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
- Indian Hill Schools Booster Association
EIN 316051089 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Isles Christmas Lights Community Association
EIN 341725762 · Headquarters: Russells Point, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Indian Lake Ace
EIN 943463451 · Headquarters: Bellefontiane, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Indian Lake Chamber of Commerce Inc
EIN 344469508 · Headquarters: RUSSELLS POINT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Lake Chapter 452 Women of the Moose
EIN 341372816 · Headquarters: LAKEVIEW, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Indian Lake Education Association
EIN 341718229 · Headquarters: Bellefontaine, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Indian Lake Lodge No 1533 Loyal Order of Moose
EIN 341337838 · Headquarters: LAKEVIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Lake Yacht Club Inc
EIN 346556065 · Headquarters: RUSSELLS POINT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Springs Homeowners Association
EIN 311250893 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Indian Valley Teachers Association
EIN 237089335 · Headquarters: Gnadenhutten, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Indiv App Ohio
EIN 821532516 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Indo-american Vollyball Association
EIN 711024877 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Indoor Tennis Club
EIN 310712294 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industrial Diamond Association of America Inc
EIN 221582276 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Industrial Fasteners Institute
EIN 340065420 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industrious Education Fund
EIN 992396851 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indy-hio Gymact Corporation
EIN 933958107 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ineos Nationwide Council
EIN 472162341 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Infinite Possibilitz
EIN 852796585 · Headquarters: South Euclid, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Infinity Trust
EIN 341712605 · Headquarters: NORWALK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Information Systems Audit and Control Association
EIN 942579763 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Information Systems Audit and Controls Association
EIN 205770701 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Information Systems Security Association
EIN 202064861 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Information Systems Security Association
EIN 363888500 · Headquarters: Mentor, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Information Technology Student Association
EIN 473676768 · Headquarters: youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Infusion Nurses Society Inc
EIN 311367281 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Inland Northwest Airstream Club
EIN 320618333 · Headquarters: Jackson Center, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inn at Broad Inc
EIN 200604735 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Innerwest Community Development Corporation
EIN 341610700 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inniswood Volunteers Inc
EIN 311106851 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Innovation Franklinton
EIN 394850525 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Innovation Ohio
EIN 274562062 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Innovative Cpr Solutions
EIN 990480847 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Inquiry-based Learning School Co
EIN 992271097 · Headquarters: Cuyahoga Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inri Chapel No 17 St Thomas of Acon USA
EIN 844220755 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inscape Center for Personal Vocation
EIN 843142070 · Headquarters: STEUBENVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inside Out Beauty Project Inc
EIN 332545907 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspiring Life
EIN 832999881 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inspiring Purpose Day Program
EIN 850961351 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institue of Internal Auditors
EIN 310897665 · Headquarters: Beavercreek, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Institute for Human Rights and Responsibilities
EIN 310993769 · Headquarters: GALENA, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Institute for Secular Wisdom Inc
EIN 455062843 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Supply Management-miami Valley Inc
EIN 316023383 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Institute for the Study of Performance and Spirituality Inc
EIN 208832326 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Institute for the Works of Social Welfare
EIN 811661637 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Institute of Classical Architecture and Art Inc
EIN 263187495 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Industrial & Systems Engineers at Oh State Chapter 885
EIN 310884450 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Industrial Engineers I Nc
EIN 316048727 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Industrial Engineers Inc
EIN 510151293 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Institute of Internal Auditors
EIN 237405457 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Internal Auditors
EIN 237405458 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute of Management Accountants Inc
EIN 237353282 · Headquarters: SYLVANIA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353303 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353308 · Headquarters: LAKEWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353309 · Headquarters: BROADVIEW HTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353320 · Headquarters: ELIDA, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237354289 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237354298 · Headquarters: TROY, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237365944 · Headquarters: ARCANUM, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 341221410 · Headquarters: RICHFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Real Estate Management
EIN 510204223 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Insulated Cable Engineers Association Inc
EIN 221433100 · Headquarters: MIAMITOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Insulators Joint Apprenticeship and Training Committee Trust Fund
EIN 341666877 · Headquarters: BROOKLYN HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int Assoc of Firefighters
EIN 316056410 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Int'l Assn of Bridge Structural & Ornimental Ironworkers Local 207
EIN 340561048 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int'l Assoc of Bridge Structural & Ornamental Iron Workers Local 55
EIN 344269617 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int'l Assoc of Iron Workers Local 290
EIN 310224193 · Headquarters: TIPP CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int'l Association of Fire Fighters Local
EIN 237038743 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int'l Brotherhood of Boilermakers Local 85
EIN 344269642 · Headquarters: ROSSFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Int'l Brthrhd of Blrmkrs Lodge 357
EIN 316050122 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Int'l Union of Bricklayers & Allied
EIN 341159688 · Headquarters: FREMONT, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Int'l Union of Bricklayers Local 6
EIN 340113199 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Int'l Union of Painters Decorators and Paperhangers Local 7
EIN 344323870 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Integrative Learning Center of Mid- America
EIN 311811440 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inter-city Yacht Club
EIN 341552208 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990
- Interact for Health
EIN 310932681 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Intercommunity Cable Regulatory Commission of Southwest Ohio
EIN 311005731 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Interdenominational Church Ushers Association of Columbus Inc
EIN 311034074 · Headquarters: columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Interested Citizens Advocating a Residential Environment
EIN 800518525 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Intergrated Greek Council
EIN 811237797 · Headquarters: Kent, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Interlink Ministries Inc
EIN 341700949 · Headquarters: APPLE CREEK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Agape Missions Inc
EIN 262780438 · Headquarters: Lowell, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- International Alliance of Theatrica Stage Empl Loc 66 Health & Ins Fnd
EIN 311104492 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Alliance of Theatrical 27 Iatse
EIN 340308265 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Alliance of Theatrical Stage Employees &Moving Pict Local 864
EIN 316077238 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Alliance of Theatrical Stage Employees Local 66
EIN 310329923 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Alliance Theatric Stage Employees
EIN 316077231 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Alliance Theatrical 101 Iatse
EIN 346595447 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Alliance Theatrical Stage Employees
EIN 341457049 · Headquarters: SYLVANIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Alliance Theatrical Stage Employees & Moving Picture
EIN 237075631 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Alliance Theatrical Stage Employees & Moving Picture
EIN 256086848 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Alliance Theatrical Stage Employees & Moving Picture
EIN 340415020 · Headquarters: MENTOR, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Alliance Theatrical Stage Employees & Moving Picture M
EIN 316077235 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Alliance Theatrical Stage Employees & Moving Picture M
EIN 346595448 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Alliance Theatrical Stage Employees Local 48
EIN 340680394 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Amphicar Owners Club
EIN 260198223 · Headquarters: Lakeview, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Assn Firefighters 329
EIN 510226650 · Headquarters: Barberton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assn of Firefighters
EIN 912058750 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assn of Firefighters #109
EIN 316049471 · Headquarters: NEWARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assn of Firefighters Local 291
EIN 316050010 · Headquarters: LANCASTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