| Name | Deductibility Code |
| Americas Strength Foundation Inc. | 4 |
| Art for A Cause Foundation Inc. | -- |
| Aureus Foundation | 4 |
| Christian Volunteers for Children | -- |
| Cms Band Boosters Inc. | -- |
| Eugene Bell Foundation | -- |
| Falcao Family Foundation Inc. | 4 |
| Fifth District Volunteer Fire Department Incorporated | -- |
| Foundation of Jesus Christ of Nazareth | 4 |
| Global Vision Foundation Inc. | -- |
| Harriet Tubman Foundation of Howard County Inc. | -- |
| Help International Inc. | -- |
| Hilltop Child Care Center Inc. | -- |
| Howard County Association of the Deaf | -- |
| Howard County Fire and Rescue Auxiliary | -- |
| Howard County Tennis Association Inc. | -- |
| Huaxing Language and Culture Center Ltd. | -- |
| Individual Differences in Learning Association Inc. | -- |
| Kids Instruction and Training Inc. | -- |
| Kiss-Root Philippines Incorporated | -- |
| Klm Youth Foundation Inc. | -- |
| Lewis & Harriet Lederer Foundation Inc. | -- |
| Mid-Atlantic Burn Camp Fund Incorporated | -- |
| National Capital Kennel Club Inc. | -- |
| Ocean Advocates Inc. | -- |
| Our Kids Matter Foundation of Maryland Inc. | -- |
| Ousborne Foundation Inc. | 3 |
| Prevencion | -- |
| Rhhs Boosters Inc. | -- |
| River Hill High School Music | -- |
| Robert and Cheryl Post Family Foundation Inc. | 4 |
| Sheepscot Little School Incorporated | -- |
| St. Louis the King Knights of Columbus Charity Fund Inc. | -- |
| Strengthening Young Families Inc. | -- |
| Support the Poor Inc. | -- |
| Tucker-Diggs Foundation Inc. | 4 |
| United States China-Education Council | -- |