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
- Clarksville Cub Scout Pack 155
EIN 921075156 · Headquarters: Oregonia, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Class 1924 Mckinley High School
EIN 346636135 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Class of 1970 Conneaut High School
EIN 371776496 · Headquarters: Conneaut, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Class of 69 Reunion Fund
EIN 464486362 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Classic British Motorcycle Club of Cincinnati Ohio Inc
EIN 311427415 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Classic Thunderbird Club of Northern Ohio
EIN 471449685 · Headquarters: Noth Royalton, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Claw Machines for a Cause
EIN 923811434 · Headquarters: MASON, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Clay Alliance of Greater Cincinnati
EIN 311611160 · Headquarters: Pendleton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clay-genoa Volunteer Firemans Association of Genoa Ohio
EIN 341538738 · Headquarters: Genoa, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Claycomb Cemetery Trust Fund
EIN 356035248 · Headquarters: HAMILTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clayman Family Foundation Inc
EIN 341685923 · Headquarters: CANFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Claymont Jaycee Housing Inc
EIN 341088519 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Claymont Teachers Association
EIN 341383002 · Headquarters: Uhrichsville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Clayworks a Cooperative
EIN 341456628 · Headquarters: CLEVELAND HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cle Sports Mangement Ltd
EIN 824229307 · Headquarters: ROCKY RIVER, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Clean Columbus
EIN 852465910 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Clear Creek Farm
EIN 310982443 · Headquarters: PIQUA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clear Fork Swimming Club
EIN 340847563 · Headquarters: LEXINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clear Water Corporation
EIN 237094206 · Headquarters: SARAHSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Clearcreek Gardeners
EIN 800272582 · Headquarters: SPRINGBORO, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Clearfork Athletic Boosters Club
EIN 341402696 · Headquarters: Bellville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clearview Education Association
EIN 208985121 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleft Care International
EIN 920344628 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Clement & Ann Buenger Foundation C/o Truepoint Wealth Counsel
EIN 311259480 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Clement O Miniger Memorial Foundati Co Trust Company Family Office
EIN 346523024 · Headquarters: HOLLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clermont Co Community Services
EIN 311111703 · Headquarters: Batavia, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clermont County Bar Association
EIN 311017318 · Headquarters: BATAVIA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clermont County Chamber of Commerce
EIN 310788717 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clermont County Chapter of the Ohio Retired Teachers Association
EIN 311282777 · Headquarters: LOVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clermont County Convention & Visitors Bu Visitors Bureau
EIN 311003247 · Headquarters: BATAVIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clermont County Dog Training Club Inc
EIN 311087666 · Headquarters: Milford, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clermont County Farm Bureau
EIN 316033209 · Headquarters: Georgetown, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Clermont County Genealogical Society Inc
EIN 310972367 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clermont County Special Education Association-oea-nea
EIN 311345237 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clermont Mercy Hospital Guild Inc
EIN 237291520 · Headquarters: BATAVIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clermont Northeastern Athletic Boosters
EIN 201771556 · Headquarters: BATAVIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Clermont Northeastern Education Association
EIN 311069377 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clermont Sports Development Corp
EIN 473162432 · Headquarters: BATAVIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleve Council of Admin & Supervisor
EIN 341622357 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cleveland Academy of Osteopathic Medicine
EIN 346572708 · Headquarters: ELYRIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Academy of Veterinary Medicine
EIN 346557659 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleveland Alumnae Panhellenic Association
EIN 341483949 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Alumnae Panhellenic Endowment Fund Inc
EIN 341476473 · Headquarters: Mentor, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cleveland Alumnae St Marys College
EIN 010936138 · Headquarters: Westlake, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Cleveland Archaeological Society
EIN 341305053 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleveland Area Soapbox Derby Association Inc
EIN 341197352 · Headquarters: PARMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Assoc of Bldg Owners & Managers
EIN 340148640 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Association of Life Underwriters Inc
EIN 340151065 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Association of Rescue Employees
EIN 341287062 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Association of School Psychologists
