| Masonic Charities of Maryland IncCockeysville | Form 990 | $1,112,240FY2025 |
| Maryland Scottish Rite Charitable Foundation IncBaltimore | Form 990 | $1,049,034FY2025 |
| Blacks in Industrial Organizational Psychology IncorporatedBaltimore | Form 990-EZ | $74,773FY2025 |
| Anne Arundel County Retired Fire Fighters Association IncMillersville | Form 990-EZ | $69,455FY2025 |
| Gojam Mutual Association-Edir-Felege Ghion- IncRockville | Form 990-EZ | $59,739FY2025 |
| Champions Against Cancer IncHighland | Form 990-EZ | $51,454FY2024 |
| Pleasant Hill Cemetery Association IncorporatedFrederick | Form 990-EZ | $50,919FY2025 |
| Ghana Unity ASSOCIATION1Edgewood | Form 990-N | No figure |
| The Maryland Police Emerald Society IncBaldwin | Form 990-EZ | $36,024FY2025 |
| Tuskegee Airmen IncNational Harbor | Form 990-EZ | $16,140FY2023 |
| Chesapeake Bay Association of the DeafReisterstown | Form 990-N | No figure |
| Ehime Mbano Local Government Area Association Emla USA IncBowie | Form 990-N | No figure |
| SHALOM9FRIENDS IncSilver Spring | Form 990-N | No figure |
| The Bowie-Mitchellville MD Diamond FoundationBowie | Form 990-N | No figure |
| Chartley Homeowners Association IncReisterstown | Form 990-N | No figure |
| I U Families Association IncWorton | Form 990-N | No figure |
| Home Owners Association of DunleighCalifornia | Form 990-N | No figure |
| Northwestern High School Class of 1975 Alumni AssociationOwings Mills | Form 990-N | No figure |
| Mens Chevra Kadisha of Greater Washington IncSilver Spring | Form 990-N | No figure |
| Harrisville Malone Cemetery Maintenance Fund IncWoolford | Form 990-N | No figure |
| Cornerstone Grand Council IncAccokeek | Form 990-N | No figure |
| National Triplet Convention IncSilver Spring | Form 990-N | No figure |
| Shipley Cemetery IncWestminster | Form 990-N | No figure |
| Grand Lodge Cesko Slovanska Podporujici Spolecnost of BaltBaltimore | Form 990-N | No figure |
| Aligarh Muslim University Alumni Association Washington DC IncGaithersburg | Form 990-N | No figure |
| Musical AutistSevern | Form 990-N | No figure |
| Journey Continues IncWindsor Mill | Form 990-N | No figure |
| Ravens Roost 138Glen Burnie | Form 990-N | No figure |
| The Bohemian Cemetery Company of Baltimore City of the Grand Lodge CPBaltimore | Form 990-N | No figure |
| Southern Prince Georges Business and Professional WomensBrandywine | Form 990-N | No figure |
| The Air Force Cadet Officer Mentor Association IncForestville | Form 990-N | No figure |
| Potomac Bridle & Hiking Trails Association IncPotomac | Form 990-N | No figure |
| Union of Brothers & Sisters of Fords Asbury Lodge No 1Edgewood | Form 990-N | No figure |
| Ndugba UnitedOwings Mills | Form 990-N | No figure |
| Army Public Affairs Association IncFrederick | Form 990-N | No figure |
| Sigma Alpha Gamma Military Fraternity IncWaldorf | Form 990-N | No figure |
| Catonsville Mens Civic AssociationCatonsville | Form 990-N | No figure |
| Virtuous Women of All African Nations IncElkton | Form 990-N | No figure |
| Youth Sports Collaborative NetworkSilver Spring | Form 990-N | No figure |
| Baltimore County Corvette Club IncorporatedOwings Mills | Form 990-N | No figure |
| Our Lady of Apostles Secondary School Alumni Association North AmSilver Spring | Form 990-N | No figure |
| Sohy Co-Op LimitedHyattsville | Form 990-N | No figure |
| Aerial Port AssociationJb Andrews | Form 990-N | No figure |
| We R WiseFort Washington | Form 990-N | No figure |
| Ravens Roost 141Trappe | Form 990-N | No figure |
| Plus Consulting Career ClubHyattsville | Form 990-N | No figure |
| Bolicc IncWaldorf | Form 990-N | No figure |
| United States Naval Academy Parents Club of MarylandPhoenix | Form 990-N | No figure |
| Edsel a Spellman Jr Mount Ararat Lodge Charitable FoundationBel Air | Form 990-N | No figure |
| Spreadkarma FoundationBaltimore | Form 990-N | No figure |