| Name | Deductibility Code |
| American Center for Puccini Studies Inc. | -- |
| American Chinese School | -- |
| American Zionist Historical Society | -- |
| Anand Isher Guru Darbar | -- |
| Buddha Dhamma Sangha Association | -- |
| Celestial Manna Inc. | -- |
| Charl Ormond Williams Foundation | 4 |
| Church at Your House Inc. | -- |
| Ernestine Matthews Trust | 4 |
| Forest Oak Cemetery Assoc | 6 |
| Friends of the Agricultural History Farm Park Inc. | -- |
| Friends of the Meridian School Inc. | -- |
| Gertrude Atkins Wolcott and Kate Ann Humble Ebbeler Foundation Inc. | 4 |
| Global Gospel Ministries International | -- |
| Healing Getaway Health Institute Inc. | -- |
| Health and Education for Haiti Inc. | -- |
| International Society for Health and Development | -- |
| Jewish American Society for Historical Preservation | -- |
| Kung Mern Sern Tao Chang Tao Association Inc. | -- |
| Light of Indonesia | -- |
| Living in Purpose Ministries International Inc. | -- |
| Magruder High School Athletic Booster Club | -- |
| Montgomery County Extension Advisory Council Inc. | -- |
| Mpambara Cox Foundation Inc. | -- |
| Nanaksar Thath Ishar Darbar Ltd. | -- |
| Paper and Pencils Incorporated | -- |
| Progressive Speakers Bureau Inc. | -- |
| Rockville Baseball Association Inc. | -- |
| Stephan & Renee Rollin Family Charitable Foundation | 4 |
| The Church of the Virgin Mother | -- |
| The J C C Family Foundation | 4 |
| To Save A Life Foundation | -- |
| Washington D C Church of Christ | -- |
| World Communities Inc. | -- |