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Data / Nonprofits / Ohio / Ontario

Nonprofits in Ontario, OH: 66 registered with the IRS

66 nonprofits are registered with the IRS in Ontario, OH, 40 of them 501(c)(3) charities; the 22 that report revenue took in $78.4 million. The largest by revenue: Ohio District 5 Area Agency On Aging Inc ($56.6 million), Buckeye Community School ($9.6 million), Cypress High School ($4.1 million). Most common causes: religion-related (5), education (5), human services (4).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Ohio District 5 Area Agency On Aging Inc501(c)(3)1990$56.6 million$16.6 million2024-12
Buckeye Community SchoolEducation501(c)(3)2022$9.6 million$9.4 million2025-06
Cypress High SchoolEducation501(c)(3)2020$4.1 million$5.8 million2025-06
983 Advantage Credit Union Inc501(c)(14)1969$2.3 million$41.3 million2024-12
Sparc CouncilEducation501(c)(3)2008$729,163$51,2032025-06
Richland Crisis Pregnancy ServicesHealth care501(c)(3)1986$636,664$1 million2025-06
American Veterans of World War II501(c)(19)1995$609,689$721,9012024-12
Mansfield Memorial Park Inc501(c)(13)1941$598,230$3.2 million2025-12
Humane Society of Richland CountyAnimal-related501(c)(3)1971$516,776$1.9 million2024-12
Ohio District 5 Area Agency On Aging FoundationHuman services501(c)(3)2011$500,091$3.5 million2024-12
Ontario Youth Sports IncYouth development501(c)(3)1998$442,313$129,1642025-12
Nami of Richland County OhioMental health and crisis intervention501(c)(3)2002$264,447$254,8432025-06
Ontario High School Booster Club501(c)(3)1985$262,413$296,0842025-05
Mansfield Fire Dept Recreation Club Inc501(c)(3)1982$246,751$1.1 million2025-12
Staff Representatives Union501(c)(5)1965$233,614$548,9702025-06
Transglobal Health PartnersHealth care501(c)(3)2015$154,885$4,2392025-12
Sriram FoundationReligion-related501(c)(3)2013$127,891$292,1552025-12
Applied Prevention Science InternationalMental health and crisis intervention501(c)(3)2018$122,694$190,8572024-12
My Dog Shelter FriendsAnimal-related501(c)(3)2024$87,607$12,5422024-12
51 ClubMutual and membership benefit501(c)(7)2019$81,540$156,6862024-12
International Association of Fire Fighters501(c)(5)1940$74,782$44,1162025-12
Friends of the 179TH Family Readiness & Support GroupHuman services501(c)(3)2008$37,427$130,0142025-12
American Federation of State County and Municipal Employees501(c)(5)1957$0$02025-12
American Federation of Teachers501(c)(5)1967$0$02025-12
Amvets501(c)(19)1945$0$02025-12
Amvets501(c)(19)1954$0$02025-08
Amvets501(c)(19)1945$0$02025-08
Amvets501(c)(19)1945$0$02024-12
Amvets Post 31 AuxiliaryPublic and societal benefit501(c)(19)2024$0$02025-09
Association of Notre Dame Clubs Inc501(c)(3)1983$0$02026-06
Avenue Church501(c)(3)1960
Buckeye Australian Cattle Dog RescueAnimal-related501(c)(3)2017$0$02025-12
Colony Club Inc501(c)(7)1963$0$02025-08
Community Life Ministries of Richland County Ohio LLCReligion-related501(c)(3)2019
First Wesleyan Church501(c)(3)1970
For Lukes GirlsPublic and societal benefit501(c)(3)2026$0$02025-12
Foundation 1014Human services501(c)(3)2025$0$02025-12
Freedom Ridge Church501(c)(3)19582006-12
Inter City Amateur Radio Club IncRecreation and sports501(c)(3)1991$0$02026-08
International Association of Lions Clubs501(c)(4)1961$0$02026-06
International Union United Auto Aerospace & Agricultural Workers501(c)(5)1941$0$02025-12
Just A Brother MinistriesReligion-related501(c)(3)2026
Knights Templar of the United States of America501(c)(10)1964$0$02026-05
LT Douglas C Mabee Post No 7651 Veterans of Foreign Wars of the UsPublic and societal benefit501(c)(19)2019$0$02023-12
Living Water Restoration CenterHuman services501(c)(3)2001$0$02024-12
Modern Woodmen of America501(c)(8)1961$0$02025-12
Modern Woodmen of America501(c)(8)1961$0$02025-12
Modern Woodmen of America501(c)(8)1961$0$02025-12
National Active and Retired Federal Employees Association501(c)(5)1967$0$02025-12
Ohio Dental Association501(c)(6)1973$0$02025-12
Oncology Nursing Society501(c)(6)1981
Ontario Christian Church501(c)(3)1994
Ontario Community Improvement Corpo RationCommunity improvement and capacity building501(c)(3)2026
Ontario Lions Charities IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2020$0$02025-12
Ontario Music Club IncEducation501(c)(3)2018$0$02026-05
Richland County Safety Council501(c)(3)1973$0$02025-12
Shirley Schluter Cancer Testing FundHealth care501(c)(3)2000$371,3862025-12
Springfield Township Volunteer Firemens Association IncPublic safety, disaster preparedness and relief501(c)(3)1999$0$02025-12
St Paul Evangelical Lutheran Church501(c)(3)19882012-12
Stingel Elementary PtoEducation501(c)(3)2013$0$02024-06
True Worship ExperienceReligion-related501(c)(3)2006
United Steelworkers501(c)(5)1940$0$02025-12
Walk FoundationReligion-related501(c)(3)2024
We Aim To Help the CommunityCommunity improvement and capacity building501(c)(3)2025$0$02025-12
Westbrook Country Club501(c)(7)1945$0$02025-10
Westwood Alliance Church501(c)(3)1972

By cause in Ontario, OH

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.