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
- OneSight
EIN 311385607 · Headquarters: Mason, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oneteam Cf
EIN 611608532 · Headquarters: CLEVELAND, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onets Inc
EIN 852591848 · Headquarters: Doylestown, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onetwentyseven
EIN 821719712 · Headquarters: Dover, OH, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Onevoice4freedom
EIN 465609723 · Headquarters: WESTERVILLE, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ong Adc Association Des Donateurs Charitables
EIN 830774376 · Headquarters: COLUMBUS, OH, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Onion Bag Litter Prevention Project
EIN 932034441 · Headquarters: MOUNT VERNON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onix Outreach
EIN 472112999 · Headquarters: LAKEWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Online Impacts
EIN 843503084 · Headquarters: Mason, OH, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Online Writing Centers Association
EIN 852849109 · Headquarters: TIFFIN, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Only Imagine Foundation
EIN 471851600 · Headquarters: Blue Ash, OH, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Only Imagine Foundation Ltd
EIN 461214482 · Headquarters: Blue Ash, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Only Jesus Ministries Inc
EIN 832670793 · Headquarters: Dayton, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OnMain Inc C/o University of Dayton
EIN 832877212 · Headquarters: Dayton, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Onnyo Theater Inc
EIN 412198132 · Headquarters: Columbus, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Growth Association
EIN 300133430 · Headquarters: ONTARIO, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ontario Growth Association Inc
EIN 453262751 · Headquarters: ONTARIO, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Ontario Growth Corp Inc
EIN 453246099 · Headquarters: ONTARIO, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ontario High School Booster Club
EIN 341429672 · Headquarters: ONTARIO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ontario Lions Charities Inc
EIN 844893580 · Headquarters: Ontario, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Music Club Inc
EIN 832241594 · Headquarters: Ontario, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Music Parents Association
EIN 341285320 · Headquarters: Mansfield, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Ontario Parents for Academic Achievement
EIN 341556738 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ontario Warrior Wear
EIN 841764200 · Headquarters: MANSFIELD, OH, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Ontario Youth Sports Inc C/o Kenn Spencer
EIN 341858922 · Headquarters: ONTARIO, OH, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onycha Chapter 222 International Mason and Order of Eastern Stars
EIN 471794413 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Onyx Contemporary Dance Company
EIN 834356981 · Headquarters: Fairborn, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx Great Lakes
EIN 815430338 · Headquarters: Euclid, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oola Khan Grotto Band
EIN 364722031 · Headquarters: Cincinnati, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oomycete Genetics Network
EIN 471923179 · Headquarters: BOWLING GREEN, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Op&f Memorial Park
EIN 223861076 · Headquarters: Columbus, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opba Charitable Foundation
EIN 263527658 · Headquarters: NORTH ROYALTON, OH, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opeiu Local 1794
EIN 341327154 · Headquarters: ROCKY RIVER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opeiu Local 792
EIN 341364988 · Headquarters: ELYRIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Opeiu Local 98 Veba Trust
EIN 311262618 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Open Arms Adoptions Inc
EIN 473674005 · Headquarters: KENT, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Arms Community Outreach Inc
EIN 461663048 · Headquarters: Youngstown, OH, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Arms Development Corporation
EIN 311519424 · Headquarters: BLACKLICK, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Arms Foundation
EIN 842778191 · Headquarters: Sullivan, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Arms Hispanic Ministries
EIN 201722305 · Headquarters: ORRVILLE, OH, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Arms Pound Rescue
EIN 263242394 · Headquarters: Celina, OH, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Arms Pregnancy Center
EIN 272028979 · Headquarters: CAMBRIDGE, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Arms Sober Inc
EIN 821370156 · Headquarters: Groveport, OH, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Open Arms Transformation Living
EIN 861987929 · Headquarters: TOLEDO, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Data Cincy
EIN 463866678 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Open Door Christian Schools
EIN 341196802 · Headquarters: ELYRIA, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Counseling & Community Center
EIN 392732986 · Headquarters: Elyria, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Door Food Pantry Inc
EIN 311030456 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Maternity Home Inc
EIN 341761634 · Headquarters: EUCLID, OH, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Open Door Mens Ministry Inc
EIN 900892365 · Headquarters: Richmond Heights, OH, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Open Door Resource Center
