| 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 |
| Justice of the Peace | ||
| Library |
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| NE CT District Dept. of Health |
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| Regional Probate Court |
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| Transfer Station (permit/hours/regulations) |
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| Veterans Office |
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| Thompson Ecumenical Empowerment Group |
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