| Name | Deductibility Code |
| Aberdeen Bible Church | -- |
| Aberdeen Board Parks & Recreation Inc. | -- |
| Aberdeen Community Projects Committee Inc. | -- |
| Aberdeen Economic & Development Corporation | -- |
| Aberdeen Fire Department Incorporated | 6 |
| Aberdeen Heritage Trust Inc. | -- |
| Aberdeen Lions Charities Inc. | -- |
| Adam McGugin Memorial Research Fund | -- |
| Alphas Glory Crisis Pregnancy Center Incorporated | -- |
| American Research Center Inc. | 4 |
| Arc Northern Chesapeake Region Foundation Inc. | -- |
| Association for the Prevention of Sickle Cell Anemia Inc. | -- |
| Baker Cemetery Company of Harford County | 6 |
| Bible Truth Apostolic Church of Deliverance Inc. | -- |
| Boys and Girls Club of Harford County Maryland Inc. | -- |
| Bread of Life Ministries | -- |
| Caring Hands and Hearts Incorporated | -- |
| Caring Hands Inc. | -- |
| Emmanuel Fg Church | -- |
| Faith Worship Center | -- |
| Friends of Rain Forests in Myannar | 4 |
| Global Business Network | -- |
| Gospel Lightship International Incorporated | -- |
| Grassroots Steering Foundation | -- |
| Harford Family House Inc. | -- |
| Helping One Another Inc. | -- |
| Highway Holiness of the P A F W Church Incorporated | -- |
| Holy Temple Urban Connectional Church | -- |
| Hopewell Cemetery Assoc | 6 |
| Increasing Dimensions Child Development Center | -- |
| Inner-County Outreach | -- |
| Innovative Community Development Inc. | -- |
| Iota Alpha Lambda Chapter of Alpha Phi Alpha Fraternity Inc. | 2,6 |
| Key Point Health Services Inc. | -- |
| Kingdom of Praise | -- |
| Korean War Veterans Association Aberdeen Md Chapter 271 | 6 |
| Lint Center for National Security Studies Inc. | -- |
| Md Free State Chapter Womens Army Corps Veterans Assn | 6 |
| Meda Foundation Inc. | -- |
| National Cancer Research Center Inc. | 4 |
| Northeastern Maryland Intergroup of Alcoholics Anonymous Inc. | -- |
| On Time Church Ministries Inc. | -- |
| Open Doors Career Center Inc. | -- |
| Our Fathers Heart | -- |
| Pentecostal Followers of Jesus Christ International Ministries | -- |
| Perry Gardens Opportunity Center Inc. | -- |
| Pooles Dog Rescue Inc. | -- |
| Refuge Temple Ministries Church of God in Christ | -- |
| Spin Inc. | -- |
| St. Anthony Homes Inc. | -- |
| Stepney Faith Center Incorporated | -- |
| The Arc Northern Chesapeake Region Incorporated | -- |
| The Carpenters House | -- |
| True Joy Healing & Restoration Ministries Inc. | -- |
| United Female Veterans of America Inc. | 6 |
| Walker Cancer Research Institute Inc. | -- |