Nonprofits in Illinois
Nonprofits in Illinois. Browse 87,324 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
- Onward and Upward Educational Foundation Incorporated
EIN 823142634 · Headquarters: Normal, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Onward International
EIN 922511528 · Headquarters: ANNA, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Onward Media
EIN 376082151 · Headquarters: GOODFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onward Ministry Inc
EIN 473699114 · Headquarters: FORREST, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onward Neighborhood House
EIN 362167822 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onwentsia Club
EIN 361583620 · Headquarters: LAKE FOREST, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onyx Midwest Inc
EIN 830949203 · Headquarters: Chicago, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Onyx Skilled Trades Union Local 79
EIN 862319317 · Headquarters: Chicago, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx360 Nfp Corporation
EIN 932723108 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oodu Imperial Foundation
EIN 824826099 · Headquarters: Chicago, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oops Education
EIN 844709959 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oou Alumni North America Chapter
EIN 475105823 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opal Athletic Social Club
EIN 260293282 · Headquarters: Elmwood Park, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opal's House Nfp Inc
EIN 141881183 · Headquarters: EAST ST LOUIS, IL, US · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Open Access
EIN 463855967 · Headquarters: HOMEWOOD, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Arm Foundation Incorporated
EIN 260511705 · Headquarters: CALUMET PARK, IL, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Arms 101
EIN 833013814 · Headquarters: South Holland, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Arms for Alpha 1
EIN 813630749 · Headquarters: CAMBRIDGE, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Arms Graces
EIN 843023883 · Headquarters: Champaign, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Arms Ministry
EIN 611795433 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Arms Mission Nfp
EIN 593775399 · Headquarters: ANTIOCH, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Arms Warm Heart Community Daycare Nfp
EIN 800521787 · Headquarters: Hillside, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Books
EIN 204830666 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Cage Ensemble Nfp
EIN 300195402 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Open Center for the Arts
EIN 383936972 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Open Channel Foundation
EIN 364398203 · Headquarters: EVANSTON, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Open Communities
EIN 362934709 · Headquarters: EVANSTON, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Covenant Life Nfp
EIN 270401693 · Headquarters: Winthrop Harbor, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Democracy
EIN 993108589 · Headquarters: Evanston, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Door Clinic of Greater Elgin
EIN 362899274 · Headquarters: ELGIN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Inc
EIN 363125090 · Headquarters: SANDWICH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Outreach Center
EIN 901016581 · Headquarters: CHICAGO, IL, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Door Outreach Ministries
EIN 825152744 · Headquarters: Homewood, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Door Rehabilitation Center
EIN 362535682 · Headquarters: SANDWICH, IL, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Repertory Company
EIN 364242927 · Headquarters: Berwyn, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Open Doors Animal Inc
EIN 270471474 · Headquarters: LaGrange Park, IL, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Open Doors of Kane County
EIN 853755206 · Headquarters: AURORA, IL, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Doors Organization
EIN 364467777 · Headquarters: Rosemont, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Eyes
EIN 262753084 · Headquarters: Wheaton, IL, United States · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Eyes Inc
EIN 464248701 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Faith Homemaker Services Association
EIN 364151442 · Headquarters: Chicago Heights, IL, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Open Gates International
EIN 371388803 · Headquarters: Collinsville, IL, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Gates of Mercy Ministry
EIN 861916285 · Headquarters: Sandwich, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hand Elgin Inc
EIN 334985182 · Headquarters: Elgin, IL, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hand Studios Nfp
EIN 262260267 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Hands Child and Family Services Corporation
EIN 873549527 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hands Foundation
EIN 453077548 · Headquarters: DECATUR, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Open Hangar Collective
EIN 334887459 · Headquarters: Lebanon, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Heart Faith Gathering Inc
EIN 834467355 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Heart Food Bank
EIN 834568318 · Headquarters: South Pekin, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Heart Magic
