| Name | Deductibility Code |
| 3 H O Foundation Massachusetts | -- |
| Bethany House Ministries Inc. | -- |
| Charles River Sinfonietta | -- |
| Clyde F Brown Home and School Association Inc. | -- |
| Friends of Millis Council on Aging | -- |
| Jeffry and Susan Hobbs-Steele Family Charitable Foundation | 4 |
| Millis Community Media Inc. | 4 |
| Millis Di Inc. | -- |
| Millis Educational Resource Initiatives Team Inc. | -- |
| Millis Fund Inc. | -- |
| New England Nursing Informatics Consortium Inc. | -- |
| Oak Grove Farm Playground Renovation Committee Inc. | -- |
| Remenber 9-11 Ride Inc. | -- |
| Woodside Montessori Academy Parent Guild | -- |