| Name | Deductibility Code |
| Church of Southwick | -- |
| Citizens Restoring Congamond Inc. | -- |
| H E E P Foundation | -- |
| National Explosive Ordinance Disposal Association Inc. | -- |
| Northeast Hawkwatch Inc. | -- |
| Nws Elite Inc. | -- |
| Qualifying Times Ministries | -- |
| Southwick Cooperstown Association | -- |
| Southwick Historical Society Inc. | -- |
| Southwick Police Association Incorporated | -- |
| Southwick Recreation Center Inc. | 5 |
| Southwick Senior Citizens Inc. | -- |
| Sportsmens National Land Trust Massachusetts Chapter Inc. | -- |
| Team Justice Racing | -- |
| The Good Morning Fund Inc. | -- |
| Wellspring Church | -- |
| Woodland Elementary School P T O | -- |