| National Society of the Children of the American RevolutionTowson | Form 990-N | No figure |
| Cockeysville Optimist Foundation IncCockeysville | Form 990-N | No figure |
| South Shore Health AssociationCrownsville | Form 990-N | No figure |
| Parents Council of WashingtonBethesda | Form 990-N | No figure |
| PTA Delaware CongressSevern | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| Park School Parents Association IncBaltimore | Form 990-N | No figure |
| Trout UnlimitedTowson | Form 990-N | No figure |
| International Order of the Rainbow GirlsMcHenry | Form 990-N | No figure |
| Southern College Health AssociationSilver Spring | Form 990-N | No figure |
| Mid-Atlantic College Health AssociationSilver Spring | Form 990-N | No figure |
| Ohio College Health AssociationSilver Spring | Form 990-N | No figure |
| New York State College Health AssociationSilver Spring | Form 990-N | No figure |
| Friends of the Kent County Public Library IncChestertown | Form 990-N | No figure |
| Mason Dixon Historical Society IncWestminster | Form 990-N | No figure |
| Toastmasters InternationalGermantown | Form 990-N | No figure |
| Brothers and Sisters of the WayFrederick | Form 990-N | No figure |
| Toastmasters InternationalGermantown | Form 990-N | No figure |
| Toastmasters InternationalBowie | Form 990-N | No figure |
| Heritage Society of Essex and Middle River IncEssex | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| Psi Chi the National Honor Society in PsychologyOrchard Beach | Form 990-N | No figure |
| National Railway Historical Society Potomac Chapter IncKensington | Form 990-N | No figure |
| Institute of Management Accountants IncGrasonville | Form 990-N | No figure |
| Institute of Management Accountants IncSalisbury | Form 990-N | No figure |
| Sudlersville Community Betterment Club IncSudlersville | Form 990-N | No figure |
| PTA Delaware CongressBaltimore | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| PTA Delaware CongressGlen Burnie | Form 990-N | No figure |
| PTA Delaware CongressColumbia | Form 990-N | No figure |
| PTA Maryland Congress of Parent & Teachers IncColumbia | Form 990-N | No figure |
| PTA Delaware CongressEllicott City | Form 990-N | No figure |
| PTA Delaware CongressOlney | Form 990-N | No figure |
| National Society of the Sons of the American RevolutionTowson | Form 990-N | No figure |
| American Guild of Organists AgoGermantown | Form 990-N | No figure |
| District of Columbia Grotto of the National Speleological SocietyLaurel | Form 990-N | No figure |
| Upper Shore Genealogical Society of MarylandGreensboro | Form 990-N | No figure |
| International Society for Ethical Psychology and Psychiatry IncWelcome | Form 990-N | No figure |
| Dulaney High School Sports Boosters Club IncTimonium | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionPotomac | Form 990-N | No figure |
| Project 76 - an American AffairBaltimore | Form 990-N | No figure |
| National Society Colonial Dames Xvii CenturyColora | Form 990-N | No figure |
| Bou-Tem-Sci Charity Fund IncRosedale | Form 990-N | No figure |
| 9 Front Street Foundation IncBaltimore | Form 990-N | No figure |
| Psi Chi the National Honor Society in PsychologySalisbury | Form 990-N | No figure |
| Maryland American Turkish Association IncColumbia | Form 990-N | No figure |
| Deer Creek Watershed Association IncDarlington | Form 990-N | No figure |
| Potomac Fiber Arts Guild IncWalkersville | Form 990-N | No figure |
| Psi Chi the International Honor Society in PsychologyBowie | Form 990-N | No figure |