| Adrenal Cure Collective CorpFrederick | Form 990-EZ | $104,583FY2025 |
| Capital Digestive Research Institute IncChevy Chase | Form 990-EZ | $101,172FY2025 |
| Katherines Light FoundationMillersville | Form 990-EZ | $97,184FY2025 |
| International Regulatory Peptide Society IncorporatedBethesda | Form 990-EZ | $89,335FY2025 |
| Leaping for a Cure IncEaston | Form 990-EZ | $88,690FY2024 |
| Rpa Research & Education FoundationRockville | Form 990 | $87,336FY2024 |
| Decesaris-Prout Cancer Foundation IncDavidsonville | Form 990 | $75,935FY2024 |
| Alliance of Sleep Apnea Partners IncEllicott City | Form 990-EZ | $69,121FY2024 |
| George Sndyer Memorial Fund TrustLaurel | Form 990-EZ | $61,278FY2026 |
| Kathys Krew IncEllicott City | Form 990-EZ | $50,590FY2024 |
| Helminthological Society of WashingtonBowie | Form 990-N | No figure |
| Gastrocares IncChevy Chase | Form 990-N | No figure |
| Lisa Parks Foundation IncPasadena | Form 990-EZ | $35,400FY2025 |
| Mobility Is Freedom FoundationTowson | Form 990-N | No figure |
| Dandy Walker Alliance IncKensington | Form 990-N | No figure |
| International Stillbirth Alliance NFPBoyds | Form 990-N | No figure |
| Physician Scientist Support FoundationBethesda | Form 990-N | No figure |
| Diabetes National Institute IncChevy Chase | Form 990-N | No figure |
| Neurotherapy Research Anddevelopment Association IncNorth Potomac | Form 990-N | No figure |
| Childrens Rare Disease Organization IncPotomac | Form 990-N | No figure |
| Matt Golczewski Memorial Fund IncBel Air | Form 990-N | No figure |
| Connor Sheffield FoundationHavre de Grace | Form 990-N | No figure |
| Cory Heidaran Charitable FoundationPotomac | Form 990-N | No figure |
| Walter Spohn Trust IncSykesville | Form 990-N | No figure |
| Foundation for Facial Recovery IncRockville | Form 990-N | No figure |
| Life and Breath Foundation IncEllicott City | Form 990-N | No figure |
| Lyme Disease Research Foundation IncLutherville | Form 990-N | No figure |
| Foundation for Research on Information TechnologiesAnnapolis | Form 990-N | No figure |
| Our Little Jewels IncMount Airy | Form 990-N | No figure |
| Pushing Pink ElephantsAbingdon | Form 990-N | No figure |
| Gumdrop IncChevy Chase | Form 990-N | No figure |
| American Association of Indian Scientists in Cancer Research IncMontgomery Village | Form 990-N | No figure |
| Cancer Support Foundation IncEllicott City | Form 990-N | No figure |
| Best Answer for Cancer FoundationGaithersburg | Form 990-N | No figure |
| Stroup Kids for Kids Epilepsy FoundationTowson | Form 990-N | No figure |
| Moses Max Mindknit Research CenterColumbia | Form 990-N | No figure |
| Hear the Dream FoundationOdenton | Form 990-N | No figure |
| Center for Research and Analysis of Vascular Tumors IncBethesda | Form 990-N | No figure |
| Bike Towards the CurePerry Hall | Form 990-N | No figure |
| Andrea Henderson Memorial Fund IncSevern | Form 990-N | No figure |
| National Foundation for Cancer Research IncRockville | Form 990-N | No figure |
| Chinese American Medical Association IncGaithersburg | Form 990-N | No figure |
| Medical Professional Liability Association Education and ResearchRockville | Form 990-N | No figure |
| Computational Institute for Health and Environmental Research IncFrederick | Form 990-N | No figure |
| Jayantha Memorial Research FoundationSeverna Park | Form 990-N | No figure |
| Jude Jawhar Foundation IncWindsor Mill | Form 990-N | No figure |
| Practical Memory InstituteSilver Spring | Form 990-N | No figure |
| Psi Alpha Chapter of Phi Beta Psi SororityOlney | Form 990-N | No figure |
| Health Research and Innovation Foundation IncNorth Bethesda | Form 990-N | No figure |
| Memory Walk CollectiveCockeysville | Form 990-N | No figure |