Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| SLK Health Services CorporationLanham | Form 990 | $514,105FY2023 |
| The Maryland Sickle Cell Disease Ssociation IncorporatedColumbia | Form 990 | $481,769FY2024 |
| Evans Victory Against Neuroblastoma Foundation IncGermantown | Form 990 | $468,923FY2024 |
| Society for the Neural Control of MovementBaltimore | Form 990 | $460,350FY2024 |
| Haystack Project IncSeverna Park | Form 990 | $448,047FY2025 |
| Autism ProjectNorth Beach | Form 990 | $339,907FY2024 |
| ARID1B Research FoundationChevy Chase | Form 990 | $335,695FY2024 |
| National Gaucher Foundation IncRockville | Form 990 | $316,069FY2025 |
| Ronald G Michels Fellowship Foundation IncRiderwood | Form 990 | $281,021FY2025 |
| Tracys Kids IncBethesda | Form 990 | $249,663FY2025 |
| Fibrous Dysplasia Foundation IncBethesda | Form 990 | $245,764FY2025 |
| International Paruresis Association IncCatonsville | Form 990 | $238,136FY2024 |
| Heart Disease Prevention and Training Centre IncEllicott City | Form 990 | $223,885FY2025 |
| Red Devils IncLutherville-Timonium | Form 990 | $222,331FY2024 |
| American Acne and Rosacea SocietyGlenn Dale | Form 990 | $212,454FY2024 |
| Shadow Jumpers IncBethesda | Form 990 | $205,786FY2025 |
| Sports Neuropsychology Society IncSilver Spring | Form 990-EZ | $195,068FY2025 |
| International Conference of Young People in Alcoholics Anonymous IncFulton | Form 990-EZ | $193,507FY2024 |
| United Hemophilia FoundationMitchellville | Form 990-EZ | $187,470FY2025 |
| Fishing for MD Foundation IncDayton | Form 990-EZ | $184,751FY2024 |
| MS 4 MSArnold | Form 990 | $184,294FY2024 |
| Autism Society of America Foundation IncRockville | Form 990 | $181,121FY2024 |
| American Academy of Pain Medicine FoundationColumbia | Form 990-EZ | $175,045FY2024 |
| Captain Steves Poor Girls Open IncOcean City | Form 990 | $173,681FY2025 |
| Mississippi Oncology Society IncSeverna Park | Form 990 | $172,453FY2024 |
| Sports Plus Group IncGaithersburg | Form 990-EZ | $165,415FY2025 |
| Partnership for Extraordinary Minds IncChevy Chase | Form 990-EZ | $135,991FY2025 |
| Mike Shane Memorial Fund IncCrownsville | Form 990-EZ | $135,539FY2024 |
| GBMC Ophthalmology Educational Foundation IncTowson | Form 990 | $135,012FY2025 |
| AIDS Action Baltimore IncBaltimore | Form 990-EZ | $132,798FY2025 |
| Run for the Stripes IncBethesda | Form 990-EZ | $127,018FY2026 |
| For 3 SistersOlney | Form 990-EZ | $122,468FY2024 |
| Childhood Brain Tumor FoundationGermantown | Form 990-EZ | $120,632FY2025 |
| Maryland Cruzin for a Cause IncElkton | Form 990-EZ | $115,109FY2025 |
| Team Trace IncWye Mills | Form 990-EZ | $111,956FY2024 |
| Yes IncSykesville | Form 990-EZ | $103,854FY2025 |
| Mattie J T Stepanek Foundation IncRockville | Form 990-EZ | $95,068FY2024 |
| Kellys Dream IncNottingham | Form 990-EZ | $91,436FY2024 |
| Lea Marie Faraone Foundation to Assist Children Living with ChroniTowson | Form 990-EZ | $84,615FY2025 |
| Maryland Dermatologic Society IncBaltimore | Form 990 | $83,197FY2025 |
| Rally Against Parkinsons - HarfordBel Air | Form 990-EZ | $74,934FY2024 |
| International Wagr Syndrome AssociationMontgomery Village | Form 990-EZ | $73,819FY2025 |
| Running on Air IncLoch Hill | Form 990-EZ | $72,251FY2024 |
| Down Right Perfect IncBaltimore | Form 990-EZ | $64,885FY2025 |
| Oncology Foundation of Maryland and the District of Columbia IncSeverna Park | Form 990-EZ | $62,273FY2024 |
| Xia-Gibbs Society IncFrederick | Form 990-EZ | $59,094FY2025 |
| Tyanna Barre Obrien Breast Cancer Foundation IncBaltimore | Form 990-EZ | $58,003FY2024 |
| Bethesda Orthopaedic AlumniassociationTowson | Form 990-EZ | $57,450FY2024 |
| Jake Cassell Fund for Special Needs IncBethesda | Form 990-EZ | $55,237FY2025 |
| Bosom Buddies Charities IncStevensville | Form 990-EZ | $45,546FY2026 |
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