| Idaho State University Foundation Inc | Pocatello | B110 Education | $26.8M | 2 |
| CARIBOU MEDICAL CENTER INC | Soda Springs | — | $26.5M | 10 |
| CLEARWATER VALLEY HOSPITAL AND CLINICS | Orofino | H12 Medical Research | $26M | 8 |
| SLEEP IN HEAVENLY PEACE INC | Pocatello | L99 Housing & Shelter | $26M | 7 |
| The Luke Commission | Sagle | Q33 International, Foreign Affairs & National Security | $24.9M | 3 |
| BOGUS BASIN RECREATIONAL ASSOCIATION | Boise | N312 Recreation & Sports | $24.7M | 7 |
| CLEARWATER POWER COMPANY | Lewiston | — | $24.2M | 16 |
| Better Business Bureau Great West | Meridian | — | $22.7M | 9 |
| UNITED ELECTRIC CO-OP INC | Heyburn | — | $22.5M | 16 |
| St Luke's Health Foundation Ltd | Boise | E122 Health Care | $21.9M | 9 |
| RAFT RIVER RURAL ELECTRIC COOPERATIVE INC | Malta | — | $21.1M | 14 |
| Gorongosa Project Inc | Idaho Falls | R99 Civil Rights, Social Action & Advocacy | $20.9M | 0 |
| IDAHO COMMUNITY FOUNDATION INC | Boise | T310 Philanthropy, Voluntarism & Grantmaking Foundations | $20.3M | 2 |
| DAIRY AND FOOD NUTRITION COUNCIL | Meridian | S41 Community Improvement & Capacity Building | $20.2M | 9 |
| Idaho Virtual Academy LEA No 452 | Meridian | B40 Education | $19.3M | 0 |
| BOUNDARY REGIONAL HEALTH CENTER INC | Sandpoint | E70 Health Care | $19M | 10 |
| VALLEY VISTA CARE CORPORATION | St Maries | E910 Health Care | $18.5M | 7 |
| NORTHWEST REAL ESTATE CAPITAL | Boise | L20 Housing & Shelter | $18.3M | 0 |
| Upper Valley Comm Health Services INC | Saint Anthony | E99 Health Care | $18.2M | 7 |
| Lewis Clark Credit Union | Lewiston | — | $17.6M | 0 |
| iSucceed Virtual High School Inc | Boise | B29 Education | $16.5M | 1 |
| IDAHO ASSOCIATION FOR THE EDUCATION | Boise | B82 Education | $15.9M | 1 |
| SUN VALLEY COMMUNITY SCHOOL INC | Sun Valley | B200 Education | $15.8M | 6 |
| SPUR COMMUNITY FOUNDATION INC | Ketchum | P20 Human Services | $15.8M | 1 |
| COLE VALLEY CHRISTIAN SCHOOLS INC | Meridian | B20 Education | $15.5M | 3 |
| Connections Credit Union | Pocatello | — | $14.9M | 5 |
| The Housing Company | Boise | Z99Z Unknown | $14.5M | 7 |
| Idaho Arts Charter School Inc | Nampa | B20 Education | $13.8M | 1 |
| CLARITY CREDIT UNION | Nampa | — | $13.3M | 4 |
| INSPIRE ACADEMICS INC | Boise | B29 Education | $13.3M | 0 |
| SAGE INTERNATIONAL SCHOOL OF BOISE | Boise | B29 Education | $13.2M | 2 |
| GLENNS FERRY HEALTH CENTER INC | Mountain Home | E320 Health Care | $13.1M | 9 |
| Compass Public Charter School | Meridian | B20 Education | $12.8M | 1 |
| EASTERN IDAHO COMMUNITY ACTION | Idaho Falls | — | $12.7M | 2 |
| Idaho Humane Society Inc | Boise | D200 Animal-Related | $12.1M | 6 |
| THE VALLEY CLUB | Sun Valley | N50 Recreation & Sports | $12M | 7 |
| SAINT ALPHONSUS DIVERSIFIED CARE INC | Boise | — | $11.8M | 4 |
| Elevate Academy | Caldwell | B29 Education | $11.8M | 4 |
| HOSPICE OF NORTH IDAHO INC | Coeur Dalene | — | $11.7M | 9 |
| IDAHO PIPE TRADES TRUST | Meridian | — | $11.4M | 0 |
| NAMPA CHRISTIAN SCHOOLS INC | Nampa | B24Z Education | $11.3M | 1 |
| THE PEREGRINE FUND INC | Boise | — | $11.1M | 6 |
| OREGON LIFE AND HEALTH INSURANCE GUARANTY ASSOCIATION | Meridian | — | $10.9M | 1 |
| SOCIETY OF SAINT VINCENT DE PAUL SW ID | Boise | P20 Human Services | $10.7M | 1 |
| HOLLAND M WARE CHARITABLE FOUNDATION | Eagle | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $10.5M | 1 |
| INTERFAITH SANCTUARY HOUSING SERVICES | Boise | L41 Housing & Shelter | $10.2M | 2 |
| CRANE CREEK COUNTRY CLUB INC | Boise | — | $10.2M | 6 |
| NORTHWEST CHILDRENS HOME | Lewiston | — | $10.1M | 0 |
| HAGADONE EMPLOYEE BENEFIT TRUST | Coeur Dalene | — | $10.1M | 0 |
| COMMUNITY DEVELOPMENT INC | Garden City | X20 Religion-Related | $10M | 3 |
