| North Boise Futbol Club IncBoise | Form 990 | $291,768FY2025 |
| Lewis Clark Amateur Hockey AssociationLewiston | Form 990 | $286,060FY2025 |
| Rocky Mountain Football Association IncorprationMeridian | Form 990 | $285,138FY2025 |
| Upper Valley Soccer Foundation IncRexburg | Form 990 | $266,344FY2024 |
| Coeur Dalene American Legion Baseball IncCoeur d'Alene | Form 990 | $263,808FY2024 |
| United States Bowling Congress IncRupert | Form 990 | $248,148FY2025 |
| Teton Valley Skijor CorporationVictor | Form 990 | $247,494FY2025 |
| Community Building Partners IncPost Falls | Form 990 | $246,827FY2024 |
| Challis Golf & Recreation AssocChallis | Form 990 | $242,672FY2025 |
| Idaho Junior High Division Rodeo Association IncJerome | Form 990 | $240,773FY2025 |
| East Boise Youth Baseball &Softball IncBoise | Form 990 | $232,594FY2025 |
| Treasure Valley Figure Skating AssociationBoise | Form 990 | $229,381FY2026 |
| Voltage Aquatics IncRigby | Form 990 | $218,268FY2024 |
| Wood River Pickleball AllianceKetchum | Form 990 | $217,230FY2024 |
| Idaho Youth Sports Commission IncGarden City | Form 990 | $217,026FY2024 |
| International Mountain Bicycling AssociationDriggs | Form 990 | $208,908FY2024 |
| Treasure Valley Fastpitch Officials IncMeridian | Form 990 | $208,780FY2025 |
| Mountain View Legion BaseballMeridian | Form 990 | $206,247FY2025 |
| Camp Magical Moments Cancer Camp for Kids IncShelley | Form 990 | $204,519FY2024 |
| Riptide Volleyball IncPost Falls | Form 990-EZ | $199,084FY2025 |
| Amatuer Athletic Union of the United StatesIdaho Falls | Form 990 | $187,492FY2024 |
| Caldwell Wrestling Club IncCaldwell | Form 990-EZ | $183,903FY2024 |
| FC North Idaho CorporationCoeur d'Alene | Form 990-EZ | $180,093FY2025 |
| District V High School Rodeo Club IncJerome | Form 990-EZ | $179,454FY2023 |
| Boise Curling Club IncBoise | Form 990-EZ | $178,579FY2026 |
| Club Zzu Volleyball IncMoscow | Form 990-EZ | $176,961FY2024 |
| Boise Saddle and Jump ClubBoise | Form 990-EZ | $176,876FY2023 |
| Kuna Youth Softball Baseball Association IncKuna | Form 990-EZ | $175,583FY2025 |
| Boise Developmental Cycling ClubBoise | Form 990-EZ | $175,104FY2025 |
| Idaho Falls Youth Hockey Association IncIdaho Falls | Form 990-EZ | $174,997FY2025 |
| Rocky Mountain HS Baseball AssocMeridian | Form 990-EZ | $171,967FY2025 |
| Friends of Harriman State Park IncorporatedIsland Park | Form 990-EZ | $170,105FY2025 |
| Idaho Strike Boys Volleyball ClubBoise | Form 990-EZ | $169,056FY2025 |
| Daniel Dopps Memorial RodeoMountain Home | Form 990-EZ | $168,004FY2025 |
| Capital Parent Booster Sports ClubEagle | Form 990-EZ | $163,908FY2025 |
| Ignite Gymnastics Booster Club IncNampa | Form 990-EZ | $162,835FY2025 |
| Magic Valley Fellowship Hall IncTwin Falls | Form 990-EZ | $162,136FY2025 |
| LCHS Football Wolfpack CorpPost Falls | Form 990-EZ | $158,566FY2024 |
| Yoga Source IncDriggs | Form 990-EZ | $155,739FY2024 |
| Idaho Falls Baseball IncIdaho Falls | Form 990-EZ | $153,539FY2025 |
| Nampa Swim Team IncNampa | Form 990-EZ | $152,268FY2025 |
| River City Youth Athletics IncorporatedPost Falls | Form 990-EZ | $151,115FY2025 |
| Washington Explosion Softball AssociationIdaho Falls | Form 990-EZ | $150,547FY2024 |
| Merritt Event CenterPriest River | Form 990 | $150,327FY2024 |
| Dogsmile AdventuresSandpoint | Form 990-EZ | $148,485FY2025 |
| Post Falls Junior Tackle & CheerPost Falls | Form 990-EZ | $147,122FY2025 |
| Kuna StampedeKuna | Form 990-EZ | $142,293FY2024 |
| Middleton Baseball AssociationMiddleton | Form 990-EZ | $139,599FY2024 |
| Sandpoint Sharks Swim Club IncSandpoint | Form 990-EZ | $136,428FY2025 |
| Streamliner Aquatic Recreation IncorporatedMeridian | Form 990-EZ | $134,687FY2025 |