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Nonprofits in OAK HARBOR, OH

59 tax-exempt organizations with a return on IRS file.

Largest nonprofits in OAK HARBOR by revenue

Top 5s in OAK HARBOR

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Community Improvement Corporation of Ottawa County990, year ended Dec 2025$1.2M
  2. 2Black Swamp Bird Observatory990, year ended Dec 2024$520.1K
  3. 3Friends of Ottawa National Wildlife Refuge990, year ended Dec 2025$382.7K
  4. 4Ottawa County Agricultural Society990, year ended Nov 2025$372.9K
  5. 5Riverview Industries Inc990, year ended Dec 2024$293.9K

Largest reserves

Net assets (fund balance) at year end

  1. 1Riverview Industries Inc990, year ended Dec 2024$3.2M
  2. 2Community Improvement Corporation of Ottawa County990, year ended Dec 2025$2.4M
  3. 3Black Swamp Bird Observatory990, year ended Dec 2024$1.4M
  4. 4Friends of Ottawa National Wildlife Refuge990, year ended Dec 2025$1.3M
  5. 5Ottawa County Agricultural Society990, year ended Nov 2025$1.3M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Chris SingerlingDirector · Community Improvement Corporation of Ottawa County$109.2K
  2. 2Kim KaufmanExecutive Director · Black Swamp Bird Observatory$95.8K
  3. 3Aimee ArentExecutive Di · Friends of Ottawa National Wildlife Refuge$82K
  4. 4Laura BorowsCEO · Riverview Industries Inc$80.1K
  5. 5Valerie WinterfieldPrior Exec Dire · Oak Harbor Area Chamber of Commerce$61.4K

All nonprofits in OAK HARBOR, A–Z