Nonprofits in Ohio
Nonprofits in Ohio. Browse 89,326 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
- National Association of Letter Carriers
EIN 900294960 · Headquarters: Huron, OH, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Association of Letter Carriers 148
EIN 346536709 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letter Carriers 452 Chillicothe Ohio
EIN 316039562 · Headquarters: CHILLICOTHE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Afl-clo #238
EIN 346608254 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letter Carriers Auxiliary of USA
EIN 316060358 · Headquarters: Xenia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Auxiliary of USA
EIN 480666691 · Headquarters: Gibsonburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Auxiliary of USA
EIN 900420997 · Headquarters: Xenia, OH, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Branch 105
EIN 346547128 · Headquarters: lima, OH, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Branch 1149
EIN 316079844 · Headquarters: Xenis, OH, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Branch 307
EIN 346597087 · Headquarters: URBANA, OH, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Branch 43
EIN 310647607 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letter Carriers Branch 45
EIN 316050846 · Headquarters: Springfield, OH, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Association of Letter Carriers Branch 549
EIN 237114828 · Headquarters: Painesville, OH, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Letter Carriers Local 182
EIN 316046635 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letter Carriers Local 385
EIN 340907027 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letters Carriers
EIN 346597137 · Headquarters: Shadyside, OH, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Association of Letters Carriers
EIN 346597162 · Headquarters: MENTOR, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Miniature
EIN 942611769 · Headquarters: FELICITY, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 311082679 · Headquarters: Dayton, OH, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 311456923 · Headquarters: West Chester, OH, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 311462720 · Headquarters: West Chester, OH, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 341719374 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 341801489 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 341824540 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 341826230 · Headquarters: STRONGSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 383222136 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 900206209 · Headquarters: Springfield, OH, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 900382793 · Headquarters: Huber Hts, OH, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Miniature Enthusiasts
EIN 942645508 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Minority Contractors of Central Ohio
EIN 831097020 · Headquarters: COLUMBUS, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Negro Busin Ess and Professional Womens C
EIN 010868754 · Headquarters: TOLEDO, OH, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Association of Negro Busin Ess and Professional Womens C
EIN 341271966 · Headquarters: Elyria, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Negro Busin Ess and Professional Womens C
EIN 341545671 · Headquarters: Lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Negro Business and Professional Womens C
EIN 341750385 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Neonatal Nurses
EIN 300423189 · Headquarters: Cincinnati, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Association of Neonatal Nurses
EIN 823332868 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Neonatal Nurses
EIN 830495835 · Headquarters: University Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Neonatal Nurses
EIN 844575617 · Headquarters: Sylvania, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Association of Nephrology Technologists (Nant)
EIN 141722307 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Parliamentarians
EIN 237055164 · Headquarters: Columbus, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 237128766 · Headquarters: Dayton, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 311114389 · Headquarters: Kettering, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 341489518 · Headquarters: Cleveland Hts, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 382277491 · Headquarters: Toledo, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 521219644 · Headquarters: Lakewood, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Association of Parliamentarians Queen City Unit
EIN 316081836 · Headquarters: Dayton, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Postal Supe Rvisors Branch 2
EIN 394096493 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Postal Supervisors - Branch 29
EIN 310982654 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of Postal Supervisors Branch 278
EIN 453970204 · Headquarters: lima, OH, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Association of Pro Bono Professionals Inc
EIN 261230927 · Headquarters: Dayton, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Professional Pet Sitters Inc
EIN 521809156 · Headquarters: Huron, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Purchasing Management-mid Ohio Valley Inc
EIN 550704490 · Headquarters: Marietta, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 237082464 · Headquarters: Bellevue, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 316084163 · Headquarters: SPRINGFIELD, OH, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 320407338 · Headquarters: Ashtabula, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 363631762 · Headquarters: Saint Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 363631764 · Headquarters: Dennison, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 363632293 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 521281633 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 521893861 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 521923319 · Headquarters: Avon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 611421424 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees Inc
EIN 912011347 · Headquarters: ZANESVILLE, OH, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Association of Retired and Veteran Railway Employees Inc
EIN 316083476 · Headquarters: South Bloomfield, OH, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- National Association of Royalty Owners Ohio Chapter Inc
EIN 842124078 · Headquarters: Powhatan Point, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Scholars
EIN 341672412 · Headquarters: Cleveland, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of State Offices of Minority Health
EIN 300330877 · Headquarters: COLUMBUS, OH, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of State Student Grant and Aid Programs
EIN 710569634 · Headquarters: COLUMBUS, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Association of Statewide Independent Living Councils
EIN 842963661 · Headquarters: GAHANNA, OH, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of Tax Professionals Inc
EIN 341657631 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Teachers of Singing
EIN 270957256 · Headquarters: Akron, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of the Remodeling Industry
EIN 261557760 · Headquarters: AKRON, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Association of the Wolves
EIN 346541083 · Headquarters: Canfield, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Association of Watch and Clock Collectors Inc
EIN 311087343 · Headquarters: Blanchester, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Women Business Owners
EIN 341412398 · Headquarters: Bay Village, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Association of Women Business Owners Columbus Chapter
EIN 311441262 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Women in Construction
EIN 202827274 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 237098787 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 316052197 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 316065575 · Headquarters: cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 341310035 · Headquarters: Sylvania, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 341554310 · Headquarters: Amherst, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 346607147 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Contruction
EIN 271412075 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Associations of Letter Carriers Branch 40
EIN 346537136 · Headquarters: Brooklyn Hts, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Assos of Watch and Clock Collectors Inc Lake Erie Chap
EIN 346563635 · Headquarters: CUYAHOGA FALLS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Astronomy Foundation Inc
EIN 611686959 · Headquarters: Lakewood, OH, US · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Autism Association Inc Northeas
EIN 020793983 · Headquarters: SHAKER HTS, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Autism Association of Southeast Ohio
EIN 270423825 · Headquarters: SOMERSET, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Autism Community Network
EIN 260094091 · Headquarters: University Hts, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 272449638 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 311447744 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 455514934 · Headquarters: Lancaster, OH, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 474303306 · Headquarters: Monroe, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 510220710 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 813035449 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of the Civil War Us
EIN 166029191 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of the Civil War Us
EIN 263285852 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of the Civil War Us
EIN 263518620 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of the Civil War Us
EIN 311446417 · Headquarters: Coolville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N