| Readiness Living IncLorain | Form 990-N | No figure |
| Cedarville Firemens AssociationCedarville | Form 990-N | No figure |
| Camden Township Volunteer Fire DeptKipton | Form 990-N | No figure |
| Scioto TWP Fire Dept Ladies AuxiliaryBeaver | Form 990-N | No figure |
| Preble Amateur Radio AssociationEaton | Form 990-N | No figure |
| North Star K9 Training AssociationCincinnati | Form 990-N | No figure |
| Mahoning Valley Fraternal Order of Leatherheads SocietyGirard | Form 990-N | No figure |
| West Central Ohio Amateur Radio AssociationKettering | Form 990-N | No figure |
| Athens County Area Firefighters Association IncAthens | Form 990-N | No figure |
| Osgood Volunteer FiremenOsgood | Form 990-N | No figure |
| Hamilton County Task Force OneLoveland | Form 990-N | No figure |
| Guernsey County Firefighters AssociationCambridge | Form 990-N | No figure |
| North Eastern Ohio Fire Prevention AssociationBrecksville | Form 990-N | No figure |
| Westshore Critical Incident Response ServiceFairview Park | Form 990-N | No figure |
| Beloit Fire Association IncBeloit | Form 990-N | No figure |
| SRT K9 UnitIndependence | Form 990-N | No figure |
| Lisbon Fire Fighters Assoc IncLisbon | Form 990-N | No figure |
| North College Hill Firefighters Protective Association IncCincinnati | Form 990-N | No figure |
| Aviation Safety InstituteColumbus | Form 990-N | No figure |
| Newark Amateur Radio AssociationGranville | Form 990-N | No figure |
| Terrace Park Volunteer Fireassociation IncorporatedTerrace Park | Form 990-N | No figure |
| Reading Fire Department IncCincinnati | Form 990-N | No figure |
| Fire Chiefs Association of Central Ohio IncGranville | Form 990-N | No figure |
| Jefferson Township Firefighters AssocWest Jefferson | Form 990-N | No figure |
| Pickaway Township Volunteer Fire CoCircleville | Form 990-N | No figure |
| The Danbury Township Volunteer Fire Fighters Association IncLakeside | Form 990-N | No figure |
| Miami County Amateur Radio Club IncTroy | Form 990-N | No figure |
| Gallipolis Volunteer Fire Dept IncGallipolis | Form 990-N | No figure |
| Piqua Juvenile Education Fund IncPiqua | Form 990-N | No figure |
| Central Ohio Severe Weather NetworkColumbus | Form 990-N | No figure |
| Reily Township Volunteer Fire & EMS AssociationOxford | Form 990-N | No figure |
| Hamilton County Fire Chiefs AssociationCincinnati | Form 990-N | No figure |
| Ross County Fire & Rescue AssociationChillicothe | Form 990-N | No figure |
| Shelby County Amateur Radio Emergency ServicesSidney | Form 990-N | No figure |
| Clermont County Fire Chiefs AllianceBatavia | Form 990-N | No figure |
| Dayton Section of the Amateur Radio Portion of the NWS Skywarn ProgramKettering | Form 990-N | No figure |
| Union Township Volunteer Fire Association IncorportedChillicothe | Form 990-N | No figure |
| Live Oak Engine Co No 2 IncAmherst | Form 990-N | No figure |
| Putnam County CPRContinental | Form 990-N | No figure |
| Perrysburg Township Volunteer Fire Department FoundationPerrysburg | Form 990-N | No figure |
| South Western Ohio Search & RescueCenterville | Form 990-N | No figure |
| Johnstown Fire Dept Assoc IncJohnstown | Form 990-N | No figure |
| Caring CommunityWakeman | Form 990-N | No figure |
| L-a Fire & RescueLowell | Form 990-N | No figure |
| Ohio Federation of K9 Search Teams IncMaumee | Form 990-N | No figure |
| Harrison Township Volunteer Fire and Rescue AssociationChillicothe | Form 990-N | No figure |
| Guardian Angel Community HealthChillicothe | Form 990-N | No figure |
| O R D A K-9 Search Team Ohio Rescue Dog AssociationDresden | Form 990-N | No figure |
| Battle Run Fire AssociationProspect | Form 990-N | No figure |
| Wellington Fire Department Firefighters AssociationWellington | Form 990-N | No figure |