| Washington County Girls SoftballWilliamsport | Form 990-N | No figure |
| The United State Pony Clubs IncEaston | Form 990-N | No figure |
| Chesapeake Curling ClubWittman | Form 990-N | No figure |
| Harford Community Tennis Association IncBel Air | Form 990-N | No figure |
| Mid-Atlantic College Basketball Officials AssociationBryans Road | Form 990-N | No figure |
| Scottish Weekend IncDarnestown | Form 990-N | No figure |
| Silver Starlettes Majorettes and Color GuardBoonsboro | Form 990-N | No figure |
| Quince Orchard Otters Swim Club IncGaithersburg | Form 990-N | No figure |
| Southern Maryland Swim LeagueCalifornia | Form 990-N | No figure |
| Marlborough Horse Trials IncNewburg | Form 990-N | No figure |
| Special Hockey Washington IncorporatedLaurel | Form 990-N | No figure |
| Howard County Scholastic Hockey Association LtdColumbia | Form 990-N | No figure |
| Frederick County Association of Recreation CouncilsMiddletown | Form 990-N | No figure |
| Quick Stix Leagues LtdAnnapolis | Form 990-N | No figure |
| Gardens Figure Skating Club of Maryland IncBurtonsville | Form 990-N | No figure |
| Georges Creek Soccer ClubWesternport | Form 990-N | No figure |
| Friends of the Agricultural History Farm Park IncDerwood | Form 990-N | No figure |
| Friends of Assateague State Park IncBerlin | Form 990-N | No figure |
| College Park Judo Club IncAdelphi | Form 990-N | No figure |
| Havenwood Community Girl Softball League IncPasadena | Form 990-N | No figure |
| The United State Pony Clubs IncWestminster | Form 990-N | No figure |
| Fasst Sports Association IncRandallstown | Form 990-N | No figure |
| East Coast Outrigger Racing Association IncSilver Spring | Form 990-N | No figure |
| Ravens Roost 54 South BaltimoreBrooklyn | Form 990-N | No figure |
| Frederick Hustler S BaseballFrederick | Form 990-N | No figure |
| The United States Pony Clubs IncWhite Hall | Form 990-N | No figure |
| The La Vale Civic Improvement Association IncorporatedLa Vale | Form 990-N | No figure |
| The United State Pony Clubs IncMonkton | Form 990-N | No figure |
| The United State Pony Clubs IncSalisbury | Form 990-N | No figure |
| United State Pony Clubs IncClarksburg | Form 990-N | No figure |
| The United States Pony Clubs IncOlney | Form 990-N | No figure |
| Robert C Graebner Chapter 17 Afdcs IncLaurel | Form 990-N | No figure |
| Chesapeake Womens Ice Hockey ClubBethesda | Form 990-N | No figure |
| Layout Design Special Interest Group IncSeverna Park | Form 990-N | No figure |
| United States Bowling Congress IncFruitland | Form 990-N | No figure |
| World Kuoshu Federation IncReisterstown | Form 990-N | No figure |
| Toastmasters InternationalBaltimore | Form 990-N | No figure |
| Hawks Endzone Club of North Harford High SchoolPylesville | Form 990-N | No figure |
| Greenbelt Municipal Swim Team IncGreenbelt | Form 990-N | No figure |
| United States Bowling Congress IncPerryville | Form 990-N | No figure |
| Maryland High School Cheerleading AssociationJoppa | Form 990-N | No figure |
| Qa SoftballCentreville | Form 990-N | No figure |
| Missouri Scholastic Lacrosse AssociationBaltimore | Form 990-N | No figure |
| Mustang Club of Maryland IncOwings Mills | Form 990-N | No figure |
| Greenspace Violetville Inc Dba Friends of Violetville ParkBaltimore | Form 990-N | No figure |
| American Volkssport Association IncGalesville | Form 990-EZ | $0FY2025 |
| Mark a Smith Pro Power FoundationBrookeville | Form 990-N | No figure |
| U S Elite International Track and Field IncUpper Marlboro | Form 990-N | No figure |
| Chapter 524 Experimental Aircraft Association IncFrederick | Form 990-N | No figure |
| Lake Marion Swim TeamMontgomery Village | Form 990-N | No figure |