EIN 270824197 · Headquarters: UPPER SANDUSKY, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door School Booster Club
EIN 922387550 · Headquarters: Coal Grove, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Door Season Organization
EIN 334843008 · Headquarters: Amherst, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Door Veterinary Collective
EIN 854259059 · Headquarters: GRAND RAPIDS, OH, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Doors Inc
EIN 043697716 · Headquarters: CLEVELAND, OH, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Doors Ministries of Carrollton Ohio
EIN 811317370 · Headquarters: CARROLLTON, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Eyes Open Hearts Inc
EIN 262274205 · Headquarters: Gahanna, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Open Gate Farm Inc
EIN 921197403 · Headquarters: Bremen, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Open Gate Garden Club
EIN 800550823 · Headquarters: London, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hands Food Pantry Inc
EIN 454514851 · Headquarters: HAMILTON, OH, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Hands Open Hearts Foundation
EIN 832370353 · Headquarters: Lewis Center, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Heart Ministries Inc
EIN 932521077 · Headquarters: Groveport, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Open Hearts and Minds Foundation
EIN 271734113 · Headquarters: Ashland, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hearts Bully Rescue
EIN 475375494 · Headquarters: Lima, OH, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Open Hearts Co
EIN 810769148 · Headquarters: Grove City, OH, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Open Homes
EIN 472286878 · Headquarters: Bowling Green, OH, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open House Cincinnati
EIN 270000990 · Headquarters: Maineville, OH, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Open Institute for Social Science
EIN 822124668 · Headquarters: Lyndhurst, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Institute Inc
EIN 821707895 · Headquarters: CINCINNATI, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open M
EIN 341046107 · Headquarters: Akron, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open M Foundation
EIN 030605432 · Headquarters: AKRON, OH, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Map Missions
EIN 831691029 · Headquarters: Williamsburg, OH, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Options Inc
EIN 311211402 · Headquarters: LEBANON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Orange Parent Education Network
EIN 341948239 · Headquarters: Pepper Pike, OH, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Open Pages Initiative Inc
EIN 933564638 · Headquarters: DAYTON, OH, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Parent Education Network
EIN 843564049 · Headquarters: Medina, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Path Garden Club Madison County
EIN 263805674 · Headquarters: Plain City, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Open Pomme Orchard
EIN 813048069 · Headquarters: New Carlisle, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Road Path Inc
EIN 842617148 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Source Medicine
EIN 843665989 · Headquarters: CANAL FULTON, OH, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- OPEN THREADS F/k/a Esperanza Threads Inc
EIN 341921602 · Headquarters: Cleveland, OH, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Tone Music
EIN 273088230 · Headquarters: Akron, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Trail Collective
EIN 991750980 · Headquarters: Akron, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Waters Math & Science Center Inc
EIN 471389126 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Open Your Heart Inc
EIN 310818997 · Headquarters: CHILLICOTHE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open-chagrin Falls Open Parent Education Network
EIN 861083257 · Headquarters: Chagrin Falls, OH, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- OpenDoor
EIN 843092407 · Headquarters: Columbus, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- OpenDroneMap
EIN 883667595 · Headquarters: Berea, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Openeyezproduction
EIN 844561909 · Headquarters: Cincinnati, OH, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Openfpga Inc
EIN 204501763 · Headquarters: Columbus, OH, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Opening Doors of Ohio Inc
EIN 611430691 · Headquarters: Columbus, OH, USA · Crime & Legal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Opening Our Hearts Llc
EIN 820887445 · Headquarters: Piqua, OH, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Openly Promoting Enrollment Now
EIN 743200089 · Headquarters: Cleveland Heights, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera Guild of Dayton C/o Dayton Performing Arts Alliance
EIN 311021023 · Headquarters: DAYTON, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990
- Opera Project Columbus Inc
EIN 452324535 · Headquarters: WORTHINGTON, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- OPERA Western Reserve Inc
EIN 203444934 · Headquarters: Youngstown, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Accelerate Justice
EIN 882536301 · Headquarters: Canton, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Acts Inc
EIN 261305005 · Headquarters: MILLERSBURG, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Blessing Bag
EIN 371843489 · Headquarters: Hamilton, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Buckeye
EIN 260110974 · Headquarters: Cincinnati, OH, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