| Name | Address, Zip |
| Parent Teacher Organization Walter A Derynoski Elementary School | 240 Main St, 06489-2528 |
| Distributive Education Clubs Of America | 346 Pondview Dr, 06489-3950 |
| American Guild Of Organists | 24 Cathy Dr, 06489-4401 |
| Southington Robotics And Technology Education Association Inc | Po Box 826, 06489-0826 |
| Southington Arts Council Inc | 258 Moore Hill Dr, 06489-2930 |
| The Connecticut Environmental Health Association Inc | 45 Merrell Ave, 06489-3216 |
| Connecticut Speech-language-hearing Association Inc | 360 Queen Street Pmb 250, 06489-1883 |
| New England Tactical Officers Association Inc | 244 Pattonwood Dr, 06489-1615 |
| Connecticut Association Of Independent Schools Inc | Po Box 460, 06489-0460 |
| Southington Middle School Athletics Association | Po Box 741, 06489-0741 |
| Southington Symphonic Band | 36 Maplewood Rd, 06489-2427 |
| Knights Cross Country Booster Club | 720 Pleasant St, 06489-2713 |
| Irish Business Organization Of New York Inc | 55 Malcein Dr, 06489-1324 |
| Southington Cadets | 69 Lazy Ln, 06489-1763 |
| Childrens Dance Theater Connectionllc | 112 Meander Ln, 06489-1768 |
| Depaolo Junior High School Parent Teacher Organization Inc | 385 Pleasant St, 06489 |
| Hatton Elementary School Pto | 50 Spring Lake Rd, 06489-4424 |
| Eugene F Slason Scholarship Fund Inc | 67 Stuart Dr, 06489-3963 |
| Winton S Filipek Scholarship Fund | 230 Copper Ridge Rd, 06489-4607 |
| Grace Nursery School | 121 Pleasant St, 06489-4419 |
| Hidden Treasures Trade School Inc | 328 Jude Ln, 06489-2226 |
| Southington Historical Society Inc | 165 Meriden Ave, 06489-3628 |
| Toastmasters International | 400 Executive Blvd S, 06489-6027 |
| Toastmasters International | 200 Executive Blvd N, 06489-1042 |
| Urbin T Kelley School Pto | 501 Ridgewood Rd, 06489-2352 |
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