| Maryland Hospital Education and Research Foundation IncorporatedElkridge | Form 990 | $947,451FY2024 |
| Friends of Jug Bay Wetlands Sanctuary IncLothian | Form 990 | $946,980FY2024 |
| Writers Center IncBethesda | Form 990 | $927,151FY2025 |
| Lutherville Volunteer Fire CompanyLutherville-Timonium | Form 990 | $925,505FY2025 |
| Catoctin Furnace Historical Society IncThurmont | Form 990 | $925,273FY2025 |
| Jewish Federation of Howard County IncColumbia | Form 990 | $924,233FY2025 |
| American Hiking SocietySilver Spring | Form 990 | $896,412FY2024 |
| Bowie Boys & Girls Club IncBowie | Form 990 | $895,625FY2024 |
| The Kingsville Volunteer Fire CompanyKingsville | Form 990 | $887,288FY2025 |
| Maryland State Boychoir IncBaltimore | Form 990 | $885,475FY2025 |
| Berlin Fire Company IncBerlin | Form 990 | $884,506FY2025 |
| National Correctional Industries Association IncBaltimore | Form 990 | $881,629FY2025 |
| The Loading Dock IncBaltimore | Form 990 | $876,176FY2025 |
| American Registry of PathologyRockville | Form 990 | $873,875FY2025 |
| Hickory Recreational Council IncorporatedForest Hill | Form 990 | $871,125FY2026 |
| Mt Airy Youth Athletic Assn IncMount Airy | Form 990 | $856,241FY2025 |
| Walkersville Volunteer Rescue Co IncWalkersville | Form 990 | $851,351FY2025 |
| Benevolent & Protective Order of Elks of the USACrownsville | Form 990 | $843,093FY2025 |
| The Childrens Cancer Foundation IncColumbia | Form 990 | $840,335FY2024 |
| Religious Effort to Assist & Care for the Homeless IncHagerstown | Form 990 | $836,796FY2025 |
| Boy Scouts of AmericaHagerstown | Form 990 | $835,889FY2023 |
| Lumen Catechetical Consultants IncSilver Spring | Form 990 | $826,440FY2024 |
| Kingsbury Wellness and Learning GroupSilver Spring | Form 990 | $822,718FY2024 |
| Laurel Volunteer Rescue Squad IncLaurel | Form 990 | $816,788FY2025 |
| Washington DC Meals on Wheels IncTakoma Park | Form 990 | $816,376FY2024 |
| Baltimore Leadership Development Organization IncBaltimore | Form 990 | $813,568FY2025 |
| Council on Economic Education in MarylandTowson | Form 990 | $811,188FY2025 |
| Avondale Park Apartments IncRockville | Form 990 | $800,699FY2024 |
| Cecilton Vol Fire Co IncCecilton | Form 990 | $799,814FY2025 |
| Church Hill Volunteer Fire Company IncChurch Hill | Form 990 | $794,332FY2025 |
| Essex Community Development CorporationEssex | Form 990 | $789,172FY2024 |
| Sheppard and Enoch Pratt Foundation IncBaltimore | Form 990 | $783,869FY2025 |
| Warrior Run Manor IncFrederick | Form 990 | $782,673FY2024 |
| Joint Review Committee on Education in Diagnostic Medical SonographyEllicott City | Form 990 | $780,987FY2025 |
| National Phlebotomy AssociationLandover | Form 990 | $780,603FY2024 |
| Coursey Station Apartments IncTimonium | Form 990 | $779,294FY2025 |
| Upper Montgomery County Volunteer Fire Department IncBeallsville | Form 990 | $779,109FY2025 |
| Cecil Anchorpoint IncElkton | Form 990 | $770,340FY2025 |
| Natural History Society of Maryland IncBaltimore | Form 990 | $762,677FY2025 |
| Union Bridge Volunteer Fire Co IncUnion Bridge | Form 990 | $755,308FY2025 |
| Gaithersburg Help IncGaithersburg | Form 990 | $754,612FY2024 |
| Black Church Food Security NetworkBaltimore | Form 990 | $741,650FY2024 |
| Downtown Sykesville Connection IncSykesville | Form 990 | $739,274FY2025 |
| Southern Orthopaedic AssociationTowson | Form 990 | $738,363FY2024 |
| Friends of the East Broad Top IncUpper Marlboro | Form 990 | $737,920FY2024 |
| Victory Lakeside IncRockville | Form 990 | $734,594FY2024 |
| Soccer Assoc for YouthBaltimore | Form 990 | $721,898FY2025 |
| Maryland Lawyers for the Arts IncBaltimore | Form 990 | $721,605FY2025 |
| Maryland States Attorneys Association IncorporatedEllicott City | Form 990 | $721,079FY2025 |
| Palmer Park Seniors Housing IncRockville | Form 990 | $711,074FY2024 |