| Habitat for Humanity International IncDubuque | Form 990 | $747,029FY2025 |
| The Arc of IowaDes Moines | Form 990 | $742,462FY2025 |
| Tai Studies CenterWest Des Moines | Form 990 | $732,043FY2025 |
| Rural Employment AlternativeConroy | Form 990 | $715,929FY2025 |
| Her Health Womens CenterSioux City | Form 990 | $714,122FY2025 |
| Okoboji Bible Conference MinistriesArnolds Park | Form 990 | $711,328FY2025 |
| Marshalltown YMCA-YWCAMarshalltown | Form 990 | $708,947FY2024 |
| Iowa-Illinois Safety Council IncWest Des Moines | Form 990 | $708,130FY2025 |
| Paws and MoreWashington | Form 990 | $707,106FY2025 |
| American Association of Swine Veterinarians FoundationPerry | Form 990 | $701,969FY2024 |
| Winneshiek County Historical SocietyDecorah | Form 990 | $698,511FY2024 |
| Achievement Foundation IncDe Witt | Form 990 | $695,388FY2025 |
| Cass County Health System FoundationAtlantic | Form 990 | $693,884FY2025 |
| River Cities Information Referral and Assistance ServicesClinton | Form 990 | $688,545FY2025 |
| Realtor Foundation of IowaWest Des Moines | Form 990 | $686,359FY2024 |
| Ringgold County Group Home IncMount Ayr | Form 990 | $685,220FY2026 |
| Maquoketa Betterment CorporationMaquoketa | Form 990 | $675,611FY2024 |
| West Hancock County Ambulance Serv IncBritt | Form 990 | $675,207FY2025 |
| Colony Housing Authority of Lamoni IowaLamoni | Form 990 | $660,001FY2025 |
| Our House Child Development CenterShenandoah | Form 990 | $647,791FY2025 |
| Churches United of the Quad City AreaBettendorf | Form 990 | $637,344FY2024 |
| Waterloo Cedar Falls Symphony Orchestra AssociationCedar Falls | Form 990 | $632,691FY2025 |
| Church Women UnitedIowa Falls | Form 990 | $628,815FY2025 |
| Danville Library AssnDanville | Form 990 | $616,851FY2024 |
| Sanford CenterSioux City | Form 990 | $601,600FY2025 |
| St Johns Lutheran Foundation IncDes Moines | Form 990 | $601,205FY2025 |
| Balloon Federation of AmericaIndianola | Form 990 | $594,934FY2024 |
| Lords Cupboard of Jefferson CountyFairfield | Form 990 | $592,813FY2025 |
| Southeast Iowa Symphony AssnMount Pleasant | Form 990 | $584,209FY2026 |
| Clear Lake Development FoundationClear Lake | Form 990 | $582,892FY2024 |
| Clinton Substance Abuse Council IncClinton | Form 990 | $575,353FY2025 |
| Prevent Child Abuse IowaDes Moines | Form 990 | $570,080FY2025 |
| Golden Years Housing IncWest Liberty | Form 990 | $555,665FY2025 |
| The Helping HandIndianola | Form 990 | $551,823FY2025 |
| Buena Vista Regional Healthcare FoundationStorm Lake | Form 990 | $551,423FY2025 |
| Davis County Agricultural SocietyBloomfield | Form 990 | $550,241FY2025 |
| School Tuition Organization of Southeast IowaBettendorf | Form 990 | $550,231FY2025 |
| Crossroads of PellaPella | Form 990 | $547,457FY2025 |
| Iowa Abortion Access FundCedar Rapids | Form 990 | $546,479FY2025 |
| Habitat for Humanity International IncBoone | Form 990 | $545,317FY2025 |
| Warren County Historical SocietyIndianola | Form 990 | $545,105FY2025 |
| Mitchell County Agricultural SocietyLittle Cedar | Form 990 | $544,986FY2025 |
| Des Moines Swimming FederationWest Des Moines | Form 990 | $543,418FY2025 |
| Pottawattamie Conservation FoundationCouncil Bluffs | Form 990 | $533,816FY2025 |
| Southeast Iowa Mennonite Camp Association IncWashington | Form 990 | $533,739FY2025 |
| Fairbank Community Daycare CenterFairbank | Form 990 | $532,702FY2025 |
| Sheaffer Memorial Golf ParkFort Madison | Form 990 | $528,745FY2025 |
| Big Brothers Big Sisters of SiouxlandSioux City | Form 990 | $527,865FY2025 |
| Iowa State Sheriffs & Deputies Assoc Institute IncWellman | Form 990 | $520,380FY2024 |
| National Alliance on Mental Illness of Johnson CountyIowa City | Form 990 | $516,808FY2025 |