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
- Hardy Foundation
EIN 621465677 · Headquarters: MONTGOMERY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hare Scholarship
EIN 311046211 · Headquarters: MARIETTA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harlem Township Civic Association Inc
EIN 800592521 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harlem Township Garden Club
EIN 264448039 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harlequins Inc
EIN 340961017 · Headquarters: Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harley Owners Group Gallipolis Chapter Inc
EIN 311429929 · Headquarters: BIDWELL, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harleys Star Rangers
EIN 880824099 · Headquarters: Waynesville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Harlow Kreke Foundation
EIN 472919313 · Headquarters: HAMILTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harmony Center Inc
EIN 264715432 · Headquarters: CANTON, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harmony Hill Cemetery Assocoation Rusk
EIN 756082891 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harmony Inc
EIN 510198661 · Headquarters: Elyria, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harness Horsemens Health & Retirement Inc
EIN 311092891 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harold & Catherine Folk Charitable Foundation
EIN 341373593 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold & Helen Mcmaster Foundation Inc
EIN 341576110 · Headquarters: SYLVANIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold & Katrina Clark Ss Pfdn
EIN 222623144 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold & Marjorie Rosenberry Foundation C/o Huntington National Bank Trustee
EIN 341772635 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold S Miller Trust Tuw Item Iii
EIN 346819830 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harper G & G Charitable Tr-rbc
EIN 566259626 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harriet Ruth Mackay Charitable Trust
EIN 016088406 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harriett Harkess Trust
EIN 316479693 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harrisburg Library Association
EIN 311313935 · Headquarters: Harrisburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrison Bulldogs
EIN 800342182 · Headquarters: Harrison, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Harrison Cemetery Asso
EIN 310311290 · Headquarters: Harrison, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrison Central FFA Alumni
EIN 030608457 · Headquarters: Cadiz, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Harrison Chapt No 2332 Women of the Moose
EIN 208725836 · Headquarters: Harrison, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harrison County Community Improvement Corporation
EIN 341667486 · Headquarters: CADIZ, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harrison County Council on Aging Inc
EIN 341179698 · Headquarters: CADIZ, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrison County Farm Bureau
EIN 346526588 · Headquarters: New Philadelphia, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harrison County Historical Society
EIN 341204274 · Headquarters: Cadiz, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrison County Tourism Council Inc
EIN 341743675 · Headquarters: Cadiz, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Harrison Elementary PTA
EIN 237224022 · Headquarters: HARRISON, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harrison Fury Llc
EIN 461344545 · Headquarters: Harrison, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Harrison Garden Club
EIN 342014238 · Headquarters: Napoleon, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Harrison Girls Softball League Inc
EIN 310987116 · Headquarters: HARRISON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrison Hills Teachers Assoc
EIN 341496335 · Headquarters: Jewett, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrison Industries Inc
EIN 341327754 · Headquarters: CADIZ, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrison Moose Lodge #2633
EIN 870734197 · Headquarters: Harrison, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrison Social Flights
EIN 736500851 · Headquarters: HARRISON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrison-symmes Memorial Foundation Inc
EIN 311358866 · Headquarters: north bend, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Harrisonfirst Baptist Ch of Jay 51
EIN 146053548 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harrod Alumni Association
EIN 341678829 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Harry a Duncan Living Trust
EIN 346510846 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harry a Fee Tr Ua 1947
EIN 386043288 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harry a Fee Tr Ua 1951
EIN 386043484 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harry a Mock Trust
EIN 316317496 · Headquarters: MOUNT GILEAD, OH, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-PF
- Harry and Anne Mestel Foundation
EIN 341756960 · Headquarters: MECHANICSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harry C Moores Foundation
EIN 316035344 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Harry D Stephens Memorial Inc
EIN 316393086 · Headquarters: GREENVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harry Dubois Frey Trust
EIN 146038488 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harry E Sark Council 186 Allied Masonic Degrees
EIN 364688400 · Headquarters: West Union, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harry Hughes Horsemans Haven Inc
EIN 237412339 · Headquarters: Swanton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Harry Ratner Foundation
EIN 346541541 · Headquarters: SHAKER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harry Zahars Charitable Trust
EIN 341797032 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hart Parr Oliver Collectors Association
EIN 421342386 · Headquarters: Waterville, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Hart-Parr Oliver Foundation
EIN 473332514 · Headquarters: Waterville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hartford Hill Homeowners Association
EIN 311366640 · Headquarters: MONTGOMERY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Library Association
EIN 237295550 · Headquarters: Croton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartland Cons Sch Found Ta
EIN 346507243 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hartville Migrant Council Inc
EIN 340899100 · Headquarters: HARTVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hartville Volunteer Fire Dept Inc
EIN 346548833 · Headquarters: HARTVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hartwood Cemetery Trustees
EIN 800681220 · Headquarters: Newcomerstown, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hartzell Norris Charitable Trust
EIN 316024521 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harvard Business School Club of Northeastern Ohio
EIN 237112345 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harvard Club of Cincinnati
EIN 311081197 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvard Club of Cincinnati Scholarship Fund
EIN 316049997 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Harvard Club of Cleveland Foundation
EIN 346538286 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest Gospel Ministry Inc
EIN 341750575 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvest of Gold of Wilmington Inc
EIN 341372960 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harvest Time Ministries of Millersburg Ohio
EIN 831459245 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Harvest Time Missions International
EIN 274464519 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvey Firestone Jr Foundation
EIN 341388254 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harvey High Alumni Association
EIN 341513630 · Headquarters: PAINESVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harvey Red Raider Athletic Booster Club Inc
EIN 341208501 · Headquarters: Painesville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hascall George C Tw
EIN 346506836 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Haskell Fund
EIN 346513797 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Haslett Frederick S - Etal Pfdn
EIN 146014874 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hassler Family Foundation
EIN 465135229 · Headquarters: WARREN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hatfield James T & Ellen Mem Tr
EIN 616214902 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hats of Hope
EIN 862259007 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Have God Will Travel Evangelism Association
EIN 463126247 · Headquarters: West Lafayette, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Haven S Hope
EIN 922818879 · Headquarters: Hebron, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hawkes Scholarship Fund
EIN 010441158 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hawks Nest Homeowners Association
EIN 311630706 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Hawley Memorial Fund Jeffrey W Mccamic Trustee
EIN 556102216 · Headquarters: STCLAIRSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hawthorne Elementary PTA
EIN 882026223 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hay Shakers of Vinton County
EIN 414037413 · Headquarters: McArthur, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hayes Class of 1976
EIN 933620879 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hayes H (Public Svcs) Uw
EIN 016028696 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Haywood Estates Association
EIN 993880496 · Headquarters: Hunting Valley, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hazel C Zinn Charitable Trust
EIN 556106500 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hazel M Chaney Scholarship Fund Trust Uw
EIN 016007065 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Hazelbaker Foundation
EIN 311131197 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hcs Foundation C/o - L Thomas Hiltz
EIN 346514235 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hdhs Girls Soccer Boosters
EIN 273359763 · Headquarters: Hilliard, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Headgates Home Fellowship
EIN 900733066 · Headquarters: Middletown, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Headhunters
EIN 310996180 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Headhunters Grand Slam Foundation
EIN 311036212 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Heady Ladys Hats and Health Inc
EIN 934981362 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Heal the Soul Ministeries
EIN 842210051 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Healing Pathways Transitional Homes
EIN 854059846 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990