| Name | Deductibility Code |
| Alvin T Clark Family Memorial Fund | 4 |
| Bennett Street Films | -- |
| Bess Muir Memorial Fund | 4 |
| Bible Baptist Temple | -- |
| Big Horn Basque Club | -- |
| Bison Backers | -- |
| Boys and Girls Club of the Big Horns Inc. | -- |
| Buffalo Childrens Center Inc. | -- |
| Buffalo Golf Course Founation Inc. | -- |
| Buffalo High School Development Fund Inc. | 4 |
| Buffalo Senior Center Inc. | -- |
| Buffalo Senior Citizens Foundation Inc. | -- |
| Buffalo Swim Club | -- |
| Buffalo Womens Health Forum | -- |
| Campbell County Tobacco Use Prevention Coalition Inc. | -- |
| Chiefs Table Childrens Foundation Inc. | -- |
| City of Buffalo Charitable Foundation Inc. | -- |
| Community Resource Center of Johnson County Inc. | -- |
| F A Matthews Family Foundation | 4 |
| Family Crisis Center | -- |
| Fehir Charitable Foundation | 4 |
| Fort Phil Kearny-Bozeman Trail Endowment Foundation Inc. | -- |
| Gladys C Worf Trust | 4 |
| Hazel Patterson Memorial Trust | 4 |
| Ira N Gibson and Clella E Gibson Scholarship Fund | 4 |
| John & Amie Auxiliary Incorporated | -- |
| Johnson County Arts & Humanities Council | -- |
| Johnson County Casa Program | -- |
| Johnson County High School Scholarship Fund Charitable Trust | 4 |
| Johnson County Hospital District | -- |
| Johnson County Library Foundation | -- |
| Johnson County Memorial Hospital Foundation Inc. | -- |
| Johnson County YMCA | -- |
| Laing-Weil Scholarship Fund Charitable Trust | 4 |
| Learning Tree Christian School | -- |
| Muir Family Foundation Inc. | -- |
| Museum of the Occidental Hotel | -- |
| Niels P Nielsen Scholarship Fund | 4 |
| Northeastern Wyoming Resource Conservation and Development | -- |
| Northern Wyoming Mental Health | -- |
| Parents Helping Parents of Wyoming Inc. | -- |
| Patricia Hockett Memorial Scholarship Fund | 4 |
| Peter and Anna Gorgen Fund Charitable Trust | 3 |
| Powder River Family Resources Inc. | -- |
| Purdy Family Foundation | 4 |
| Regional State Museum Foundation Inc. | -- |
| Scenic Resources Resolution of Johnson County Wyoming | -- |
| St. Francis Animal Shelter Inc. | -- |
| St. John the Baptist Catholic Church Foundation | -- |
| Summit Gymnastics | -- |
| T-A Ranch Foundation | 4 |
| The Johnson County Search and Rescue Unit | -- |
| The Johnson County YMCA Foundation | -- |
| The Lisle Lanier Scholarship Fund | 4 |
| The Ray & Kay Littler Trust | 4 |
| Wilbur & Birdie Williams Scholarship Fund Charitable Tr | 4 |
| Worlds of Music Inc. | -- |