| 1 | University Corporation for Atmospheric Research | Science & Technology | $400.2M | $356.7M |
| 2 | Rocky Mountain Institute | Unclassified | $173.4M | $149.5M |
| 3 | Credit Unions Chartered in the State of Colorado | Unclassified | $98.4M | $1.8B |
| 4 | Global Greengrants Fund INC | Environment | $93.9M | $69.2M |
| 5 | Frasier Meadows Manor INC | Human Services | $60.5M | $263.3M |
| 6 | Naropa University | Unclassified | $37.5M | $33.1M |
| 7 | Native American Rights Fund | Civil Rights, Social Action & Advocacy | $34.1M | $84.1M |
| 8 | Boulder Community Health Foundation | Health Care | $33.5M | $68.6M |
| 9 | Geological Society of America INC | Science & Technology | $32.0M | $53.8M |
| 10 | Via Mobility Services | Human Services | $25.0M | $35.4M |
| 11 | Brewers Association INC | Unclassified | $24.8M | $36.7M |
| 12 | Sheila Fortune Foundation | Philanthropy, Voluntarism & Grantmaking | $24.1M | $15.7M |
| 13 | Western Interstate Commission for Higher Education | Unclassified | $21.9M | $27.5M |
| 14 | Wana Brands Foundation | Philanthropy, Voluntarism & Grantmaking | $21.5M | $55.8M |
| 15 | Chef Ann Foundation | Education | $20.5M | $5.8M |
| 16 | The Community Foundation | Philanthropy, Voluntarism & Grantmaking | $19.8M | $95.9M |
| 17 | Geological Society of America Foundation | Science & Technology | $17.7M | $36.7M |
| 18 | The Cielo Foundation | Philanthropy, Voluntarism & Grantmaking | $16.9M | $68.6M |
| 19 | Akin Family Foundation | Education | $15.6M | $13.4M |
| 20 | International Association of Certified Home Inspectors | Community Improvement & Capacity Building | $15.6M | $1.2M |
| 21 | Outward Bound INC | Environment | $15.0M | $15.8M |
| 22 | Waldorf School Association of Boulder INC | Unclassified | $14.8M | $24.7M |
| 23 | Emergency Family Assistance Association INC | Human Services | $12.8M | $19.3M |
| 24 | Colorado Chautauqua Association | Unclassified | $12.8M | $17.1M |
| 25 | The Boedecker Foundation | Philanthropy, Voluntarism & Grantmaking | $12.3M | $34.5M |
| 26 | Western Resource Advocates | Crime & Legal-Related | $10.8M | $18.4M |
| 27 | Boulder Jewish Community Center | Human Services | $10.6M | $46.1M |
| 28 | Eco-cycle INC | Environment | $10.5M | $8.9M |
| 29 | The Humane Society of Boulder Valley INC | Animal-Related | $10.4M | $19.4M |
| 30 | Fund for the New School | Unclassified | $10.1M | $29.2M |
| 31 | Richard and Joan Ringoen Family Foundation INC | Unclassified | $9.7M | $8.8M |
| 32 | Foundation for Human Enrichment Dba Somatic Experiencing Intl | Unclassified | $9.6M | $3.5M |
| 33 | Yagan Family Foundation | Philanthropy, Voluntarism & Grantmaking | $9.4M | $50.7M |
| 34 | Vincent Family Foundation | Philanthropy, Voluntarism & Grantmaking | $9.2M | $8.6M |
| 35 | Starfall Education Foundation | Education | $9.1M | $25.7M |
| 36 | Protect Our Winters | Environment | $8.9M | $7.3M |
| 37 | Space Science Institute | Science & Technology | $8.9M | $2.3M |
| 38 | Bridge House | Human Services | $8.7M | $19.2M |
| 39 | National Council for State Authorization Reciprocity Agreemen | Arts, Culture & Humanities | $8.7M | $17.8M |
| 40 | Greenlatinos | Environment | $8.7M | $3.2M |
| 41 | 84000 | Religion-Related | $8.6M | $14.2M |
| 42 | Resource Central | Environment | $7.6M | $6.0M |
| 43 | L P Brown Foundation | Unclassified | $7.6M | $24.7M |
| 44 | International Mountain Bicycling Association | Recreation & Sports | $7.5M | $4.9M |
| 45 | Environment for the Americas INC | Animal-Related | $7.1M | $944K |
| 46 | Jarrow School INC | Education | $6.9M | $8.5M |
| 47 | State Higher Education Executive | Unclassified | $6.8M | $9.9M |
| 48 | The Caruso Foundation | Philanthropy, Voluntarism & Grantmaking | $6.6M | $41.0M |
| 49 | Terraset | Environment | $6.5M | $847K |
| 50 | Attention INC | Human Services | $6.3M | $3.4M |
