Nonprofits in Ohio
Nonprofits in Ohio. Browse 89,326 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Oscar & Hildegard Thiele Scholarship Fund
EIN 346854105 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oscar & Nina Melhorn Memorial Trust C/o Brenda Mellott
EIN 341211189 · Headquarters: Salem, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oscar Mcveigh Post No 20 American Legion
EIN 316049672 · Headquarters: BREMEN, OH, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oscar Wilkins Scholarship Trust
EIN 016010184 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osco Employees Health & Welfare Trust
EIN 311080897 · Headquarters: PORTSMOUTH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osco Industries Foundation
EIN 316025158 · Headquarters: PORTSMOUTH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osdc Booster Club
EIN 815019198 · Headquarters: Columbus, OH, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Osec USA Inc
EIN 880722366 · Headquarters: Munroe Falls, OH, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oser-roth and Friends Fest Inc
EIN 474157879 · Headquarters: CINCINNATI, OH, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Osfsi
EIN 901077587 · Headquarters: Worthington, Ohio, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Osgood Area Life Squad
EIN 341311179 · Headquarters: OSGOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osgood Area Rescue Inc
EIN 920264085 · Headquarters: Osgood, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osgood Commumnity Veteran Center In
EIN 920679551 · Headquarters: OSGOOD, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osgood Community Improvement Corporation
EIN 920815757 · Headquarters: Osgood, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osgood Foundation
EIN 851225814 · Headquarters: OSGOOD, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osgood Volunteer Firemen
EIN 300130077 · Headquarters: Osgood, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oshaughnessy Dam Area Merchants Business Association
EIN 311355841 · Headquarters: Powell, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oshies Tail Wagon Rescue & Transport
EIN 831744207 · Headquarters: CANTON, OH, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Osnaburg Firefighters Associated Inc
EIN 261709927 · Headquarters: East Canton, OH, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Osnaburg Historical Society
EIN 341549492 · Headquarters: East Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osnaburg Quilt and Fiber Art Guild
EIN 271556363 · Headquarters: Alliance, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osotuwa Foundation Inc
EIN 921856680 · Headquarters: Worthington, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osp-our Safeplace
EIN 332678138 · Headquarters: Columbus, OH, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osra Cardinal Foundation
EIN 311337149 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OSRT Business Association
EIN 261307002 · Headquarters: Zanesville, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ossc Booster Club
EIN 811320721 · Headquarters: HILLIARD, OH, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Osso Ovch Axp
EIN 316056680 · Headquarters: XENIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ostara
EIN 311606934 · Headquarters: CLEVELAND, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osteopathic Heritage Foundation
EIN 316056252 · Headquarters: DUBLIN, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osteopathic Heritage Foundation of Nelsonville
EIN 311624553 · Headquarters: DUBLIN, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ostomy Support Group Dayton Ohio
EIN 203098146 · Headquarters: Dayton, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostrander Civic Association
EIN 311259245 · Headquarters: Ostrander, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostrander Senior Citizens Inc
EIN 010866803 · Headquarters: Ostrander, OH, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ostrander Youth Athletic Association
EIN 854360207 · Headquarters: Ostrander, OH, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Osu Alumni Club of Hancock County
EIN 341846147 · Headquarters: FINDLAY, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osu Chapter of College of Psychiatric and Neurologic Pharmac
EIN 814570952 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Osu Extension Guernsey County Master Gardners
EIN 202682336 · Headquarters: Old Washington, OH, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Osu Families with Crohns and Colitis Fund
EIN 473469829 · Headquarters: COLUMBUS, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- OSU Hillel
EIN 237061878 · Headquarters: COLUMBUS, OH, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990
- OSU Hillel
EIN 311048567 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osu Vexu Robotics Club
EIN 992214086 · Headquarters: Strongsville, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osui Foundation
EIN 272026423 · Headquarters: AMHERST, OH, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990
- Osukirk
EIN 413350081 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osumount Carmel Health Alliance
EIN 311654603 · Headquarters: COLUMBUS, OH, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ote Dance Boosters
EIN 813204802 · Headquarters: OKEANA, OH, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- OTEC Communication Company
EIN 341392920 · Headquarters: Ottoville, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Other Movement Co
EIN 852863260 · Headquarters: CLEVELAND, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Other People's Kids
EIN 871109792 · Headquarters: New Middletown, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Others Foundation Inc
EIN 822219139 · Headquarters: Cleveland, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Otis Gibbs Helping Hand Center
EIN 264306307 · Headquarters: Canton, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Otm Ministries
