| Itineris Inc | Baltimore | B90 Education | $7.7M | 1 |
| THE COUNTRY SCHOOL INC | Easton | — | $7.7M | 1 |
| THE BALTIMORE TEACHERS UNION LOCAL 340 | Baltimore | — | $7.6M | 6 |
| SACRED HEART HOME | Hyattsville | E910 Health Care | $7.6M | 3 |
| ENGLAND FAMILY FOUNDATION | Bethesda | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $7.6M | 1 |
| THE THOMAS O'NEILL CATHOLIC HEALTH CARE FUND | Baltimore | E110 Health Care | $7.6M | 2 |
| DUPKIN EDUCATIONAL AND CHARITABLE FOUNDATION INC | Owings Mills | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $7.6M | 0 |
| SAINT MARY'S HOUSING CORPORATION | Bethesda | — | $7.6M | 0 |
| LAKE LINGANORE ASSOCIATION | New Market | S22 Community Improvement & Capacity Building | $7.6M | 2 |
| Association of Immunization Managers | Rockville | G80 Diseases, Disorders & Medical Disciplines | $7.6M | 6 |
| FEDERATION OF AMERICAN SOCIETIES FOR EXPERIMENTAL BIOLOGY | Rockville | — | $7.5M | 7 |
| Mobile Medical Care Inc | Rockville | E32Z Health Care | $7.5M | 5 |
| CHIMES VIRGINIA INC | Baltimore | P80 Human Services | $7.5M | 5 |
| UNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES PLUMBERS LOCAL #5 | Lanham | — | $7.5M | 7 |
| THE HARFORD DAY SCHOOL INCORPORATED | Bel Air | B240 Education | $7.5M | 3 |
| DAYSPRING PROGRAMS INC | Baltimore | P80 Human Services | $7.5M | 1 |
| INDIA DEVELOPMENT AND RELIEF FUND INC | North Bethesda | Q300 International, Foreign Affairs & National Security | $7.5M | 1 |
| BEHAVIORAL RESEARCH ASSOCIATES INC | Fort Washington | — | $7.5M | 5 |
| Trustees of the Endowment Fund of the University of Maryland | Baltimore | — | $7.4M | 1 |
| THE SCHULMAN FOUNDATION INC | Oxford | T22Z Philanthropy, Voluntarism & Grantmaking Foundations | $7.4M | 0 |
| TALBOT COUNTRY CLUB INC | Easton | — | $7.4M | 5 |
| Romanian League in Defense of Animals | Crofton | D20 Animal-Related | $7.3M | 1 |
| LUMINIS HEALTH J KENT MCNEW FAMILY MEDICAL CENTER INC | Annapolis | F31 Mental Health & Crisis Intervention | $7.3M | 14 |
| OPPORTUNITY BUILDERS INC | Millersville | J30Z Employment | $7.3M | 4 |
| THE AMERICAN SOCIETY OF BREAST SURGEONS | Columbia | — | $7.3M | 16 |
| MAC INCORPORATED | Salisbury | — | $7.3M | 1 |
| VOLOSOV FAMILY FOUNDATION INC | Baltimore | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $7.3M | 2 |
| UNIVERSITY OF MARYLAND ORTHOPAEDIC TRAUMA ASSOCIATES PA | Baltimore | E300 Health Care | $7.3M | 4 |
| THE AARON & LILLIE STRAUS FDN INC 9830002 | Baltimore | T22Z Philanthropy, Voluntarism & Grantmaking Foundations | $7.3M | 1 |
| THE CENTER FOR LIFE ENRICHMENT INC | Hollywood | — | $7.3M | 2 |
| FAIRVOTE | Silver Spring | R400 Civil Rights, Social Action & Advocacy | $7.2M | 14 |
| MARYLAND ASSOCIATION OF REALTORS INC | Annapolis | — | $7.2M | 6 |
| MITAGS INC | Linthicum Heights | J22 Employment | $7.2M | 3 |
| THE COMMUNITY COLLEGE OF BALTIMORE COUNTY FOUNDATION INC | Baltimore | B11 Education | $7.2M | 1 |
| EXECUTIVE CHILD DEVELOPMENT CENTER | Rockville | P33Z Human Services | $7.2M | 1 |
| THE CENTER CLUB INC | Baltimore | — | $7.2M | 5 |
| T ROWE PRICE FOUNDATION | Baltimore | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $7.2M | 15 |
| ARTS AND HUMANITIES COUNCIL OF MONTGOMER | Silver Spring | A260 Arts, Culture & Humanities | $7.2M | 1 |
| BALTIMORE LAB SCHOOL INC | Baltimore | B20 Education | $7.2M | 2 |
| NATIONAL FENESTRATION RATING COUNCIL | Greenbelt | P20Z Human Services | $7.1M | 9 |
| MILITARY HEALTH RESEARCH FOUNDATION | Laurel | U40 Science & Technology | $7.1M | 4 |
| ELEV8BALTIMOREINC | Baltimore | B80 Education | $7.1M | 2 |
| CHESTERWYE CENTER INC | Grasonville | P820 Human Services | $7.1M | 6 |
| WELLS HOUSE INC | Hagerstown | — | $7.1M | 0 |
| ROCKBRIDGE ACADEMY INC | Crownsville | B20Z Education | $7.1M | 1 |
| AMERICAN CENTER FOR PHYSICS INC | College Park | U300 Science & Technology | $7.1M | 6 |
| APPALACHIAN PARENT ASSOCIATION INC | Oakland | P820 Human Services | $7.1M | 1 |
| MARYLAND PHILANTHROPY NETWORK | Baltimore | — | $7.1M | 2 |
| CAROLINE CENTER INC | Ridgley | — | $7.1M | 2 |
| THE AMERICAN SOCIETY FOR CELL BIOLOGY | Rockville | — | $7.1M | 8 |
