| Name | Deductibility Code |
| Calvert Churches Community Food Pantry Inc. | -- |
| Calvert County Day School Inc. | -- |
| Center for Admin Rehab Education & Employment Related Services Inc. | 4 |
| Doran Family Foundation Inc. | 4 |
| Friends of Calvert Hospice Inc. | -- |
| Friends of the Old Wallville School | -- |
| Hooves 4 Hope Inc. | -- |
| Huntingtown Church of Christ | -- |
| Huntingtown Volunteer Fire Department Rescue Squad | 6 |
| Johnny Balderson Memorial Scholarship Fund Inc. | -- |
| Maryland Space Business Roundtable Inc. | -- |
| Maryland Youth Baseball Inc. | 4 |
| Oracles & Utterances Incorporated | -- |
| Panthers Playground Foundation Inc. | 4 |
| Rafael Nieves Heart Foundation for Children | 4 |
| Robert Anderson Foundation | -- |
| Sacramento We Care Ministries | -- |
| Southern Maryland College Access Network Inc. | -- |
| Southern Maryland Traditional Music and Dance Inc. | -- |
| St. John Vianney Supporting Organization Inc. | -- |
| The Mike Dean Memorial Athletic Scholarship Fund | -- |
| The Tidewater School Inc. | -- |
| The Word Works Fellowship | -- |
| Westlake Village Swim Team | -- |