| Leonardtown High School Band BoostersLeonardtown | Form 990-N | No figure |
| Patterson High School Alumni Association IncBaltimore | Form 990-N | No figure |
| Music Teachers National Association IncFrederick | Form 990-N | No figure |
| Baltimore Delta Alumnae Foundation IncBaltimore | Form 990-N | No figure |
| Washington DC Chapter of the Rocks IncForestiville | Form 990-N | No figure |
| Maryland Association for the Education of Young ChildrenGlen Burnie | Form 990-EZ | $0FY2025 |
| Goodloe Learning CommunityBowie | Form 990-N | No figure |
| Salamander Fire Protection Engineering Honorary SocietyCollege Park | Form 990-N | No figure |
| Maryland Association of School Librarians IncOcean Pines | Form 990-N | No figure |
| PTA Delaware CongressPasadena | Form 990-N | No figure |
| Friends of the Ruth Enlow LibraryOakland | Form 990-N | No figure |
| Standards Alumni AssociationGaithersburg | Form 990-N | No figure |
| Washington County Sports Hall of Fame IncHagerstown | Form 990-N | No figure |
| Carroll County Dental SocietyHampstead | Form 990-N | No figure |
| Glen Burnie Park Elementary School Parent Teacher OrganizationGlen Burnie | Form 990-N | No figure |
| Friends of the Hereford Library IncHereford | Form 990-N | No figure |
| Clearspring PTA IncDamascus | Form 990-N | No figure |
| Redland Middle School PTA IncDerwood | Form 990-N | No figure |
| Free State Fly Fishers IncDavidsonville | Form 990-N | No figure |
| K M MinistriesBaltimore | Form 990-N | No figure |
| PTA Laytonsville Elementary School Maryland CongressLaytonsville | Form 990-N | No figure |
| PTA Maryland Congress of Parents & Teachers IncMiddletown | Form 990-N | No figure |
| PTA Delaware CongressGermantown | Form 990-N | No figure |
| Fort Hill Cheerleading ClubCumberland | Form 990-N | No figure |
| Central Maryland Antique Tractor Club IncWilliamsport | Form 990-N | No figure |
| Growing Together IncorporatedSilver Spring | Form 990-N | No figure |
| Linwood H Jordan Commercial Art Achievement AwardBaltimore | Form 990-N | No figure |
| PTA Delaware CongressThurmont | Form 990-N | No figure |
| Flower Hill Elementary School PTA IncGaithersburg | Form 990-N | No figure |
| Mount Airy Middle School PtsoMount Airy | Form 990-N | No figure |
| Maryland Congress of Parents & Teachers IncSilver Spring | Form 990-N | No figure |
| Southern Comforters of Bowie Maryland IncBowie | Form 990-N | No figure |
| Friends of Peru LtdBethesda | Form 990-N | No figure |
| Towson Catholic High School Alumni Association IncJarrettsville | Form 990-N | No figure |
| Honor Society of Phi Kappa PhiSalisbury | Form 990-N | No figure |
| South Carroll Instrumental Boosters IncSykesville | Form 990-N | No figure |
| Friends of the Berlin Library IncBerlin | Form 990-N | No figure |
| Annapolis Senior High School Sports Booster Club IncAnnapolis | Form 990-N | No figure |
| The Teachers Assoc of Anne Arundel County Foundation for EducationalAnnapolis | Form 990-N | No figure |
| PTA Maryland Congress of Parent & Teachers IncSilver Spring | Form 990-N | No figure |
| PTA Delaware CongressClarksville | Form 990-N | No figure |
| Business Education Partnership Advisory Council IncorporatedElkton | Form 990-N | No figure |
| Chesapeake High School Choral BoostersPasadena | Form 990-N | No figure |
| Choicework Institute IncBaltimore | Form 990-N | No figure |
| National Iota FoundationBaltimore | Form 990-N | No figure |
| National Association of ScholarsBaltimore | Form 990-N | No figure |
| Salisbury High School AssociationSalisbury | Form 990-N | No figure |
| The Esb Education Foundation IncBaltimore | Form 990-N | No figure |
| Dr Sally K Ride Elementary School PTA IncGermantown | Form 990-N | No figure |
| Lois P Rockwell Elementary School PTA IncDamascus | Form 990-N | No figure |