EIN 841718117 · Headquarters: Strongsville, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Otoa Endowment Fund
EIN 932347621 · Headquarters: CLEVELAND, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Otr Adopt Inc
EIN 800672053 · Headquarters: CINCINNATI, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otr Holdings Inc
EIN 202363373 · Headquarters: CINCINNATI, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ots Recovery
EIN 850767854 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Otse Action Fund
EIN 471303553 · Headquarters: Columbus, OH, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Otsego Athletic Booster Club
EIN 882818822 · Headquarters: BOWLING GREEN, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Otsego Christmas Baskets
EIN 464481444 · Headquarters: Monclova, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Otsego Educators Association
EIN 311066872 · Headquarters: Swanton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Otsego Endowment Foundation
EIN 341599038 · Headquarters: TONTOGANY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otsego Ffa Alumni Association
EIN 464925982 · Headquarters: Tontogany, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Otsego Food Pantry
EIN 992214158 · Headquarters: Grand Rapids, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Otsego Music Boosters
EIN 273075515 · Headquarters: Bowling Green, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa Area Chamber of Commerce
EIN 341411368 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa Area Housing Incorporated
EIN 341317824 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ottawa Community Development Corporation
EIN 341600556 · Headquarters: TOLEDO, OH, US · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Ottawa County 400 Users Association Inc
EIN 320249845 · Headquarters: PORT CLINTON, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ottawa County Business Advisory Council
EIN 473620708 · Headquarters: OAK HARBOR, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa County Community Foundation Inc
EIN 341899124 · Headquarters: PORT CLINTON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa County Conservation League
EIN 332309203 · Headquarters: MARTIN, OH, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ottawa County Family Advocacy Center Inc
EIN 261457631 · Headquarters: PORT CLINTON, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa County Farm Bureau
EIN 346526115 · Headquarters: Woodville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa County Historical Society
EIN 341379819 · Headquarters: PORT CLINTON, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ottawa County Holiday Bureau
EIN 341391709 · Headquarters: PORT CLINTON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa County Horse Foundation
EIN 261969129 · Headquarters: Martin, OH, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ottawa County Riverview Nursing Home Auxiliary
EIN 341439359 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottawa County Task Force on Aging
EIN 825035320 · Headquarters: Port Clinton, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottawa County Transitional Housing
EIN 341744958 · Headquarters: PORT CLINTON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa County Visitors Bureau
EIN 341529597 · Headquarters: PORT CLINTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Glandorf Area Foundation Inc
EIN 341906328 · Headquarters: Ottawa, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottawa Glandorf Athletic Boosters
EIN 341415911 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ottawa Glandorf Band Boosters Inc
EIN 472506891 · Headquarters: OTTAWA, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa Hills Boosters Club
EIN 237425317 · Headquarters: OTTAWA HILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ottawa Hills Community and School Foundation Inc
EIN 341476780 · Headquarters: Ottawa Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottawa Hills Education Association
EIN 943452030 · Headquarters: Toledo, OH, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Ottawa Hills Futbol Club
EIN 461007935 · Headquarters: Ottawa Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ottawa Hills Music and Theater Association
EIN 811188563 · Headquarters: OTTAWA HILLS, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Hills Professional Firefighters Local 1233
EIN 273400670 · Headquarters: Ottawa Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ottawa Hills School Support Association
EIN 341810178 · Headquarters: Ottawa Hills, OH, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ottawa Hills Schools Foundation
EIN 463032381 · Headquarters: TOLEDO, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Hills Schools Parent Association
EIN 341808632 · Headquarters: OTTAWA HILLS, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Homes Inc
EIN 205934755 · Headquarters: GENOA, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ottawa Medical Services Inc
EIN 481114608 · Headquarters: Cincinnati, OH, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Ottawa Residential Services Inc
EIN 341195813 · Headquarters: PORT CLINTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Retirement Plaza Inc
EIN 481101021 · Headquarters: Cincinnati, OH, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Ottawa Retirement Village Inc
EIN 480955654 · Headquarters: Cincinnati, OH, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Ottawa River Beagle Club Inc
EIN 346555684 · Headquarters: DEFIANCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ottawa River Coalition
EIN 341760201 · Headquarters: Lima, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ottawa River Estates
EIN 341852898 · Headquarters: TOLEDO, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa River Kleanup Association Inc
EIN 341919371 · Headquarters: Toledo, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N