| Name | Deductibility Code |
| Abcap Foundation | -- |
| Abcap Housing E Inc. | -- |
| Abcap Housing II Inc. | -- |
| Abcap Housing III Inc. | -- |
| Abcap Housing Inc. | -- |
| Abcap Housing IV Inc. | -- |
| Abcap Housing L Inc. | -- |
| Abcap Housing M Inc. | -- |
| Abcap Housing V Inc. | -- |
| Abcap Housing VI Incorporated | -- |
| Adams and Brown Counties Economic Opportunities Inc. | -- |
| Alverda Reed Elementary Parent Teacher Organization | -- |
| Bridges Afterschool Enrichment Program Inc. | -- |
| Brown County Christmas Cheer Inc. | -- |
| Brown County Foundation | -- |
| Brown County Genealogical Society | -- |
| Brown County General Hosipital Foundation | -- |
| Brown County General Hospital | -- |
| Brown County General Hospital Sevices | 4 |
| Brown County Historical Society Inc. | -- |
| Brown County Humane Society | -- |
| Brown County Institute for the Enhancement of Education | -- |
| Brown County Public Library Foundation | -- |
| Brown County Senior Citizens Council | -- |
| Eagles of Brown County Education Corporation | -- |
| Gaslight Theatre Association | -- |
| Georgetown Volunteer Life Squad | -- |
| Graces Way Inc. | -- |
| Grow Inc. | -- |
| Helping Hands in Christian Service Inc. | -- |
| Leslie Haven Inc. | -- |
| Ohio Valley Antique Machinery Inc. | -- |
| Pregnancy Resource Center | -- |
| Rural Appalachian Housing Incorporated | -- |
| Shinkles Ridge Union Christian Chapel | -- |
| Southern Ohio Farmland Preservation Association | -- |
| Southern Ohio Veterans Home Volunteer Advisory Committee Inc. | -- |
| Vermillion Evangelistic Center Inc. | -- |
| Word of Life Chapel | -- |