| Name | Deductibility Code |
| Advocates of Lake County Inc. | -- |
| Central Colorado Mine Rescue Station | -- |
| Friends Of Lake County Public Library | -- |
| Full Circle of Lake County Inc. | -- |
| High Mountain Institute Inc. | -- |
| Kriselle Foundation | -- |
| Lake County Build A Generation | -- |
| Lake County Civic Center Association | -- |
| Lake County Historical Museum Society | -- |
| Lake County Search and Rescue Inc. | -- |
| Leadville Arts Coaltion | -- |
| Leadville Institute of Science & Technology | -- |
| Leadville Lake County Sports Hall of Fame | -- |
| Leadville Trail 100 Legacy Inc. | -- |
| Leadville-Lake County Chamber of Commerce Foundation | -- |
| National Mining Hall of Fame and Museum | -- |
| Nichiren Buddhist Association of America | -- |
| Partnership for Lake County Recreation | -- |
| Planned Pethood Assistance Inc. | -- |
| Small Steps | -- |
| St. Vincent Hospital Foundation | -- |
| Tabor Opera House Preservation Foundation Inc. | -- |
| Temple Israel Foundation | -- |
| Top of the Rockies Scenic and Historic Byway | -- |
| Zuni Canyon Institute | -- |