| Name | Deductibility Code |
| Artemis Institute | -- |
| Artworld Academy | -- |
| Banovich Wildscape Foundation | 4 |
| Big Brothers and Sisters of Park County | -- |
| Broadbent Family Foundation Inc. | 4 |
| Center for Aquatic Nuisance Species | -- |
| Ciboria | -- |
| Club Number 1014 Foundation Fund Inc. | -- |
| Community Closet Inc. | -- |
| Community Health Partners Inc. | -- |
| Corporation for Montana Public Television | 4 |
| Corporation for Northern Rockies Sustainable Communities | -- |
| Counterpoint Inc. | -- |
| Crazy Mountain Productions | -- |
| Dirtworks | 4 |
| Farms for Families | -- |
| Federation of Fly Fishers | 1 |
| Frances Stafford Foundation Inc. | 4 |
| Friends of the Livingston-Park County Library | -- |
| Friends of the Yellowstone Gateway Museum of Park County Inc. | -- |
| Gardiner Snoopy Cooperative Preschool | -- |
| Hearts Center | -- |
| Homestead Foundation Inc. | 4 |
| Horse Medicine | -- |
| Humane Society of Park County Inc. | -- |
| Jim Melin Family Ministries Inc. | -- |
| L Bar 7 Ranch | -- |
| Landons Lookout | -- |
| Lighthouse Ministries Inc. | -- |
| Lincoln School Foundation Inc. | -- |
| Living Community Inc. | -- |
| Livingston Baseball Association | -- |
| Livingston Center for Art and Culture Inc. | -- |
| Livingston City-County Public Library Memorial Foundation | -- |
| Livingston Community Foundation Inc. | 4 |
| Livingston Depot Foundation Inc. | -- |
| Livingston Education Foundation | -- |
| Livingston Food Pantry of Park County | -- |
| Livingston Healthcare | -- |
| Livingston Healthcare Foundation | -- |
| Livingston Job Service Employer Committee | -- |
| Livingston Meals on Wheels | -- |
| Livingston Youth Soccer Association Inc. | -- |
| Loaves & Fishes of Livingston | -- |
| Lore Kann Foundation Inc. | 4 |
| Manaia | -- |
| McCrum Fund Inc. | 4 |
| McHa Youth Scholarship Non-Profit Corporation | -- |
| Military Families of Park County | -- |
| Montana State Old-Time Fiddlers Association | -- |
| Montana Women for Inc. | -- |
| Montessori Island School | -- |
| Onward & Upward Inc. | -- |
| Park County Community Foundation | -- |
| Park County Council on Aging Inc. | -- |
| Park County Environmental Council | -- |
| Park County Friends of the Arts Inc. | -- |
| Park County Genelogy Society | -- |
| Park County Ministerial Association | -- |
| Park County Senior Citizens Corporation | -- |
| Patricia Coleman Foundation | -- |
| Payden Memorial Foundation Inc. | -- |
| Pine Creek School Advancement | -- |
| Pregnancy Outreach Center | -- |
| Rapacki Ministries Inc. | -- |
| Renew Ministries | -- |
| Rocky Mountain Front Institute of Natural History | -- |
| Scholarship Partner Inc. | -- |
| Show-Case Writers Guild | -- |
| Sister City International Educational and Cultural Exchange | -- |
| Sixth Judicial District Casa-Gal Program Inc. | -- |
| Snowboard Bound Inc. | 4 |
| Southwest Chemical Dependency | -- |
| Stake Foundation | 4 |
| The Erdman Luder Foundation | 4 |
| The Ough Charitable Trust | -- |
| Tri-County Network Against Domestic and Sexual Violence | -- |
| United in Light Inc. | -- |
| United Way of Park County | -- |
| Vince Grant Hall Inc. | -- |
| Vision Livingston Downtown Partnership | -- |
| Winca | -- |
| Yellowstone Aquatic Center Incorporated | -- |
| Yellowstone Ballet Co | -- |
| Yellowstone Spring Creek Foundation Inc. | -- |