| Friends of Benjamin Banneker Historic Park and MuseumMiddle River | Form 990-N | No figure |
| Lincoln Park Historical Foundation IncRockville | Form 990-N | No figure |
| Friends of the Caroline County Public Library IncDenton | Form 990-N | No figure |
| Natya Kala Mandir IncCockeysville | Form 990-N | No figure |
| Vilakku Literary Society IncNorth Potomac | Form 990-N | No figure |
| Red Light TheatreGermantown | Form 990-N | No figure |
| John Clare Society of North America IncCambridge | Form 990-N | No figure |
| Save Tillie IncSilver Spring | Form 990-N | No figure |
| St Michaels of Poplar Springs Council Charity FundMount Airy | Form 990-N | No figure |
| Comfort Intercessory Ministries IncBurtonsville | Form 990-N | No figure |
| India Heritage Foundation of Washington D C IncPotomac | Form 990-N | No figure |
| Hagerstown & Frederick Railway Historical Society IncorporatedFrederick | Form 990-N | No figure |
| Hyattstown Mill Arts ProjectUnion Bridge | Form 990-N | No figure |
| Yan Xin Life Science & Technology Foundation IncRockville | Form 990-N | No figure |
| Amaranthine Museum Les Harris FoundationTowson | Form 990-N | No figure |
| Creativity 21st Century IncBethesda | Form 990-N | No figure |
| Rossmoor Art GuildSilver Spring | Form 990-N | No figure |
| Friends of the Historic Great Falls Tavern IncPotomac | Form 990-N | No figure |
| Baltimore Mandolin OrchestraChase | Form 990-N | No figure |
| Trinity Chamber Orchestra IncGermantown | Form 990-N | No figure |
| Live Garra Theatre IncSilver Spring | Form 990-N | No figure |
| The Historic Elk Landing Foundation IncElkton | Form 990-N | No figure |
| Chorus of DorchesterCambridge | Form 990-N | No figure |
| The Black Writers Guild of Maryland IncBaltimore | Form 990-N | No figure |
| Rude Mechanicals IncGreenbelt | Form 990-N | No figure |
| Friends of Rising Sun Inn IncCrownsville | Form 990-N | No figure |
| Igala Association U S A IncBowie | Form 990-N | No figure |
| Torsk Volunteer Association IncMount Airy | Form 990-N | No figure |
| Chamber Music AnnapolisAnnapolis | Form 990-N | No figure |
| Elkton Town Band IncElkton | Form 990-N | No figure |
| Cork Factory IncBaltimore | Form 990-N | No figure |
| Preservation Howard County IncSimpsonville | Form 990-N | No figure |
| Chinese Opera Society of Greater Washington DC IncPotomac | Form 990-N | No figure |
| United Jewish Council of Anne Arundel County IncAnnapolis | Form 990-N | No figure |
| Garrett Park Music School IncKensington | Form 990-N | No figure |
| Rockville Brass Band IncSilver Spring | Form 990-N | No figure |
| Venus Theatre CoLaurel | Form 990-N | No figure |
| James Shaull Wagon Train Foundation IncorporatedClear Spring | Form 990-N | No figure |
| National Katyn Memorial Foundation IncBaltimore | Form 990-N | No figure |
| South Dorchester Folk Museum IncCambridge | Form 990-N | No figure |
| Cinema Art Bethesda IncBethesda | Form 990-N | No figure |
| Asian American Cultural Society of CumberlandLa Vale | Form 990-N | No figure |
| Schoolhouse Quilters Guild IncCumberland | Form 990-N | No figure |
| Evergreen Behavioral Research Institute IncBowie | Form 990-N | No figure |
| Double Mills IncMardela | Form 990-N | No figure |
| Sowebo Arts IncBaltimore | Form 990-N | No figure |
| Creative Arts Studio IncGaithersburg | Form 990-N | No figure |
| Chesapeake Bay Watershed Archeological Foundation IncTilghman | Form 990-N | No figure |
| Todds Inheritance Historic SiteSparrows Point | Form 990-N | No figure |
| Sykesville & Patapsco RailwayWestminster | Form 990-N | No figure |