| 1 | Ahimsa Foundation | Animal-Related | $399.3M | $1.0B |
| 2 | Karuna Foundation | Animal-Related | $35.4M | $2.8M |
| 3 | Rocky Mountain Christian Academy | Education | $1.6M | $387K |
| 4 | Lefthand Watershed Oversight Group | Unclassified | $1.6M | $1.5M |
| 5 | Niwot Community Hall | Arts, Culture & Humanities | $892K | $856K |
| 6 | Left Hand Ditch Co | Unclassified | $836K | $5.6M |
| 7 | 1940S Ball Nfp | Arts, Culture & Humanities | $775K | $186K |
| 8 | Ypo Boulder | Unclassified | $627K | $454K |
| 9 | Pediatric Epilepsy Research Consortium INC | Medical Research | $570K | $628K |
| 10 | Wildfire Research Center | Animal-Related | $547K | $112K |
| 11 | Niwot Youth Sports INC | Recreation & Sports | $423K | $643K |
| 12 | Open Sanctuary Project INC | Animal-Related | $419K | $235K |
| 13 | Colorado Cleantech Industry Association INC | Community Improvement & Capacity Building | $378K | $84K |
| 14 | Niwot Cultural Arts Association | Arts, Culture & Humanities | $352K | $772K |
| 15 | People and Pollinators Action Network | Environment | $260K | $270K |
| 16 | The Pearson Foundation INC | Philanthropy, Voluntarism & Grantmaking | $178K | $787K |
| 17 | Burrell Family Foundation | Philanthropy, Voluntarism & Grantmaking | $146K | $622K |
| 18 | Left Hand Valley Courier | Arts, Culture & Humanities | $146K | $41K |
| 19 | Niwot Elementary School Parent Teacher Advisory Council INC | Unclassified | $130K | $88K |
| 20 | Somerset Swim & Tennis Club | Recreation & Sports | $110K | $260K |
| 21 | High Plains Permaculture | Food, Agriculture & Nutrition | $110K | $6K |
| 22 | Niwot High School Boosters INC | Education | $108K | $21K |
| 23 | Wyoming Quarter Horse Association | Recreation & Sports | $97K | $77K |
| 24 | Country Dance & Song Society INC | Arts, Culture & Humanities | $89K | $144K |
| 25 | The Maverick Foundation INC | Philanthropy, Voluntarism & Grantmaking | $75K | $26K |
| 26 | Lebor Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $74K | $1.0M |
| 27 | Snyder Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $58K | $973K |
| 28 | The Budacz Family Foundation | Philanthropy, Voluntarism & Grantmaking | $25K | $115K |
| 29 | Cougarball Corp. | Recreation & Sports | $23K | $13K |
| 30 | Niwot Cougar Baseball | Recreation & Sports | $20K | $6K |
| 31 | Berlin Family Foundation | Unclassified | $17K | $317K |
| 32 | Free a Child | Human Services | $14K | $39K |
| 33 | Parenting the Rainbow | Human Services | $4K | $2K |
| 34 | Friends of Sierra | Animal-Related | $3K | $5K |
| 35 | Bruin Theta Chi Foundation INC | Philanthropy, Voluntarism & Grantmaking | $52 | $14K |
| 36 | Voices Foundation | Education | $0 | $0 |
| 37 | CEO 4 Teens | International, Foreign Affairs & National Security | $0 | $0 |
| 38 | Rotary International | Community Improvement & Capacity Building | $0 | $0 |
| 39 | Team Rocky Mountain | Diseases, Disorders & Medical Disciplines | $0 | $0 |
| 40 | Niwot Incorporation Committee | Community Improvement & Capacity Building | $0 | $0 |
| 41 | Make a Hero INC | Arts, Culture & Humanities | $0 | $0 |
| 42 | Colorado Cleantech Industry Association Foundation INC | Environment | $0 | $0 |
| 43 | Rotary Club of Niwot Foundation INC | Education | $0 | $0 |
| 44 | Womens International Niwot Club | Public & Societal Benefit | $0 | $0 |
| 45 | Slow Food USA INC | Food, Agriculture & Nutrition | $0 | $0 |
| 46 | Rocky Mountain Ecodharma Retreat Center | Religion-Related | $0 | $0 |
| 47 | The Jared Music Foundation | Education | $0 | $0 |
| 48 | Colorado State Grange Patrons of Husbandry | Unclassified | $0 | $0 |
| 49 | Niwot Center for Spiritual Development | Unclassified | $0 | $0 |
| 50 | Niwot Christian Center | Unclassified | $0 | $0 |
| 51 | Rocky Mountain Christian Church | Unclassified | $0 | $0 |
| 52 | Colorado 4-H Foundation INC | Unclassified | $0 | $0 |
| 53 | Niwot Community Association INC | Unclassified | $0 | $0 |
| 54 | Grace Bible Church of Boulder County | Unclassified | $0 | $0 |
| 55 | Professional Foundation INC | Health Care | $0 | $0 |
| 56 | Niwot High School Education Foundation INC | Education | $0 | $0 |
| 57 | Niwot Historical Society | Arts, Culture & Humanities | $0 | $0 |
| 58 | Bahais of Boulder County | Unclassified | $0 | $0 |
| 59 | Crew Members Who Care | Human Services | $0 | $0 |
| 60 | Bethel Baptist Church of Niwot | Unclassified | $0 | $0 |
| 61 | Internet and Technology Addicts Anonymous | Mental Health & Crisis Intervention | $0 | $0 |
| 62 | I Love Leos | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 63 | Peter Fund INC | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 64 | Niwot Patriotic Cookie Moms | Public & Societal Benefit | $0 | $0 |