| Name | Deductibility Code |
| A Christian Gathering Inc. | -- |
| Animal Rights Front Inc. | -- |
| Beth El Community Church Inc. | -- |
| Castles in the Park Revitalization Committee Inc. | -- |
| Christian Center for Spiritual Healing Inc. | -- |
| Citizens Engine Company 2 | -- |
| Crystal Korean Presbyterian Church | -- |
| D S M Tr 1 Ox Inc. | -- |
| Higher Ground Ministry Inc. | -- |
| Living Springs Christian Fellowship | -- |
| Milford Automatics Foundation Inc. | 4 |
| Oak Cliff Cemetery Assoc | 6 |
| Seymour Ambulance Assoc Inc. | -- |
| Seymour Baberuth League Inc. | -- |
| Seymour Evangelical Baptist Church | -- |
| Seymour Fathers Club Inc. | -- |
| Seymour Kick Off Club | 4 |
| Seymour Land Conservation Trust Inc. | -- |
| Seymour-Oxford Nursery & Child Care Association Inc. | -- |
| Sha Development Corp | 4 |
| Talent Hut Players Inc. | 4 |
| The Christopher and Lucille Ewen Family Foundation Inc. | 4 |
| The Seymour Babe Ruth League of Seymour Connecticut | -- |
| Trinity Cemetery Assoc Inc. | 6 |
| Wildcat Swim Club Inc. | -- |
| Woodbridge Ave Honor Roll Restoration Committee | -- |