| 51 | Watershed School INC | Education | $6.3M | $17.6M |
| 52 | Horizons K8 | Education | $5.9M | $4.6M |
| 53 | The International Wilderness Leadership Foundation INC | Unclassified | $5.9M | $5.6M |
| 54 | Peopleforbikes Coalition Ltd | Community Improvement & Capacity Building | $5.8M | $3.4M |
| 55 | Summit Middle Charter School INC | Education | $5.7M | $5.7M |
| 56 | Colorado Music Festival | Arts, Culture & Humanities | $5.6M | $3.4M |
| 57 | Horizons International | Human Services | $5.3M | $3.0M |
| 58 | Kissinger Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $5.2M | $14.0M |
| 59 | Boulder Valley Womens Health Center INC | Unclassified | $5.2M | $4.2M |
| 60 | Boulder Pride | Civil Rights, Social Action & Advocacy | $5.0M | $6.7M |
| 61 | Oreg Foundation | Philanthropy, Voluntarism & Grantmaking | $5.0M | $4.2M |
| 62 | Greenhouse Scholars | Education | $5.0M | $4.1M |
| 63 | Habitat for Humanity International INC | Housing & Shelter | $4.9M | $4.8M |
| 64 | R David and Suzanne a Hoover Charitable Trust | Philanthropy, Voluntarism & Grantmaking | $4.7M | $27.4M |
| 65 | Brave New Software Project INC | Civil Rights, Social Action & Advocacy | $4.6M | $1.0M |
| 66 | Watson | Youth Development | $4.6M | $1.8M |
| 67 | Friends School INC | Education | $4.5M | $7.2M |
| 68 | Thistle Community Housing | Housing & Shelter | $4.5M | $46.1M |
| 69 | Center for People with Disabilities | Human Services | $4.3M | $4.5M |
| 70 | The Freebsd Foundation | Science & Technology | $4.3M | $4.1M |
| 71 | National Center for Women and Information Technology | Youth Development | $4.2M | $14.5M |
| 72 | Movement Advancement Project INC | Civil Rights, Social Action & Advocacy | $4.2M | $6.7M |
| 73 | Dwight a Merriman Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $4.0M | $20.5M |
| 74 | Boulder Food Rescue | Food, Agriculture & Nutrition | $3.9M | $1.1M |
| 75 | Bixby & Associates | Unclassified | $3.9M | $3.1M |
| 76 | American Mountain Guides Association | Unclassified | $3.8M | $2.7M |
| 77 | Safehouse Progressive Alliance for Nonviolence INC | Human Services | $3.8M | $6.4M |
| 78 | Outdoor Industry Association | Unclassified | $3.8M | $5.3M |
| 79 | River Network | Environment | $3.7M | $3.2M |
| 80 | Intercambio de Comunidades | Human Services | $3.7M | $4.0M |
| 81 | Donna Catherine Macdonald Charitable Tr | Philanthropy, Voluntarism & Grantmaking | $3.7M | $6.0M |
| 82 | I Have a Dream Foundation of Boulder County | Education | $3.7M | $15.4M |
| 83 | Colorado Pet Pantry | Animal-Related | $3.6M | $1.3M |
| 84 | Mediators Foundation INC | International, Foreign Affairs & National Security | $3.5M | $977K |
| 85 | The Access Fund | Unclassified | $3.5M | $4.9M |
| 86 | Dystrophic Epidermolysis Bullosa Research Assn of America INC | Unclassified | $3.4M | $1.4M |
| 87 | Public Media Company | Arts, Culture & Humanities | $3.4M | $1.9M |
| 88 | Brett Family Foundation | Philanthropy, Voluntarism & Grantmaking | $3.3M | $6.7M |
| 89 | Parlando Incorporated | Arts, Culture & Humanities | $3.1M | $1.1M |
| 90 | Merlin Foundation | Unclassified | $3.1M | $12.3M |
| 91 | There with Care | Human Services | $3.1M | $2.1M |
| 92 | Boulder Chamber of Commerce | Unclassified | $3.1M | $2.6M |
| 93 | Little Red Hen Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $3.0M | $2.5M |
| 94 | Innovo Foundation | Philanthropy, Voluntarism & Grantmaking | $3.0M | $5.6M |
| 95 | E Town | Unclassified | $3.0M | $6.7M |
| 96 | Swaha Foundation | Philanthropy, Voluntarism & Grantmaking | $2.9M | $17.8M |
| 97 | Leave No Trace Center for Outdoor Ethics | Environment | $2.9M | $2.4M |
| 98 | Harvest of Hope Pantry | Food, Agriculture & Nutrition | $2.9M | $3.3M |
| 99 | Boulder Museum of Contemporary Art | Arts, Culture & Humanities | $2.8M | $2.1M |
| 100 | The Acorn School for Early Childhood Development | Human Services | $2.7M | $4.0M |