| WASHINGTON COUNTY MUSEUM OF FINE ARTS | Hagerstown | A510 Arts, Culture & Humanities | $3.7M | 1 |
| Moonshot Missions Inc | Bethesda | C02 Environment | $3.7M | 9 |
| AMERICAN UROGYNECOLOGIC SOCIETY | Silver Spring | G9XC Diseases, Disorders & Medical Disciplines | $3.7M | 4 |
| THE AMERICAN VISIONARY ART MUSEUM INC | Baltimore | A510 Arts, Culture & Humanities | $3.6M | 2 |
| MUNICIPAL AND COUNTY GOVERNMENT | Gaithersburg | — | $3.6M | 18 |
| NATIONAL COUNCIL ON RADIATION PROTECTION | Bethesda | C200 Environment | $3.6M | 5 |
| Maryland Association of Certified Public | Timonium | — | $3.6M | 4 |
| MONOCACY MONTESSORI COMMUNITIES | Frederick | — | $3.6M | 0 |
| INTERNATIONAL UNION OF ELEVATOR | Lanham | — | $3.6M | 16 |
| Montgomery Soccer Inc | Derwood | N64Z Recreation & Sports | $3.6M | 4 |
| EVERGREEN SCHOOL INC | Silver Spring | — | $3.6M | 1 |
| EASTPORT YACHT CLUB LIMITED | Annapolis | — | $3.6M | 1 |
| FOUNTAIN HEAD COUNTRY CLUB INCORPORATED | Hagerstown | — | $3.6M | 4 |
| NATIONAL COUNCIL FOR THE SOCIAL STUDIES | Silver Spring | V20C Social Science | $3.6M | 2 |
| UPPER SHORE AGING INC | Chestertown | P81Z Human Services | $3.6M | 1 |
| LOWER SHORE ENTERPRISES | Salisbury | J33Z Employment | $3.6M | 2 |
| HOWARD COMMUNITY COLLEGE EDUCATIONAL | Columbia | B41I Education | $3.6M | 0 |
| BYWATER MUTUAL HOMES INC | Annapolis | — | $3.6M | 0 |
| Hildas Place Behavioral Health Organization Inc | Glenwood | F20 Mental Health & Crisis Intervention | $3.6M | 1 |
| AMERICAN LUMBER STANDARD COMMITTEE | Frederick | C99 Environment | $3.6M | 6 |
| MARYLAND UNITED FC INC | Upper Marlboro | N64 Recreation & Sports | $3.6M | 0 |
| CHESAPEAKE CHARITIES INC | Stevensville | T31 Philanthropy, Voluntarism & Grantmaking Foundations | $3.6M | 1 |
| BIOMEDICAL ENGINEERING SOCIETY | Landover | — | $3.6M | 1 |
| NATIONAL FOUNDATION FOR INFECTIOUS | Bethesda | — | $3.6M | 4 |
| TECHNOLOGY COUNCIL OF MARYLAND | Frederick | S41 Community Improvement & Capacity Building | $3.6M | 3 |
| WASHINGTON COUNTY COMMISSION ON | Hagerstown | — | $3.6M | 2 |
| NAOMI AND NEHEMIAH COHEN FOUNDATION | Bethesda | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $3.6M | 2 |
| WESTMINSTER INGLESIDE PRESBYTERIAN | Rockville | L220 Housing & Shelter | $3.6M | 6 |
| HYDROCEPHALUS ASSOCIATION | North Bethesda | G48Z Diseases, Disorders & Medical Disciplines | $3.6M | 6 |
| SARCOMA FOUNDATION OF AMERICA | Damascus | A12 Arts, Culture & Humanities | $3.5M | 3 |
| ASSOCIATION OF MILITARY SURGEONS OF | Gaithersburg | G9BC Diseases, Disorders & Medical Disciplines | $3.5M | 2 |
| MACHA INC | Linthicum Heights | — | $3.5M | 1 |
| The Barker Adoption Foundation | Bethesda | P310 Human Services | $3.5M | 7 |
| COLOR OF GASTROINTESTINAL ILLNESSES INC | Lanham | E02 Health Care | $3.5M | 1 |
| SOUTHEAST COMMUNITY DEVELOPMENT | Baltimore | T31 Philanthropy, Voluntarism & Grantmaking Foundations | $3.5M | 1 |
| Wildlife Habitat Council | Bethesda | D300 Animal-Related | $3.5M | 3 |
| Maryland Crime Victims' Resource Center | Upper Marlboro | — | $3.5M | 3 |
| National Center for Healthy Housing Inc | Columbia | M40 Public Safety, Disaster Preparedness & Relief | $3.5M | 5 |
| NEIGHBORHOOD SERVICE CENTER INC | Easton | L210 Housing & Shelter | $3.5M | 1 |
| OCEAN PINES VOLUNTEER FIRE DEPARTMENT | Ocean Pines | M24Z Public Safety, Disaster Preparedness & Relief | $3.5M | 0 |
| MARCH ON MARYLAND | Annapolis | R60 Civil Rights, Social Action & Advocacy | $3.5M | 1 |
| CENTRO DE LOS DERECHOS | Baltimore | — | $3.5M | 1 |
| UNITED STATES - JAPAN FOUNDATION | Owings Mills | — | $3.5M | 1 |
| CORNELL DOUGLAS FOUNDATION INC | Bethesda | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $3.5M | 0 |
| ASSOCIATION OF ACADEMIC PHYSIATRISTS | Owings Mills | F99C Mental Health & Crisis Intervention | $3.4M | 2 |
| INTERNATIONAL ASSOCIATION OF MACHINISTS | Upper Marlboro | — | $3.4M | 15 |
| INTERNATIONAL ACADEMY OF FAMILY LAWYERS | Bethesda | — | $3.4M | 0 |
| WALDORF VOLUNTEER FIRE DEPT INC | Waldorf | — | $3.4M | 0 |
| PRO BONO RESOURCE CENTER OF MARYLAND | Baltimore | I80 Crime & Legal-Related | $3.4M | 1 |
| CTPF HOLDING CORPORATION | Chevy Chase | S470 Community Improvement & Capacity Building | $3.4M | 0 |
