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
- Ocie Booker Health and Wellness Center of Chicago
EIN 812947407 · Headquarters: South Holland, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocif Nfp
EIN 651249447 · Headquarters: SPRINGFIELD, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- 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
- Oconnor Foundation Next Steps of Oconnor Foundation
EIN 364409382 · Headquarters: WILLOW SPRINGS, IL, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Octave Chanute Aerospace Heritage
EIN 371282931 · Headquarters: Rantoul, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- 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
- Oda Foundation
EIN 463640983 · Headquarters: Chicago IL, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Odat Recovery Solutions Inc
EIN 834149317 · Headquarters: Pana, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Odd Fellow Childrens Home of Illinois
EIN 370686579 · Headquarters: Lincoln, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Odd Fellow-Rebekah Housing Inc
EIN 371042408 · Headquarters: Lincoln, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Oddball Art Labs
EIN 822895168 · Headquarters: Elgin, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oddduck Ministries
EIN 822614015 · Headquarters: Oregon, IL, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Odds Bodkins
EIN 475390343 · Headquarters: Naperville, IL, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Odeh and Jamileh Akkawi Foundation
EIN 465218032 · Headquarters: ORLAND PARK, IL, USA · Education · 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 Apartments Inc
EIN 510154817 · Headquarters: Odell, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odell Days Celebration Committee a Non Profit Corp
EIN 811323791 · Headquarters: ODELL, IL, US · Public & Societal Benefit · 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
- Odell Sportsman Club No 1
EIN 376046683 · Headquarters: Odell, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odennell Eddy Floss Post 714
EIN 366079252 · Headquarters: FRANKFORT, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odin Pto
EIN 371603796 · Headquarters: Odin, IL, US · Education · Latest available filing year: 2014 · 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
- Odyssey Golf Foundation
EIN 465524395 · Headquarters: Tinley Park, IL, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oec Inc
EIN 471341251 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- OEHS Band Boosters Inc
EIN 850761029 · Headquarters: Oswego, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oesterreichischer Gemischter Chor the Austrian Mixed Chorus
EIN 363049325 · Headquarters: DOWNERS GROVE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · 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
- Oeu-965 Health Benefit Plan
EIN 366121856 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Of Color Inc
EIN 364840123 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ofallon Athletics Baseball Club
EIN 923492113 · Headquarters: Swansea, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ofallon Booster Club Inc
EIN 376176183 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ofallon Chapter 2281 Women of the Moose
EIN 260096193 · Headquarters: OFallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ofallon Chapter of the Fop
EIN 371313909 · Headquarters: O FALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ofallon High School Endowment Fund Ltd
EIN 371384370 · Headquarters: OFallon, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ofallon Historical Society Inc
EIN 371242974 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ofallon Jr High School Athletic-extracurricular Booster C
EIN 462985826 · Headquarters: OFallon, IL, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ofallon Lodge 2608 Layal Order Of
EIN 680497687 · Headquarters: OFALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ofallon Parks & Recreation Foundation
EIN 208063523 · Headquarters: OFallon, IL, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ofallon Sportsmens Club
EIN 370809958 · Headquarters: O FALLON, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ofeama Na Umuezie Development
EIN 300967657 · Headquarters: Calumet City, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Off Campus Writers Workshop
EIN 363582129 · Headquarters: WINNETKA, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Off Square Music Nfp
EIN 412097221 · Headquarters: woodstock, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Off the Alley
EIN 352307198 · Headquarters: chicago, IL, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Off the Chain Youth Center Nfp
EIN 204222081 · Headquarters: Naperville, IL, US · Youth Development · Latest available filing year: 2013 · 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 Cover News
EIN 392684945 · Headquarters: Calumet City, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Off the Fence Inc
EIN 205642825 · Headquarters: BEMENT, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Off the Grid
EIN 352541944 · Headquarters: Evanston, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- 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
- Offense Ministries Inc C/o Abby Winter
EIN 853211940 · Headquarters: MOUNT CARMEL, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Office and Professional Employees International Union
EIN 370916295 · Headquarters: Abingdon, IL, US · Employment · Latest available filing year: 2007 · 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
- Officially Human Nfp
EIN 332552458 · Headquarters: Lombard, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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
- Og Yorkville Schutzhund Club
EIN 465520911 · Headquarters: Yorkville, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · 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
- Ogberuru Development Association
EIN 752723660 · Headquarters: Crest Hill, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogden Avenue School Parent Teacher Council
EIN 811186613 · Headquarters: La Grange, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ogden Pto
EIN 823155489 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oghara Sons and Daughters of America
EIN 824730361 · Headquarters: ROMEOVILLE, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogle County 4-H Foundation Nfp
EIN 300516627 · Headquarters: OREGON, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogle County American Legion
EIN 800907449 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ogle County Beef Association
EIN 364285856 · Headquarters: FORRESTON, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ogle County Economic Development Corporation
EIN 352814750 · Headquarters: Oregon, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Ogle County Fair Association
EIN 363895458 · Headquarters: OREGON, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ogle County Farm Bureau
EIN 361575250 · Headquarters: Oregon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ogle County Historical Society
EIN 366058105 · Headquarters: Oregon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ogle County Home Community Education Association
EIN 366110164 · Headquarters: Oregon, IL, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ogle County K9 Fund
EIN 413017689 · Headquarters: Oregon, IL, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ogle County Pork Producers Association
EIN 363290433 · Headquarters: Oregon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogle County Shrine Club
EIN 237321373 · Headquarters: ROCKFORD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogle County Special Olympics
EIN 472570667 · Headquarters: Forreston, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Ogle Crossings Homeowners Associati On
EIN 270953974 · Headquarters: DAVIS JUNCTION, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogle Natural Areas Alliance
EIN 873611741 · Headquarters: Byron, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ogles Watch Neighborhood Association
EIN 471513507 · Headquarters: Belleville, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oglesby Ambulance Association
EIN 454978558 · Headquarters: Oglesby, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oglesby Firefighters Association
EIN 364431886 · Headquarters: Oglesby, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · 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
- Ogorod Productions
EIN 825359512 · Headquarters: Evanston, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · 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
- Oh Corporation
EIN 363689658 · Headquarters: SYCAMORE, IL, USA · Human Services · Latest available filing year: 2024 · 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
- Ohare Area Federal Employees Child Learning Center
EIN 363589758 · Headquarters: Des Plaines, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ohare Kiwi Club
EIN 202435355 · Headquarters: Winfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohare Military-civilian Alumni Association
EIN 364148816 · Headquarters: Hoffman Estates, IL, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ohare School of Irish Dance Parents Booster Club Inc
EIN 920317443 · Headquarters: Lake Bluff, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohdepro Inc
EIN 611560465 · Headquarters: Skokie, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Ohel Avraham
EIN 363352340 · Headquarters: SKOKIE, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Association of Rheumatology
EIN 200406204 · Headquarters: SCHAUMBURG, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ohio Betterment Committee Nfp
EIN 393637288 · Headquarters: Ohio, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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