| Catholic Daughters of the AmericasMount Airy | None required | No figure |
| Interfaith Consortium of Greater Cumberland IncCumberland | None required | No figure |
| Friends of the Patapsco Female InstEllicott City | None required | No figure |
| Steelworkers Community Service FundBaltimore | None required | No figure |
| Baltimore Mens Chorus IncTowson | None required | No figure |
| Aoc Educational Foundation IncOdanton | Form 990-N | No figure |
| Catholic Daughters of the AmericasSykesville | None required | No figure |
| Friends of Baltimore Maritime Museum IncBaltimore | None required | No figure |
| Spiritual Bread of Life Radio Ministry IncorporatedFort Washington | None required | No figure |
| Ruffed Grouse SocietyOakland | Form 990-N | No figure |
| Ruffed Grouse SocietyKeedysville | Form 990-N | No figure |
| Women Organized Resources for Liberia Development WorldPikesville | None required | No figure |
| Project House IncFrederick | None required | No figure |
| Naval Submarine LeaguePotomac | Form 990-N | No figure |
| Cecil County School of Technology Trade Foundation IncNorth East | None required | No figure |
| Continental Societies IncColumbia | Form 990-N | No figure |
| Ukraineaid IncGermantown | None required | No figure |
| Life-Long IncWestminster | None required | No figure |
| Catholic Daughters of the AmericasBaltimore | None required | No figure |
| Catholic Daughters of the AmericasBaltimore | None required | No figure |
| University of Maryland Eastern Shore National Alumni AssociationCapitol Heights | None required | No figure |
| Living Classrooms of America L L CBaltimore | Form 990-N | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| Victory Youth Centers IncHyattsville | None required | No figure |
| Resource Center for Religious Institutes IncSilver Spring | None required | No figure |
| Continental Societies IncCapitol Heights | Form 990-N | No figure |
| Mikvah of Baltimore IncBaltimore | None required | No figure |
| Continental Societies IncBaltimore | Form 990-N | No figure |
| Knights Templar Educational Foundation of the Grand EncampmentChestertown | Form 990-N | No figure |
| Association for Computing MachineryCollege Park | Form 990-N | No figure |
| Association for Computing MachineryTowson | Form 990-N | No figure |
| Distributive Education Clubs of AmericaHanover | Form 990 or 990-EZ | No figure |
| Knights Templar Educational Foundation of the Grand EncampmentLaurel | Form 990-N | No figure |
| Autism Society of AmericaRockville | Group return | No figure |
| Living Classrooms FoundationBaltimore | Form 990 or 990-EZ | No figure |
| John Bayliss Broadcast FoundationElkridge | None required | No figure |
| Christian Families in ActionLargo | None required | No figure |
| Association for Computing MachineryBaltimore | Form 990 or 990-EZ | No figure |
| Top Ladies of Distinction IncLaurel | Form 990 or 990-EZ | No figure |
| Continental Societies IncGlen Burnie | Form 990-N | No figure |
| Hadassah Mid-Atlantic AreaRockville | Form 990 or 990-EZ | No figure |
| Wesleyan Covenant AssociationGlenwood | Form 990 or 990-EZ | No figure |
| Miracle House Community Improvement Program IncFort Washington | None required | No figure |
| Ive Higher Studies IncChillum | None required | No figure |
| Jays People IncJefferson | Form 990-N | No figure |
| Greening Little Jamaica CorporationReisterstown | Form 990 or 990-EZ | No figure |