| Name | Deductibility Code |
| 7th Maryland Volunteer Infantry Regiment | -- |
| Academy of Criminal Justice Sciences | -- |
| Accreditation Commission for Acupuncture and Oriental Medicine | -- |
| All-N-The Family Inc. | -- |
| American Housing Opportunities Fund | -- |
| Ancestral Knowledge Inc. | -- |
| Ashlin Urban Institute Inc. | -- |
| Asian Relief Inc. | -- |
| Astronomical Society of Greenbelt Inc. | -- |
| Bethesda Cultural Alliance Inc. | -- |
| Bread of Life Worship Assembly | -- |
| Calvary Assembly of Holy Cross Lutheran Church | -- |
| Center for Alternative Dispute Resolution Inc. | -- |
| Center for Helping and Healing Inc. | -- |
| Chesapeake Education Arts and Research Society | -- |
| Christs School Alumni Association of North America Inc. | -- |
| Citizens to Conserve and Restore Indian Creek Ccric Inc. | -- |
| Csiss Foundation Inc. | -- |
| D C Outfitters Inc. | 4 |
| Daniels Band Inc. | -- |
| David Craig Memorial Scholarship Fund Limited | -- |
| Dorsett Family Foundation Inc. | 4 |
| Dr Kanu Patel Family Foundation Inc. | 4 |
| Empowering Minds Foundation Inc. | -- |
| Faith Ministries Inc. | -- |
| Federation of Overseas Hong Kong Chinese Washington Dc Inc. | -- |
| Food Always Saves Thousands | -- |
| Free Education for Africa | -- |
| Friends of New Deal Cafe Arts Inc. | -- |
| Friends of Prince Georges County Libraries Inc. | -- |
| Friends of Still Creek Inc. | -- |
| Friends of the Greenbelt Museum Inc. | -- |
| Global Development Foundation Inc. | -- |
| Globals Leaders Inc. | -- |
| Goddard Child Development Center | -- |
| Greenbelt Access Television Inc. | -- |
| Greenbelt Association for the Visual Arts Inc. | -- |
| Greenbelt Boys & Girls Club | -- |
| Greenbelt Cultural Arts Center Inc. | -- |
| Greenbelt Farmers Market Inc. | -- |
| Greenbelt Nursery School Inc. | -- |
| Greenbelt Pride Inc. | -- |
| Greenbelt Volunteer Fire Department and Rescue Squad Inc. | 6 |
| Greenway Learning Center for Infants and Children Inc. | -- |
| Handreach Corporation | -- |
| Health N Motion | 4 |
| Home of Amazing Grace | -- |
| Icabe Inc. | -- |
| Iglesia Evangelica Principe De Paz Inc. | -- |
| Indus Educational Foundation Inc. | -- |
| Interfaith Coalition for the Environment | -- |
| Irving and Associates Character Education Services Inc. | -- |
| Jbj Liveable Communities & Education Resources Foundation Inc. | -- |
| Liberian Development Foundation Inc. | -- |
| Life Changers Family Church International Inc. | -- |
| Light of the World Christian Fellowship | -- |
| Love Foundation International Inc. | -- |
| Management Foundation Inc. | 4 |
| Markland Medieval Mercenary Militia Limited | -- |
| Maryland Association of Youth Services Bureaus Inc. | -- |
| Maryland Health Care Coalition Inc. | -- |
| Nami Prince Georges County Md Inc. | -- |
| National Association of Black Accountants | 1 |
| National Fenestration Rating | -- |
| National Volunteer Fire Council Foundation | -- |
| Neema Institute for Self Achievement | -- |
| New Life Community Baptist Church | -- |
| Nvfc 21st Century Fund | -- |
| Origin-Of-Life Foundation Inc. | 4 |
| Outoftheblackbox Theatre Company | -- |
| Partnership for Animal Welfare Inc. | -- |
| Princess Ejemen Foundation Inc. | -- |
| Progressive Initiative for Cameroon | -- |
| Redeemed Hope Fdn Inc. | -- |
| River of Life Center Inc. | -- |
| Robert T Freeman Dental Society Foundation | -- |
| Scientists Center for Animal Welfare | -- |
| Spirit and Life Church | -- |
| Sports Enhancements Inc. | 4 |
| Talented Ten Inc. | -- |
| Templo Evangelico Bethel | -- |
| The Evangelical Church of Yahweh | -- |
| University Research Foundation Inc. | -- |
| Uxsformu Inc. | -- |
| Viet Nam Medical Assistance Program Corp | -- |
| Wisdomhome Inc. | -- |
| Women of Excellence Ministries Inc. | -- |