| Name | Deductibility Code |
| Armenian Orthodox Theological Research Institute Inc. | -- |
| Beaks and Noses Inc. | -- |
| Bennett Public Library Association | -- |
| Billerica Access Television Inc. | -- |
| Billerica Community Alliance Inc. | -- |
| Billerica Firefighters Association | -- |
| Billerica Friends of Music Assoc Inc. | -- |
| Billerica Holiday Festival Inc. | -- |
| Billerica Junior High Football Club Inc. | -- |
| Billerica Parent Advisory Council for Special Education | -- |
| Billerica Partners for Education Inc. | -- |
| Billerica Public Library Foundation Inc. | -- |
| Billerica Turf Inc. | -- |
| Billerica Watchers Group | -- |
| Billerica Youth Basketball Inc. | -- |
| Billerica Youth Soccer Association | -- |
| Boys and Girls Club of Greater Billerica Inc. | -- |
| Buddhas Light International Association | -- |
| Crested Guardians Inc. | -- |
| Ditson School Association Inc. | -- |
| Family Friends of the Billerica Public Library Inc. | -- |
| Friends of Billerica Council on Aging | -- |
| Friends of the Billerica Public Library Incorporated | -- |
| Giving the Gift of Theatre Inc. | -- |
| Guild of the Good Shepherd | -- |
| Jilmar Foundation Inc. | 4 |
| Kathi Glavin Higgins Scholarship Inc. | -- |
| Kennedy Parent Teacher Organization Inc. | -- |
| Kids Respecting Kids Inc. | -- |
| National Public Safety Solutions Inc. | -- |
| New England Dinosaur Center Inc. | -- |
| Ohanian Family Foundation Inc. | 4 |
| Parker School Parent Teachers Organization | -- |
| Scorrybreac Fund Inc. | -- |
| Twelve Step Education Program of New England Inc. | -- |