| Coalition for Public Safety Training in SchoolsOxon Hill | Form 990 | $243,923FY2025 |
| Computer Science and Engineering Foundation IncAnnapolis | Form 990 | $243,910FY2025 |
| Marriage and Relationship Education Center IncWestminster | Form 990 | $240,449FY2025 |
| Ocean City Paramedics Foundation IncOcean City | Form 990 | $239,742FY2025 |
| Pearl Foundation IncColumbia | Form 990 | $236,655FY2024 |
| Big Blue FoundationFrederick | Form 990 | $235,190FY2025 |
| Alpha Foundation of Howard County IncColumbia | Form 990 | $234,785FY2025 |
| Damascus High School Athletic Booster ClubDamascus | Form 990 | $233,433FY2025 |
| RHHS Boosters IncClarksville | Form 990 | $231,608FY2025 |
| Maryland Pesticide Education Network IncAnnapolis | Form 990 | $230,962FY2025 |
| The Book Thing of Baltimore IncBaltimore | Form 990 | $230,936FY2024 |
| Rage Against Addiction IncForest Hill | Form 990 | $227,897FY2024 |
| Spectrum Christian Homeschool CommunitySavage | Form 990 | $227,560FY2025 |
| Patriots IncCapitol Heights | Form 990 | $223,146FY2024 |
| Delta Foundation IncCapitol Heights | Form 990 | $219,466FY2024 |
| Uplift a Child International IncSilver Spring | Form 990 | $216,728FY2024 |
| Family Learning Solutions IncSilver Spring | Form 990 | $216,382FY2025 |
| Bethesda-Chevy Chase High School Educational Foundation IncChevy Chase | Form 990 | $213,905FY2025 |
| Association of Military Colleges & Schools of the United StatesArnold | Form 990 | $212,496FY2025 |
| Foundation of HopeEaston | Form 990 | $212,430FY2024 |
| Blakehurst Residents Scholarship Foundation IncTowson | Form 990 | $211,932FY2026 |
| Reservoir High School BoostersFulton | Form 990 | $211,890FY2025 |
| Al Rahmah Educational TrustWindsor Mill | Form 990 | $211,606FY2025 |
| Baltimore City College Scholarship Funds IncHunt Valley | Form 990 | $211,403FY2025 |
| North Hills Educational Foundation IncRising Sun | Form 990 | $208,904FY2025 |
| Interplay Orchestra IncBethesda | Form 990 | $208,770FY2025 |
| Spencer Wilson Scholarship Foundation IncGlenwood | Form 990 | $207,985FY2025 |
| Alsabeel Community Center IncRockville | Form 990 | $207,862FY2025 |
| New Mexico Society of Clinical OncologyRockville | Form 990 | $207,711FY2024 |
| Peace-Link CorporationGermantown | Form 990 | $205,750FY2024 |
| Harford County Education Foundation IncAbingdon | Form 990 | $204,365FY2025 |
| Maryland School Counselor AssociationColumbia | Form 990 | $202,812FY2025 |
| Friends of National Library of MedicineBethesda | Form 990 | $201,617FY2025 |
| Edenwald Scholarship Fund IncTowson | Form 990 | $199,660FY2025 |
| Management Skills for Wildlife ConservationChevy Chase | Form 990-EZ | $197,626FY2025 |
| Reach Beyond the BasicsTemple Hills | Form 990-EZ | $196,997FY2024 |
| Francis Scott Key Elementary Middle School PTO IncBaltimore | Form 990 | $196,336FY2025 |
| Easton High School Support Our Sports IncEaston | Form 990-EZ | $195,386FY2024 |
| The ExpoBethesda | Form 990-EZ | $194,550FY2025 |
| HC Drugfree IncColumbia | Form 990-EZ | $191,679FY2025 |
| Kiddie Land Child CareHyattsville | Form 990-EZ | $191,403FY2025 |
| Hereford High School Sports Boosters IncMonkton | Form 990 | $190,313FY2025 |
| Ua Local 486-Bernard J Vondersmith Memorial Scholarship FundBaltimore | Form 990 | $188,876FY2025 |
| Smash Molecule MMR ConferenceBerwyn Heights | Form 990-EZ | $188,370FY2024 |
| Change the Conversation IncOwings Mills | Form 990-EZ | $187,896FY2025 |
| Rudolph W Snowden Memorial Scholarship Fund IncUpper Marlboro | Form 990-EZ | $187,719FY2025 |
| Coach Doug Academy IncPotomac | Form 990-EZ | $187,633FY2026 |
| Bethesda Chevy Chase Nursery School IncChevy Chase | Form 990-EZ | $185,598FY2025 |
| EMPOWER4LIFEMD IncFallston | Form 990 | $184,407FY2024 |
| University of Livingstonia FoundationSilver Spring | Form 990-EZ | $181,616FY2025 |