EIN 270095889 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Heart Open Hands Ministries Inc
EIN 274789479 · Headquarters: ROBBINS, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Heart Prison Ministries
EIN 562557220 · Headquarters: Mahomet, IL, US · Crime & Legal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Hearts for Orphans Inc
EIN 262910937 · Headquarters: Downers Grove, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Open Hearts Foundation
EIN 841800730 · Headquarters: ELGIN, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Open House Charitable Foundation
EIN 844095628 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Local Illinois
EIN 461850313 · Headquarters: VILLA PARK, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Open Roads Corvette Club of Southern Illinois
EIN 372165512 · Headquarters: Benton, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Room
EIN 850961069 · Headquarters: Mahomet, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Sesame Child Care Center Inc
EIN 362823253 · Headquarters: DIXON, IL, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990
- Open Source Technology Improvement Fund Inc
EIN 473897395 · Headquarters: NAPERVILLE, IL, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Space Arts
EIN 853992959 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Studio Project Inc
EIN 363894275 · Headquarters: EVANSTON, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open the Bible
EIN 364377881 · Headquarters: Barrington, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open the Circle
EIN 822527647 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open to the Public
EIN 364285710 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Water Lake Swimming Foundation
EIN 471241462 · Headquarters: Evanston, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Weathers Lab Nfp
EIN 815178520 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Open Young Eyes Community Youth Corporation
EIN 463605682 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Openict Foundation
EIN 263367868 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Opening Doors with Teagan Inc
EIN 454981941 · Headquarters: HUNTLEY, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Opening Minds
EIN 462216407 · Headquarters: KENILWORTH, IL, USA · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990
- Opening Night Arts Group Inc
EIN 262925482 · Headquarters: Palos Heights, IL, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Openlands
EIN 362649603 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Openmic Health
EIN 272359935 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Opensource Art
EIN 204588913 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oper Plasterers & Cement Masons #11
EIN 364078859 · Headquarters: WOODSTOCK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opera Aeterna Nfp
EIN 832159947 · Headquarters: Northbrook, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera Cabal Performing Arts Association Nfp
EIN 271429523 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Opera Festival of Chicago
EIN 842527440 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opera Illinois League
EIN 261789005 · Headquarters: Peoria, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera on the Rocks Inc
EIN 862410126 · Headquarters: Champaign, IL, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Opera Quad Cities
EIN 421521354 · Headquarters: Moline, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera-matic Nfp
EIN 244199193 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operating Engineers 649 Afl Cio Death Benefit Fund Plan
EIN 376047856 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operating Engineers Apprenticeship & Skill Imp Committee - Central Il
EIN 370918073 · Headquarters: SPRINGFIELD, IL, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local 148 Credit Union
EIN 370631086 · Headquarters: GRANITE CITY, IL, USA · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990
- Operating Engineers Local 318 Joint Apprenticeship & Advanced Training
EIN 237306350 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operating Engineers Local 520 a B C D
EIN 370347803 · Headquarters: GRANITE CITY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local 520 Joint Apprenticeship and Training Fund
EIN 370964198 · Headquarters: ST JACOB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local 520 Vacation Fund
EIN 376149098 · Headquarters: OFALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation 1620
EIN 830942349 · Headquarters: Grayslake, IL, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation 2000 Inc
EIN 371368492 · Headquarters: Bloomington, IL, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Operation 223 Inc
EIN 933837190 · Headquarters: ROSCOE, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Asha Nfp C/o Rob Webster
EIN 203852112 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990
- Operation Bald Eagle Corp Nfp
EIN 452811110 · Headquarters: East Peoria, IL, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Operation Basketball Foundation
EIN 364407941 · Headquarters: CHICAGO, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Blackhawk
EIN 832572551 · Headquarters: EFFINGHAM, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Blessing of Southwest Chicagoland
EIN 363247132 · Headquarters: Alsip, IL, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Blessing People That Care Inc
EIN 371206691 · Headquarters: WOOD RIVER, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990