| Name | Address, Zip |
| A-z Spiritual Healing Center Inc | 311 Railroad St, 06787-1667 |
| Thomaston Volunteer Ambulance Corps Inc | 237 S Main St, 06787-1813 |
| American Turkish Islamic Cultural Center | 94 N Main St, 06787-1654 |
| Emergency Nurses Association | 803 Hickory Hill Rd, 06787-1024 |
| Justin B Weaver Scholarship Fund Inc | 461 Cedar Mountain Rd, 06787-2009 |
| Thomston Savings Bank Foundation Inc | Po Box 907, 06787-0907 |
| Little League Baseball Inc | Po Box 62, 06787-0062 |
| Be Safe Inc | 41 Electric Ave, 06787-1651 |
| Celone Wildlife Preservation & Protection | 348 Cedar Mountain Rd, 06787-2052 |
| Thomaston Christmas Committee | Po Box 148, 06787-0148 |
| St Thomass Church | 19 Electric Ave, 06787-1651 |
| Thomaston Womans Club | Po Box 477, 06787-0477 |
| Thomaston Soccer Club Inc | Po Box 40, 06787-0040 |
| Thomaston Lions Club | Po Box 303, 06787-0303 |
| Thomaston Community Pantry | Po Box 324, 06787-0324 |
| Saint Maximilian Kolbe Parish Corporation | 19 Electric Ave, 06787-1651 |
| Families In Crisis Inc | Po Box 484, 06787-0484 |
| Thomastonvolunteer Fire Department Incorporated | 245 S Main St, 06787-1813 |
| Education Enrichment Fund Of Thomaston Inc | Po Box 166, 06787-0166 |
| Friends Of The Thomaston Opera House Inc | Po Box 455, 06787-0455 |
| Friends Of The Thomaston Public Library Inc | 248 Main St, 06787-1720 |
| Thomaston Historical Society Inc | 158 Main Street, 06787-1744 |
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