| Name | Deductibility Code |
| Animal Rights Alliance Inc. | -- |
| Cardinal Quarterback Club Inc. | -- |
| Centesimus Annus Pro Pontifice Inc. | -- |
| Childrens Center of Cos Cob Inc. | -- |
| Cos Cob Volunteer Services Foundation Inc. | -- |
| Diamond Hill Community Service Corporation | -- |
| Dikaion Foundation | 4 |
| E H & C Foundation Ltd. | 4 |
| Football in the Community Inc. | -- |
| Garden Education Center of Greenwich Inc. | -- |
| Greenwich Adult Day Care Inc. | -- |
| Greenwich Adult Day Care Trust Fund | -- |
| Greenwich Athletic Association | -- |
| Greenwich High School Sports Foundation Inc. | -- |
| Greenwich Kids Triathlon | -- |
| Greenwich Land Trust Inc. | -- |
| Greenwich Safe Cycling | -- |
| Greenwich Soccer Association | -- |
| Greenwich Soccer Club Inc. | -- |
| Greenwich Water Polo Inc. | -- |
| Historical Society of the Town of Greenwich Inc. | -- |
| Jim Arden Foundation | -- |
| Kids in Crisis Inc. | -- |
| Mothering Center Inc. | -- |
| Nalewajek Family Foundation Inc. | 4 |
| Orthopaedic Foundation for Active Lifestyles Inc. | -- |
| Roger N Saleeby Memorial Scholarship Charitable Trust | -- |
| The Charis Charitable Foundation | 4 |
| The Cos Cob Fire Police Patrol Incorporated | -- |
| The Ocean View Foundation Inc. | 4 |
| The Sailing Foundation of New York Inc. | -- |
| Vervane Inc. | 4 |