| Name | Deductibility Code |
| B-C-S Educational Foundation | -- |
| Black Swamp Bird Observatory | -- |
| Carroll Township Volunteer Emergency Medical and Fire Service | -- |
| Concerned Citizens for Oak Harbor Area | -- |
| Friends of Camp Perry | -- |
| Friends of Magee Marsh Association Inc. | -- |
| Midwest Medical Mission Inc. | -- |
| Music Boosters of the Benton-Carroll-Salem School Distri | -- |
| Nami of Ottawa County | -- |
| Oak Harbor Amateur Wrestling Club | -- |
| Oak Harbor Athletic Boosters Inc. | -- |
| Oak Harbor Cheerleading Boosters Inc. | -- |
| Oak Harbor Conservation Wildlife Restrn Fshrs Mgmt & Lnd Acq Ent Fd | -- |
| Oak Harbor Little League | -- |
| Ohio Parkinson Foundation Northwest Region Inc. | -- |
| Ottawa County Holiday Bureau | -- |
| Ottawa County Riverview Nursing Home Auxiliary | -- |
| Ottawa National Wildlife Refuge Association | -- |
| Riverview Industries Inc. | -- |