| Name | Deductibility Code |
| Bethany Housing Corp | -- |
| Childrens Home Community Services Inc. | -- |
| Connecticut Clippers Inc. | -- |
| Connecticut Disability Advocacy Collaborative Inc. | -- |
| Connecticut Fuel Oil Conservation Fund Inc. | -- |
| Connecticut Science Fair Association Inc. | -- |
| Connecticut Youth Leadership Project Inc. | -- |
| Cromwell Athletic Club Inc. | -- |
| Cromwell Chill Soccer Club | -- |
| Cromwell Historical Society Inc. | -- |
| Cromwell Middle School Parent Teacher Organization | -- |
| Cromwell Panther Football Club | -- |
| Cromwell Police Benevolent Association | -- |
| Cromwell Rebels Travel Basketball | -- |
| Dignity of Hartford Inc. | -- |
| Durham Trinity Corporation | -- |
| E C S Music Boosters | -- |
| Edna C Stevens-Parent Teacher Organization | -- |
| Enugu State Association Connecticut | -- |
| Good Hope Children Incorporated | -- |
| Group of Citizens | -- |
| Haddam Elderly Housing Corporation | -- |
| Hilltop Nursery School of Covenant Congregational Church | -- |
| Independent Connecticut Petroleum Association Education Foundation | -- |
| Jensen Charles Lynn Memorial Fund Inc. | -- |
| Little Friends International Inc. | -- |
| Little Hearts Inc. | -- |
| New Beginning Holiness Temple | -- |
| New England Chamber Choir Inc. | -- |
| Padre Pio Foundation of America Inc. | -- |
| Peoples Action for Clean Energy Inc. | -- |
| Prison Family Outreach Ministry Inc. | -- |
| Safe Harbor Inc. | -- |
| Spirit Builders Inc. | -- |
| St. Johns Housing Corporation | -- |
| Tails of Joy Inc. | -- |
| Tobacco Valley Flywheelers Gas and Steam Engine Club Inc. | -- |