| Historic Uniontown IncWestminster | Form 990-N | No figure |
| Alumni Association of St Marys College of Maryland IncSaint Marys City | Form 990-N | No figure |
| Rockville Art League IncRockville | Form 990-N | No figure |
| Sugarloaf Regional TrailsBarnesville | Form 990-N | No figure |
| New Town Association IncSalisbury | Form 990-N | No figure |
| Lamaze InternationalSilver Spring | Form 990-N | No figure |
| Share Your Christmas IncMillersville | Form 990-N | No figure |
| Sweet Adelines InternationalBel Air | Form 990-N | No figure |
| Easton Amateur Radio Society IncEaston | Form 990-N | No figure |
| Maryland 4-H Club Foundation IncMountain Lake Park | Form 990-N | No figure |
| Sampson High School Alumni Association IncRiverdale | Form 990-N | No figure |
| Magothy River Middle School Parent Teacher Student AssociationArnold | Form 990-N | No figure |
| American Trauma SocietyCatonsville | Form 990-N | No figure |
| Camp Airy Order of the Leaf Alumni IncBaltimore | Form 990-N | No figure |
| Wildwood Summer TheatreBethesda | Form 990-N | No figure |
| Adventure in Science IncGaithersburg | Form 990-N | No figure |
| National Sorority of Phi Delta Kappa IncHanover | Form 990-N | No figure |
| National Sorority of Phi Delta Kappa IncSalisbury | Form 990-N | No figure |
| Oxford Library IncorporatedOxford | Form 990-N | No figure |
| Labor and Employee Relations AssociationBethesda | Form 990-N | No figure |
| The Ridgelys Delight AssociationBaltimore | Form 990-N | No figure |
| Davies Concert Series Charitable TrustCamp Springs | Form 990-N | No figure |
| Friends of the Talbot County Free LibraryEaston | Form 990-N | No figure |
| Womens Committee of the German Orphan HomeOxon Hill | Form 990-N | No figure |
| React InternationalGlen Burnie | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| Church Women UnitedFrederick | Form 990-N | No figure |
| Edmondson Westview Recreation and Park CouncilCatonsville | Form 990-N | No figure |
| Society of Health and Physical EducatorsManchester | Form 990-N | No figure |
| Psi Chi the National Honor Society in PsychologyFrostburg | Form 990-N | No figure |
| National Steering Comm of the Assoc for the Imprvmt of Minorits in IrsUpper Marlboro | Form 990-N | No figure |
| The Federated Garden Clubs of Maryland IncMillersville | Form 990-N | No figure |
| Historical Old Salem IncCatonsville | Form 990-N | No figure |
| Hagerstown Model Railroad Museum IncSharpsburg | Form 990-N | No figure |
| Colonial Charlestown IncCharlestown | Form 990-N | No figure |
| Howard County Genealogical SocietyColumbia | Form 990-N | No figure |
| Friends of Poplar Hill Mansion IncSalisbury | Form 990-N | No figure |
| PTA Delaware CongressAbingdon | Form 990-N | No figure |
| PTA Delaware PTAEllicott City | Form 990-N | No figure |
| PTA Delaware CongressGaithersburg | Form 990-N | No figure |
| PTA Delaware CongressGreenbelt | Form 990-N | No figure |
| American Harp SocietyFort Meade | Form 990-N | No figure |
| Boonsboro Historical Society IncBoonsboro | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionFrederick | Form 990-N | No figure |
| La Leche League International IncPotomac | Form 990-N | No figure |
| Mount Tabor House of the Transfiguration IncHyattsville | Form 990-N | No figure |
| Cooleys Anemia Foundation of Maryland IncorporatedBaltimore | Form 990-N | No figure |
| Jobs Daughters InternationalLa Plata | Form 990-N | No figure |
| Association for Computing MachineryBaltimore | Form 990-N | No figure |
| Waverly Improvement Association IncBaltimore | Form 990-N | No figure |