Nonprofits in Chicago, Illinois
Nonprofits in Chicago, Illinois. Browse 21,446 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
- Oasis Worldwide
EIN 202588656 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oaxaca Learning Center Amigos Nfp
EIN 813874210 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Obadiah Institute for Family Services Inc
EIN 363748730 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Obi Wan Nfp
EIN 852418367 · Headquarters: Chicago, IL, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oblate International Pastoral Investment
EIN 364321726 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Obliging Care Network
EIN 922036555 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Obscure Histories
EIN 883739420 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obudu Network
EIN 331695949 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oc Community Outreach and Workforce Development
EIN 923155675 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Occult Spiritual Society and Gnostic Church
EIN 833599056 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ocean Love
EIN 842759831 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OConnor Family Foundation Co Duggan Bertsch LLC
EIN 384088399 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- Octavus N Hutchinson Tr Xxxxx3000
EIN 366011987 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ocular Research Trust Xxxxx9006
EIN 367131295 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Odeli Foundation Nfp
EIN 393897457 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odell Dorothys Education and Scholarship Foundation
EIN 301022458 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odradek Theatre Company
EIN 274522070 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oec Inc
EIN 471341251 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oettinger Foundation
EIN 364515425 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Of Color Inc
EIN 364840123 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Off the Alley
EIN 352307198 · Headquarters: chicago, IL, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Off the Couch
EIN 332391845 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Off the Pews Faith in Action Ltd
EIN 831372468 · Headquarters: Chicago, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Off the Street Club
EIN 362169162 · Headquarters: CHICAGO, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Off to College Inc
EIN 331505601 · Headquarters: CHICAGO, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Office and Professional Employees International Union Local 391
EIN 366127611 · Headquarters: Chicago, IL, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Officer Michael a Ceriale
EIN 364278436 · Headquarters: CHICAGO, IL, USA · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Offin Charitable Tr Xxxxx7001
EIN 136944122 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Offinso-kwabre Association of Chicagoland
EIN 383878944 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Offshootz
EIN 832348295 · Headquarters: Chicago, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Og - Angel Helping Hand
EIN 811646788 · Headquarters: Chicago, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oganihu Owerri Provincial Association
EIN 273353767 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ogden Pto
EIN 823155489 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oglesby Montessori Foundation
EIN 461042673 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oh Art Foundation
EIN 462216297 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ohana Research Foundation
EIN 943240747 · Headquarters: CHICAGO, IL, USA · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- OHare - Midway T Local 7011
EIN 361661885 · Headquarters: Chicago, IL, USA · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Ohio Chapter of the American College of Surgeons
EIN 237039480 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 State University Alumni Association Inc
EIN 311484757 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oka Descendants Union of North America
EIN 263377330 · Headquarters: Chicago, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Okay Cycle Club
EIN 874472787 · Headquarters: Chicago, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Okeeffe Alumni
EIN 364804932 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Okigwe Education and Cultural Organization of Chicago
EIN 471430360 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma City University Employees Medical Plan Tr-bhem Affil Instit
EIN 366795526 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ola Mae Wilson Queen Production Inc
EIN 900828274 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Ola-jua Inc
EIN 208010354 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Olabisi Bakare Memorial Foundation Nfp
EIN 834472962 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oladunni Foundation Nfp
EIN 831378572 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olaolaide Foundation Nfp
EIN 822881925 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Chapter Ii of the Affordable Housing Preservation Foundation
EIN 841173585 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Edgebrook Historical Society
EIN 900518819 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Old Glory Club Human Development Fund
EIN 392862072 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Gold Basketball Association
EIN 364349015 · Headquarters: Chicago, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Holy Resurrection Church
EIN 203702099 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-T
- Old Irving Park Association
EIN 363252882 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Irving Park Community Clinic
EIN 331164946 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Old Neighborhood Italian American Club
EIN 363204302 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old People's Home of the City of Chicago
EIN 204057089 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Old Town Merchants & Residents Assoc
EIN 363236430 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Neighborhood Foundation
EIN 471747480 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Town School of Folk Music
EIN 362373635 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Teachers Organization
EIN 842121948 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Town Triangle Association
EIN 362336401 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Wicker Park Committee
EIN 362952928 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Older Womens League
EIN 363705107 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Older Womens League
EIN 364174922 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Ole Tymers Chicago Fire Fighters and Paramedics
EIN 383782341 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olevias Sixth Inc
EIN 821764476 · Headquarters: Chicago, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Olive & Friends
EIN 811391055 · Headquarters: Chicago, IL, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Olive Branch Mission
EIN 362365901 · Headquarters: Chicago, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olive M Clark Tua Xxxxx5007
EIN 356057815 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olive Tree Arts Network Nfp
EIN 813499678 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Olive Tree Foundation
EIN 364155254 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oliver & Vicky Purnell Charities Inc
EIN 262892181 · Headquarters: CHICAGO, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oliver W Storer Scholarship Foundation
EIN 356012044 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olivet Center for Integrated Services Nfp
EIN 393238007 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olivet Development Corporation
EIN 320072501 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olivet Preservation Society Nfp
EIN 833166498 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olivia Herbert Tr Fbo St Georges Prot
EIN 136050701 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olivier Kamanzi Foundation
EIN 472622434 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Ollie Henderson Foundation
EIN 923780556 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Om Family Foundation C/o Mb Investments Llc
EIN 831153566 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Om Productions International
EIN 363093847 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oman Center
EIN 473003400 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omari Community Wellness Services I Nc
EIN 394277168 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omega Alpha Elder Association of Zeta Psi
EIN 821997806 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Omega Delta National Fraternity
EIN 262780758 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Omega Museum Commitee Inc
EIN 320357498 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Omega Uplift Foundation N F P
EIN 760811699 · Headquarters: chicago, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Omicron Delta Epsilon Intl Honor Society in Economics Inc
EIN 742593084 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Omicron Kappa Upsilon Sigma Chapter
EIN 237156597 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Omnia Institute for Contextual Leadership
EIN 362887286 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Omnibus Society of America
EIN 366112688 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omnipotent Outreach Ministries
EIN 010622807 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- On My Own-an Anti-discrimination an D Social Justice Education Outreac
EIN 872331514 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- On Our Team
EIN 872843559 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On Target Recovery
EIN 261833578 · Headquarters: Chicago, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- On the Altar Ministries Inc
EIN 311701979 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- On-ramp Organization
EIN 272230189 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N