| Name | Deductibility Code |
| Baltimore Woods Nature Center Inc. | -- |
| By Faith Christian Center | -- |
| Central New York Chapter Nrhs Inc. | -- |
| Eastern Federation of Mineralogical & Lapidary Societies Inc. | -- |
| Friends of Marcellus Park Inc. | -- |
| Marcellus Ambulance Volunteer Emergency Services Inc. | -- |
| Marcellus Boys Lacrosse Club Inc. | -- |
| Marcellus Free Library | -- |
| Marcellus Health Loan Closet Inc. | -- |
| Marcellus Historical Society | -- |
| Marcellus Parent Nursery School | -- |
| Marcellus Presbyterian Child Care Center Inc. | -- |
| Marcellus Sports Booster Club Inc. | -- |
| Marcellus Volunteer Fire Department Inc. | -- |
| Marcellus Youth Soccer Inc. | -- |
| Masterworks Chorale Inc. | -- |
| Orenda Springs | -- |
| The Mulroy Scholarship Fund | 4 |