| Maryland Draft Horse and Mule Association IncUnion Bridge | Form 990-N | No figure |
| The United State Pony Clubs IncGermantown | Form 990-N | No figure |
| Magruder High School Instrumental Music BoostersRockville | Form 990-N | No figure |
| The Chesapeake Railway Association IncCatonsville | Form 990-N | No figure |
| Chester River Rowing Club IncChestertown | Form 990-N | No figure |
| American Volkssport Association IncBel Air | Form 990-N | No figure |
| Tuckahoe Bowmen IncWorton | Form 990-N | No figure |
| Belcamp Recreation Council IncBelcamp | Form 990-N | No figure |
| Montgomery Amateur Radio Club IncGaithersburg | Form 990-N | No figure |
| College Park Boys & Girls ClubCollege Park | Form 990-N | No figure |
| Coalition for the Capital Crescent Trail IncBethesda | Form 990-N | No figure |
| Heros Inc of Howard CountyWoodbine | Form 990-N | No figure |
| Brunswick High School Athletic Boosters IncKnoxville | Form 990-N | No figure |
| Kent Amateur Radio SocietyChestertown | Form 990-N | No figure |
| Washinton Virgina and Maryland Garden Railway Society IncSilver Spring | Form 990-N | No figure |
| Friends of Baker ParkFrederick | Form 990-N | No figure |
| Anne Arundel County Sports Hall of Fame IncGambrills | Form 990-N | No figure |
| Hagerstown Junior Basketball League IncHagerstown | Form 990-N | No figure |
| Wolfsville Myersville Athletic Association IncMyersville | Form 990-N | No figure |
| Piney Run Recreation and Conservation CouncilSykesville | Form 990-N | No figure |
| Maryland Council of Equestrian Therapies IncPotomac | Form 990-N | No figure |
| Tuckahoe Equestrian Center Foundation IncDenton | Form 990-N | No figure |
| Clear Spring Athletic BoostersClear Spring | Form 990-N | No figure |
| Annapolis Woodworkers Guild IncorporatedAnnapolis | Form 990-N | No figure |
| Queen Annes County Youth Golf AssociationChester | Form 990-N | No figure |
| Baltimore Applique Society IncColumbia | Form 990-N | No figure |
| Southern Maryland Archery Club IncUpper Marlboro | Form 990-N | No figure |
| Damascus Community Fair CorpDamascus | Form 990-N | No figure |
| Cavalier Cavalette Track Club IncClinton | Form 990-N | No figure |
| Little League Baseball IncMount Airy | Form 990-N | No figure |
| St Marys Gymnastics Booster Club IncLexington Park | Form 990-N | No figure |
| Eastern Deaf Timberfest IncPort Republic | Form 990-N | No figure |
| Heart of Maryland Bowhunters IncMarriottsville | Form 990-N | No figure |
| Cheverly Soccer ClubCheverly | Form 990-N | No figure |
| The Baltimore Tennis Club IncGwynn Oak | Form 990-N | No figure |
| Hagerstown Baseball Assn IncWilliamsport | Form 990-N | No figure |
| Frederick County Association of Recreation CouncilsFrederick | Form 990-N | No figure |
| St Marys County Youth Lacrosse Club IncCalifornia | Form 990-N | No figure |
| Howard County Tennis Association IncEllicott City | Form 990-N | No figure |
| Maryland International Kite Festival IncOcean City | Form 990-N | No figure |
| Congressional CupPotomac | Form 990-N | No figure |
| Montgomery Dive Club IncCabin John | Form 990-N | No figure |
| Kent Lacrosse IncChestertown | Form 990-N | No figure |
| 29th Is Booster ClubFort Meade | Form 990-N | No figure |
| North Point State Park Volunteers IncDundalk | Form 990-N | No figure |
| Potomac Valley Youth Organization IncUpper Marlboro | Form 990-N | No figure |
| Calvert County Tennis Association IncPrince Frederick | Form 990-N | No figure |
| Exiles Rugby IncBethesda | Form 990-N | No figure |
| Maryland Express Girls Fastpitch Softball OrganizationFrederick | Form 990-N | No figure |
| Frederick Netmasters-West Frederick Athletic Association IncFrederick | Form 990-N | No figure |