Data / Nonprofits / Ohio / Oak Harbor
Nonprofits in Oak Harbor, OH: 64 registered with the IRS
64 nonprofits are registered with the IRS in Oak Harbor, OH, 49 of them 501(c)(3) charities; the 14 that report revenue took in $9.2 million. The largest by revenue: Riverview Industries Inc ($4.3 million), Community Improvement Corporation of Ottawa County ($1.7 million), Black Swamp Bird Observatory ($866,928). Most common causes: human services (5), youth development (5), community improvement and capacity building (4).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Riverview Industries Inc | Employment | 501(c)(3) | 1999 | $4.3 million | $3.6 million | 2024-12 |
| Community Improvement Corporation of Ottawa County | 501(c)(6) | 1966 | $1.7 million | $2.5 million | 2025-12 | |
| Black Swamp Bird Observatory | Animal-related | 501(c)(3) | 1992 | $866,928 | $1.4 million | 2024-12 |
| Ottawa County Agricultural Society | Food, agriculture and nutrition | 501(c)(3) | 2018 | $729,029 | $1.3 million | 2025-11 |
| Friends of Ottawa National Wildlife Refuge | Animal-related | 501(c)(3) | 2000 | $517,139 | $1.4 million | 2025-12 |
| St John Endowment Trust Fund Inc | Religion-related | 501(c)(3) | 2021 | $284,152 | $1.2 million | 2025-12 |
| Concerned Citizens for Oak Harbor Area | Community improvement and capacity building | 501(c)(3) | 1992 | $177,556 | $216,951 | 2024-12 |
| Oak Harbor Athletic Boosters Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $111,197 | $298,996 | 2025-05 |
| Ottawa County Business Advisory Council | Community improvement and capacity building | 501(c)(3) | 2018 | $105,300 | $74,872 | 2024-12 |
| Friends of Sabroske Inc | Religion-related | 501(c)(3) | 2013 | $103,656 | $107,856 | 2024-12 |
| Oak Harbor Area Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 2001 | $99,270 | $288,222 | 2024-12 |
| American Legion | 501(c)(19) | 1946 | $94,495 | $292,812 | 2024-12 | |
| Oak Harbor Conservation Wildlife Restrn FSHRS MGMT & LND Acq Ent FD | Animal-related | 501(c)(3) | 1991 | $79,431 | $597,941 | 2025-12 |
| Oak Harbor Conservation Club Inc | 501(c)(4) | 1976 | $67,546 | $607,939 | 2025-12 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| B-C-S Educational Foundation | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-06 |
| BCS Food Pantry at St Paul Ucc Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 | |
| Bay Township Volunteer Fire Department Social Association Inc | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Carroll Township Volunteer Emergency Medical and Fire Service | Public safety, disaster preparedness and relief | 501(c)(3) | 2001 | $0 | $0 | 2024-12 |
| Clothing Corral Inc | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Cultivate the Clover of Ottawa County | Food, agriculture and nutrition | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Davis-Besse Employee Association | Mutual and membership benefit | 501(c)(4) | 2026 | |||
| Free & Accepted Masons of Ohio | 501(c)(10) | 1972 | $0 | $0 | 2025-11 | |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2026-06 | |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2026-06 | |
| Jacobs Joy | Health care | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Knights Templar of the United States of America | Mutual and membership benefit | 501(c)(10) | 1964 | $0 | $0 | 2025-12 |
| MRS Mabs | Human services | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Mercy Tree Haiti | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Methodist Church of Oak Harbor | 501(c)(3) | 1974 | 2013-12 | |||
| Mid-County E M T Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Midwest Medical Mission Inc | International, foreign affairs and national security | 501(c)(3) | 1981 | $0 | $0 | 2025-03 |
| Oak Harbor Alliance Chapel | 501(c)(3) | 1972 | ||||
| Oak Harbor Amateur Wrestling Club | 501(c)(3) | 2005 | $0 | $0 | 2025-08 | |
| Oak Harbor Chamber Foundation Inc | Environment | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Oak Harbor Cheerleading Boostersinc | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Oak Harbor Development Group | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Oak Harbor Log Cabin Association | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Oak Harbor Saint Boniface Parish | 501(c)(3) | 1946 | ||||
| Oak Harbor Young Farmers Foundation | Food, agriculture and nutrition | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Oh Humble Gardens Inc | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Ohio Classroom Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $0 | $3,345 | 2025-06 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University the | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Portage Fire District Fire Fighters Association Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Portage River Association Inc | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rocket Football Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2026-06 | |
| Royal Arch Masons of Ohio | 501(c)(8) | 1940 | $0 | $0 | 2026-05 | |
| Sand Beach Association Inc | 501(c)(4) | 1965 | $0 | $0 | 2025-08 | |
| Shoreline Church | 501(c)(3) | 1993 | 2013-12 | |||
| St Johns Lutheran Church | 501(c)(3) | 1988 | ||||
| The Joshua Memorial Foundation | Human services | 501(c)(3) | 2026 | |||
| The Ohio State Univeristy | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ray Hablitzel Trust | Environment | 501(c)(3) | 2024 | |||
| Todd Hablitzel Do It Best for BCS | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Us Military Vets Motorcycle Club | Public and societal benefit | 501(c)(19) | 2019 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars of the United States Department of Ohio | 501(c)(19) | 1990 | $0 | $0 | 2025-12 | |
| Willow Haven | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
By cause in Oak Harbor, OH
- Human services 5
- Youth development 5
- Community improvement and capacity building 4
- Food, agriculture and nutrition 4
- Public safety, disaster preparedness and relief 3
- Animal-related 3
- Environment 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.