| Fair Housing Officer | Churches | Fire Departments |
| Justices of the Peace | ||
| Library | ||
| NE CT District Dept. of Health | ||
| Regional Probate Court | ||
| Transfer Station (permit / hours / regulations) |
||
| Veterans Office | ||
| Thompson Ecumenical Empowerment Group (TEEG) |
||
| Connecticut State Treasurer Unclaimed Property |