EIN 341556746 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Association of the Deaf
EIN 346516853 · Headquarters: NORTH OLMSTED, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Astronomical Society
EIN 346537461 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Auto Club Orphans' Outing Fund
EIN 346515142 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cleveland Automobile Dealers Association
EIN 340650839 · Headquarters: BROADVIEW HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Cleveland Automobile Dealers Association Group Health Plan
EIN 341320838 · Headquarters: BROADVIEW HTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Bakers & Teamsters Benefit Funds
EIN 340753693 · Headquarters: Valley View, Ohio, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Bakers Local Union No 19 Charitable Educational and Recreational
EIN 341001027 · Headquarters: Valley View, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Bourbon Co-op Llc
EIN 874181939 · Headquarters: SHAKER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Cleveland Building and Construction Trades Council
EIN 340149130 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Building Trades Foundation
EIN 340967541 · Headquarters: SEVEN HILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Butterfly Twirl
EIN 333855156 · Headquarters: LAKEWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Chapter - National Tooling & Machine Association
EIN 237290609 · Headquarters: BROOKPARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Chapter Alabama State University
EIN 341409874 · Headquarters: Maple Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Chapter Miles College National Alumni Assoc
EIN 341545668 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Cleveland Chapter of Awmi Inc
EIN 311531948 · Headquarters: BEDFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cleveland Chemical Assocation
EIN 237176075 · Headquarters: North Royalton, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cleveland Clinic Mercy Hospital
EIN 341893439 · Headquarters: Cleveland, OH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Cleveland Coatings Society
EIN 346710421 · Headquarters: AURORA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cleveland Community Access Corporation
EIN 341635049 · Headquarters: TWINSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cleveland Corrections Committee % Cleveland Corrections Committee
EIN 473811559 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Cleveland Council of Independent Schools
EIN 341059666 · Headquarters: WINDSOR, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Darter Club
EIN 341397034 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Democratic Socialists of America
EIN 831973398 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Dermatological Society
EIN 341476462 · Headquarters: Moreland Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleveland East Side Turners
EIN 340245425 · Headquarters: Brecksville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cleveland Ecumenical Institute for Religious Studies
EIN 341752063 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Cleveland Eruv Society Inc
EIN 341378365 · Headquarters: BEACHWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Federation of Musicians
EIN 340417260 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Football Officials Assoc
EIN 332851653 · Headquarters: Brunswick, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleveland General and Saint Lukes Nurses Alumni Association
EIN 340733132 · Headquarters: WILLOUGHBY, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Cleveland Grays Armory
EIN 346540869 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Grotto of the National Speleological Society
EIN 237160792 · Headquarters: Dorset, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Guardians Charities Inc
EIN 341618536 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Cleveland Hearing and Speech Center
EIN 340714648 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Heights Teachers Union Local 795
EIN 346607664 · Headquarters: CLEVELAND HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland High School and Academy Lay Teachers Assoc
EIN 237107602 · Headquarters: LAGRANGE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cleveland Ikenobo Ikebana Society
EIN 341358849 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland International Classical Guitar Festival
EIN 831451926 · Headquarters: SHAKER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cleveland Irish Cultural Festival
EIN 341384047 · Headquarters: FAIRVIEW PARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Cleveland Jewish Sacred Society Inc
EIN 237432283 · Headquarters: BEACHWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Law Library Association
EIN 346000696 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Letter Carriers Band
EIN 341401127 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Longshoremen's Welfare Fund C/o Benesys
EIN 340931020 · Headquarters: CANFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Lutheran Veterans Club
EIN 340676861 · Headquarters: BROADVIEW HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Cleveland Maennerchor Inc
EIN 340653986 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cleveland Marshall Fund Ta
EIN 346627805 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Masonic Library
EIN 340671028 · Headquarters: RICHMOND HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleveland Medical Library Association
EIN 340151200 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cleveland Memorial Society
EIN 340922941 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Metro Parks Employees Association
EIN 341485350 · Headquarters: PARMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