Unknown & Unclassified nonprofits in Ohio
Unknown & Unclassified nonprofits in Ohio. Browse 26,579 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
- Orphan Foundation of America D/b/a Foster Care to Success Foundation
EIN 521238437 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orrville Area Boys & Girls Club
EIN 341003436 · Headquarters: ORRVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orrville Area Chamber of Commerce Inc
EIN 340925574 · Headquarters: Orrville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orrville Area Community Band
EIN 395007635 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orrville Athletic Booster Club
EIN 346734859 · Headquarters: ORRVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orrville Campus Foundation Inc
EIN 237080629 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orrville Firefighters Assoc Inc
EIN 341306476 · Headquarters: ORRVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orrville House & Garden Club
EIN 272587312 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Orrville United Way Inc
EIN 341017865 · Headquarters: ORRVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orthodox Catholic Church of North and South America
EIN 341387422 · Headquarters: Barberton, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Orwell Gun Club Inc
EIN 340122624 · Headquarters: Roaming Shores, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orwell Memorial Post 719 American Legion Inc
EIN 346607418 · Headquarters: ORWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osborn Historic Garden Club
EIN 271706197 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- 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 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
- Osgood Area Life Squad
EIN 341311179 · Headquarters: OSGOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osnaburg Historical Society
EIN 341549492 · Headquarters: East Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · 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
- 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 Hillel
EIN 311048567 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · 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
- OTEC Communication Company
EIN 341392920 · Headquarters: Ottoville, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · 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
- 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
- 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 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 Farm Bureau
EIN 346526115 · Headquarters: Woodville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 Visitors Bureau
EIN 341529597 · Headquarters: PORT CLINTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Glandorf Athletic Boosters
EIN 341415911 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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 Futbol Club
EIN 461007935 · Headquarters: Ottawa Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- 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 Residential Services Inc
EIN 341195813 · Headquarters: PORT CLINTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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 Yacht Club
EIN 341007496 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- Ottawa Senior Citizens Association
EIN 237296455 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ottawa Shooting Club
EIN 340445940 · Headquarters: GATES MILL, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa-glandorf Classroom Teachers Association
EIN 341291344 · Headquarters: Ottawa, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Otterbein Portage Valley Inc
EIN 341193296 · Headquarters: PEMBERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otto Trinklein Educational Trust
EIN 386040607 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ottoville Lions Club International Association of Lions
EIN 237310882 · Headquarters: OTTOVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottoville Local Education Association
EIN 341249244 · Headquarters: Ottoville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oucu Financial Credit Union Fka Ohio University Credit Union
EIN 316040060 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Best America Inc
EIN 471842569 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Our Community Our Neighborhood
EIN 811102995 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Our Croatia Inc
EIN 341444057 · Headquarters: Eastlake, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Daily Bread
EIN 311126386 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Daily Bread Soup Kitchen Inc
EIN 341134252 · Headquarters: LIMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Our Homes Garden Club
EIN 263594776 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Our Lady of Angels Apartments Inc
EIN 341317758 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Our Lady of Czestochowa
EIN 346529173 · Headquarters: LORAIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Lady of the Holy Spirit Center
EIN 650176544 · Headquarters: NORWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Our Lady of the Lake Magnificat Inc
EIN 562626490 · Headquarters: Monroeville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Lady of the Rosary Circle 1449
EIN 881168936 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our Lady of the Wayside Inc
EIN 341020957 · Headquarters: AVON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Our Legacy Inc
EIN 334949443 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Savior Lutheran Church
EIN 311368478 · Headquarters: Piqua, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Turning Point
EIN 455223304 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ourant School Memorial Association Inc
EIN 341720516 · Headquarters: CADIZ, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outdoor Advertising Association of Ohio
EIN 341485204 · Headquarters: SHAKER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Outdoor Power Equipment and Engine Service Association Inc
EIN 237098374 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Outdoor Writers Association of America
EIN 430794723 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Outdoor Writers of Ohio Inc
EIN 341355278 · Headquarters: PLEASANT PLAIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outings Unlimited Inc
EIN 341041805 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Outsiders 4-H Club of Greene County
EIN 933207006 · Headquarters: Xenia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outspokin Wheelmen Inc
EIN 237322260 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ovda
EIN 862068266 · Headquarters: BLOOMINGDALE, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oven Productions
EIN 341196838 · Headquarters: Lyndhurst, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Over the Rhine Chamber of Commerce
EIN 311300658 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Over-the-Rhine South Special Improvement District of Cincinnati Inc
EIN 862046153 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Overfield Early Childhood Program Inc
EIN 311088546 · Headquarters: TROY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Overhill View Swim Club Inc
EIN 316057047 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Overholt Maria Fb Zion Lutheran
EIN 346648935 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- Overseas Chinese Envir Engineers & Scientists Asso
EIN 341414789 · Headquarters: Strongsville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Overstreet C Fbo Isu Tw
EIN 826057916 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oviatt House Inc
EIN 862752016 · Headquarters: RICHFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ovid Org
EIN 335047984 · Headquarters: STOW, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Owens Corning Foundation
EIN 341270856 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Owensville Baptist Church
EIN 510585452 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Owner Handlers Association Buckeye North Chapter
EIN 550858545 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ox5 Aviation Pioneers
EIN 256082280 · Headquarters: TROY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oxford Cemetary Association
EIN 310515347 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Oxford Chamber of Commerce
EIN 310961589 · Headquarters: Oxford, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oxford Masonic Temple Association
EIN 237309714 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oxford Museum Association
EIN 316049348 · Headquarters: Oxford, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oxford Swimming & Diving Team
EIN 311274273 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oxford Talawanda Community Services Inc
EIN 310958091 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- OYT Boosters Inc
EIN 825451108 · Headquarters: Twinsburg, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ozer Ministries Inc
EIN 341583608 · Headquarters: E PALESTINE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- P a Mchattie Tuw
EIN 256042564 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- P E R Assoc B P O E Lodge 107 Scholarship Fund
EIN 311193772 · Headquarters: Gallipolis, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- P E R I of Ashland
EIN 341921848 · Headquarters: ASHLAND, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N