Unknown & Unclassified nonprofits
Unknown & Unclassified nonprofits. Browse 557,756 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
- Ohio Association of Senior Centers Inc
EIN 311224119 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Association of Student Leaders
EIN 310820957 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Association of the Deaf Inc
EIN 346578278 · Headquarters: POLAND, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Athletic Committee
EIN 341886139 · Headquarters: SANDUSKY, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ohio Auctioneers Association
EIN 310673333 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Auto Theft Investigators Association Inc
EIN 311012434 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ohio Automatic Merchandising Association
EIN 316053075 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Automobile Dealers Association
EIN 314268660 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Automobile Insurance Plan
EIN 316068787 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Bail Agents Association
EIN 901184650 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Bakers Association
EIN 316049583 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Bandits Baseball
EIN 854056365 · Headquarters: medway, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Bankers Benefits Trust
EIN 316172509 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Baptist Education Society
EIN 316036177 · Headquarters: Granville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Baptist Temple
EIN 310896573 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ohio Beta Rho Realty Company
EIN 310049577 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Beverage Association
EIN 314268930 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Bible Conference Inc
EIN 237297226 · Headquarters: OTWAY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Bitcoin Foundation
EIN 882808955 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ohio Black Civic Engagement Coalition
EIN 331280966 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Black Judges Association
EIN 862788545 · Headquarters: Gahanna, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ohio Bluebird Society Incorporated
EIN 341686690 · Headquarters: Kirtland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Bowling Council
EIN 464820654 · Headquarters: Montpelier, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ohio Branch of the American Asso of Laboratory Animal Science
EIN 311195074 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Brass Factory Senior Drum & Bugle Corps Inc
EIN 341336920 · Headquarters: HARRISON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Bricklayers Health and Welfare Plan
EIN 316064918 · Headquarters: Troy, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Bricklayers Health Supplemental Plan
EIN 542142185 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Ohio Brotherhood of the Junglecock
EIN 311251851 · Headquarters: Canal Winchester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Buckeye Roadrunners
EIN 934723815 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ohio Buckeyes Chapter
EIN 611609209 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Building Owners and Managers Assn
EIN 311167551 · Headquarters: Mesa, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Business & Professional Womens Retirement Foundation
EIN 316084874 · Headquarters: ZANESVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Business Roundtable
EIN 311359114 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Cable Telecommunications Association
EIN 237255930 · Headquarters: UPPER ARLINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Camera Collectors Society
EIN 311117500 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Campground Owners Association Inc
EIN 310897664 · Headquarters: POWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Cannabis Coalition
EIN 833732401 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Capital City No 3764 Veterans of Foreign Wars
EIN 237145146 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Capitol Society Inc
EIN 820702454 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ohio Cast Metals Association
EIN 311328281 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Cattlemen's Association
EIN 310784822 · Headquarters: MARYSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Ccim Chapter of the Realtors National Marketing Institute
EIN 311038501 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Cemetery Association
EIN 440557320 · Headquarters: Burlington Jct, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Chamber of Commerce
EIN 314357206 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Chapter Assocation of Accounti Ng Administrators
EIN 311369849 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ohio Chapter National Society of Professional Ins Investigators
EIN 311495983 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ohio Chapter of Ania
EIN 301017281 · Headquarters: Trenton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Chapter of Ashi Inc
EIN 341605519 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ohio Chapter of International Assoc Iation of Special
EIN 341839455 · Headquarters: Ostrander, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Chapter of North American 40 Plus Touring Riders
EIN 341712866 · Headquarters: Dundee, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ohio Chapter of Sports Turf Managers Association Inc
EIN 341859670 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ohio Chapter of the American Academy of Optometry
EIN 993512916 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Chapter of the American Association of Service Coordinator
EIN 271293485 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Chapter of the American College of Cardiology
EIN 311315856 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Chapter of the American Society of Farm Managers and Rural
EIN 311806392 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Chapter of the Appraisal Institute
EIN 311419685 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Chapter of the Asla
EIN 311134473 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Chapter of the FBI National Association
EIN 341447382 · Headquarters: MARYSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Chapter of the National Association of Home Inspection
EIN 721596930 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ohio Chapter of the Urban and Regional Information Systems
EIN 833106396 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Chapter of Urisa
EIN 311446874 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ohio Chapter the American Academy of Orthotists and Prosthetists Inc
EIN 311003250 · Headquarters: Perrysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Chemistry Technology Council
EIN 311231690 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Chess Association
EIN 310868090 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Child Support Professionals Assoc
EIN 311438854 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Children's Alliance
EIN 341168205 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Children's Hospital Association
EIN 311196888 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Chinese Opera Association
EIN 933837791 · Headquarters: WEST CHESTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Christian Education Network Scholarship Granting Organization
EIN 311787824 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Christmas Tree Association
EIN 341025602 · Headquarters: FRAZEYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Citizen Action
EIN 341208942 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Citizen Action Education Fund
EIN 341208940 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Citizens Climate Lobby
EIN 883909197 · Headquarters: Milford, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Citizens for Responsible Energy Inc
EIN 341487193 · Headquarters: MENTOR, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio City Fellow Craft Club
EIN 271144834 · Headquarters: martins ferry, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ohio Claybusters Llc
EIN 833946004 · Headquarters: DOYLESTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ohio Cleaners Association and Automatic Laundry & Cleaning Counc
EIN 310903408 · Headquarters: Worthington, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ohio Coal Association
EIN 314440724 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Coalition For Adult Protective Services
EIN 311301471 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Coalition for Open Government
EIN 311367851 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Coalition for the Education of Children with Disabilities (OCECD)
EIN 310932170 · Headquarters: Marion, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Coalition of Appraisal Professional
EIN 270704442 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Code Enforcement Officials Association
EIN 311348985 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Coin Machine Association
EIN 310987778 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Collectors Association Inc
EIN 310674920 · Headquarters: BEACHWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio College Assoc of Social Work Educators
EIN 800545149 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Ohio College Health Association
EIN 237289785 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio College of Masotherapy
EIN 237385525 · Headquarters: Akron, OH, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990
- Ohio College Personnel Association
EIN 341287614 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio College Sricf
EIN 901020921 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Colt Racing Association
EIN 310898971 · Headquarters: Washington Court House, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Common Pleas Judges Association
EIN 310962478 · Headquarters: Perrysville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohio Community Corrections Association Inc
EIN 341193406 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Compost Association Inc
EIN 341786445 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Concerns of Police Survivors Inc
EIN 311637680 · Headquarters: Lancaster, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ohio Concrete Masonry Association
EIN 316050850 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio Confederation of Teacher Education Organizations
EIN 341449480 · Headquarters: WOOSTER, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio Conference of Community Development Inc
EIN 310926774 · Headquarters: URBANA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Conference of Plasterers & Cement Masons Health & Welfare Fund
EIN 316051539 · Headquarters: CANFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Conference of Teamsters
EIN 341087780 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990