| Municipality | System Type | Description |
|---|---|---|
| Andover | Lever Machines | |
| Ashford | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Bolton | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Bozrah | Lever Machines | |
| Brooklyn | Lever Machines | |
| Canterbury | Lever Machines | |
| Chaplin | Lever Machines | |
| Chester | Lever Machines | |
| Clinton | Lever Machines | |
| Colchester | Lever Machines | |
| Columbia | Lever Machines | |
| Coventry | Lever Machines | |
| Deep River | Lever Machines | |
| Durham | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| East Haddam | Lever Machines | |
| East Hampton | Lever Machines | |
| East Lyme | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Eastford | Lever Machines | |
| Ellington | Lever Machines | |
| Enfield | Lever Machines | |
| Essex | Lever Machines | |
| Franklin | Lever Machines | |
| Glastonbury | Lever Machines | |
| Griswold | Lever Machines | |
| Groton | Lever Machines | |
| Haddam | Lever Machines | |
| Hampton | Lever Machines | |
| Hebron | Lever Machines | |
| Killingly | Lever Machines | |
| Killingsworth | Lever Machines | |
| Lebanon | Lever Machines | |
| Ledyard | Lever Machines | |
| Lisbon | Lever Machines | |
| Lyme | Lever Machines | |
| Madison | Lever Machines | |
| Mansfield | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Marlborough | Lever Machines | |
| Montville | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| New London | Lever Machines | |
| North Stonington | Lever Machines | |
| Norwich | Lever Machines | |
| Old Lyme | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Old Saybrook | Lever Machines | |
| Plainfield | Lever Machines | |
| Pomfret | Lever Machines | |
| Preston | Lever Machines | |
| Putnam | Lever Machines | |
| Salem | Lever Machines | |
| Scotland | Lever Machines | |
| Somers | Lever Machines | |
| Sprague | Lever Machines | |
| Stafford | Lever Machines | |
| Sterling | Lever Machines | |
| Stonington | Lever Machines | |
| Suffield | Lever Machines | |
| Thompson | Lever Machines | |
| Tolland | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Union | Lever Machines | |
| Vernon | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Voluntown | Lever Machines | |
| Waterford | Lever Machines | |
| Westbrook | Optical Scan | LHS Associates of Massachusetts |
| Vote by Phone (for people with disabilities) | IVS, LLC | |
| Willington | Lever Machines | |
| Windham | Lever Machines | |
| Woodstock | Lever Machines | |
| Candidate | Party | Incumbent/Challenger/Other |
| Rob Simmons | Republican | Incumbent |
| Joe Courtney | Democrat | Challenger |