| Name | Deductibility Code |
| Alpenland Dancers Inc. | -- |
| Cloud Chasers Inc. | -- |
| Connecticut Patriots Fife & Drum Corps Inc. | -- |
| Connecticut State Soccer Association Inc. | -- |
| Connecticut Tax Collectors Association Inc. | -- |
| Crew Family Foundation Inc. | 4 |
| Domus Amoris Inc. | -- |
| Elizabeth Harding Norton Trust | 4 |
| Farmington Soccer Club Inc. | -- |
| Friends of Nbhs Football Inc. | -- |
| Friends of the Plainville Public Library Inc. | -- |
| General Electric Employees Community Service Fund | -- |
| Hardy Plant Society of New England Connecticut Chapter Inc. | -- |
| Hartford County Fire Emergency Plan Inc. | -- |
| Larkspur Productions Inc. | -- |
| Linden St. School Parent Teacher Organization | -- |
| Manafort Family Foundation Inc. | 4 |
| Matteo Family Foundation | 4 |
| New Covenant Apostolic Church | -- |
| New Life Academy Inc. | -- |
| New Life Fellowship | -- |
| Nutmeg Public Access Television Inc. | -- |
| Peace Missionary Baptist Church Inc. | -- |
| Plainville Affordable Housing Corporation | -- |
| Plainville Association for Retarded Citizens Inc. | -- |
| Plainville Camp Grounds Association Inc. | -- |
| Plainville Choral Society Inc. | -- |
| Plainville Community News Inc. | -- |
| Plainville Community Pantry Inc. | -- |
| Plainville Conference of Churches | -- |
| Plainville Day Care Center Inc. | -- |
| Plainville Fire Company Incorporated | 6 |
| Plainville General Electric Assistance Fund | 4 |
| Plainville High School Athletic Backers Club | -- |
| Plainville Historical Society Inc. | -- |
| Plainville Student Loan Fund Inc. | -- |
| Plainville Wind Ensemble | -- |
| Society for the Preservation of Historic Cements Inc. | -- |
| St. Stylianos Apostolic Church | -- |
| The Plainville Police Association Incorporated | 3 |
| Wheeler Clinic Inc. | -- |