| Friends of Schleswig Fire IncSchleswig | Form 990-EZ | $59,881FY2025 |
| Garner Firefighters AssociationGarner | Form 990-EZ | $56,821FY2025 |
| Riverside Emergency Services Association IncorporatedRiverside | Form 990-EZ | $54,929FY2025 |
| Mechanicsville Fire & Ambulance VolunteersMechanicsville | Form 990-EZ | $51,735FY2025 |
| Linn County 3rd Fire District Foundation IncCentral City | Form 990-EZ | $50,240FY2025 |
| Sioux Rapids Fire Fighters Association IncorporatedSioux Rapids | Form 990-EZ | $48,490FY2025 |
| Duncombe Fire and EMS Foundation IncorporatedDuncombe | Form 990-N | No figure |
| Lawton Firefighters Association IncorporatedLawton | Form 990-N | No figure |
| Red Oak Volunteer Fire & RescueRed Oak | Form 990-N | No figure |
| Mahaska County Community Emergency Response TeamOskaloosa | Form 990-N | No figure |
| Lone Tree Fire & Rescue Foundation IncLone Tree | Form 990-EZ | $42,126FY2025 |
| Iowa Operation LifesaverMason City | Form 990-N | No figure |
| Theo Wolf FoundationMuscatine | Form 990-N | No figure |
| Renwick Fire Department IncRenwick | Form 990-N | No figure |
| Sergeant Bluff Fire Rescue and Emsfoundation IncSergeant Bluff | Form 990-N | No figure |
| Bremer County Peace Officers Association IncWaverly | Form 990-N | No figure |
| Salem Fire and Rescue Association IncSalem | Form 990-N | No figure |
| Battle Creek Fire Department Charitable Foundation IncIda Grove | Form 990-N | No figure |
| Iowa State Reserve Law Officers Association Institute IncMarshalltown | Form 990-N | No figure |
| Linn County Firefighters IncorporatedCedar Rapids | Form 990-N | No figure |
| Mont Pelier Fire DepartmentMontpelier | Form 990-N | No figure |
| Farmington Emergency Responders AssociationFarmington | Form 990-N | No figure |
| Searsboro Community Fire-EMS DepartmentSearsboro | Form 990-N | No figure |
| Cherokee Volunteer Fire Department FoundationCherokee | Form 990-N | No figure |
| Farragut Fire and Rescue AssociationFarragut | Form 990-N | No figure |
| Maysville Iowa Volunteer Fire Department IncMaysville | Form 990-N | No figure |
| Common Ground IowaCedar Rapids | Form 990-N | No figure |
| International Mass Fatalities CenterCedar Rapids | Form 990-N | No figure |
| Carter Lake Smoke EatersCarter Lake | Form 990-N | No figure |
| Akron Firefighters AssociationAkron | Form 990-N | No figure |
| Oakland Volunteer Fire and Rescue DepartmentOakland | Form 990-N | No figure |
| Clarence Fire Fighters Volunteer Association IncClarence | Form 990-N | No figure |
| Persia Fire and Rescue IncPersia | Form 990-N | No figure |
| Washington County EMS AssociationWashington | Form 990-N | No figure |
| Wapello Fire & Rescue IncWapello | Form 990-N | No figure |
| Moville Firefighters AssociationMoville | Form 990-N | No figure |
| Leclaire Firefighters AssociationLe Claire | Form 990-N | No figure |
| Kensett Volunteer Fire DepartmentKensett | Form 990-N | No figure |
| Atkins Fire Atkins First Responders IncAtkins | Form 990-N | No figure |
| Clermont Emts IncClermont | Form 990-N | No figure |
| Gilbert Iowa Fire Fighters AssociationGilbert | Form 990-N | No figure |
| Sheldon Community Ambulance TeamSheldon | Form 990-N | No figure |
| Kanawha Firefighters AssociationKanawha | Form 990-N | No figure |
| Grant Fire DepartmentGrant | Form 990-N | No figure |
| Newhall Fire Department Foundation IncNewhall | Form 990-N | No figure |
| Newhall First Responders Foundation IncNewhall | Form 990-N | No figure |
| Central City Fire Departmentvolunteers IncCentral City | Form 990-N | No figure |
| Cresco Fire Fighters IncCresco | Form 990-N | No figure |
| Marne Firefighter and Rescuesassociation IncorporatedMarne | Form 990-N | No figure |
| Britt Fire AssociationBritt | Form 990-N | No figure |