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
- Omicron Alumni Association
EIN 376051476 · Headquarters: SAVOY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omicron Chi Chapter Sigma Gamma Rho Sorority Inc
EIN 912136333 · Headquarters: RICHTON PARK, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omicron Corp of Gamma Phi Beta Sorority Inc
EIN 370287230 · Headquarters: Urbana, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omicron Delta Epsilon Intl Honor Society in Economics Inc
EIN 742592981 · Headquarters: Jacksonville, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Omicron Delta Epsilon Intl Honor Society in Economics Inc
EIN 742592984 · Headquarters: Bloomington, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Omicron Delta Epsilon Intl Honor Society in Economics Inc
EIN 742593067 · Headquarters: Lake Forest, IL, US · Education · Latest available filing year: 2011 · 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 Delta Epsilon Intl Honor Society in Economics Inc
EIN 911955160 · Headquarters: Edwardsville, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Omicron House Corporation Kappa Delta Sorority
EIN 376049369 · Headquarters: Bourbonnais, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Omicron Kappa Upsilon Honorary Dental Society
EIN 462173720 · Headquarters: Naperville, IL, US · Education · Latest available filing year: 2023 · 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
- Omicron Kappa Upsilon-honorary Dental Society
EIN 237347887 · Headquarters: Alton, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omicron of Chi Omega Building Association
EIN 376032151 · Headquarters: CHAMPAIGN, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ominira Nfp
EIN 334045537 · Headquarters: ROCKFORD, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omni Business Services Inc
EIN 363852768 · Headquarters: Rockford, IL, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Omni U New Thought Development Centers-c/o Gloria Latimore-peace
EIN 363580062 · Headquarters: FLOSSMOOR, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omni Youth Services Incorporated
EIN 362777027 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omnia Institute for Contextual Leadership
EIN 362887286 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Omnia Performing Arts Center
EIN 542130065 · Headquarters: NAPERVILLE, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Omniarts
EIN 363915713 · Headquarters: PERU, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- 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
- Omnis Rehabilitation
EIN 990779049 · Headquarters: HIGHLAND PARK, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omron Foundation Inc
EIN 363644055 · Headquarters: HOFFMAN ESTATES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Omukama of Bunyoro Foundation USA Nfp Corporation
EIN 271848363 · Headquarters: Spring Valley, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- On Angels Wings Inc
EIN 260243934 · Headquarters: CRYSTAL LAKE, IL, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- On Behalf of My Child Project Nfp
EIN 853447539 · Headquarters: Montgomery, IL, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- On Broadway Dancers
EIN 363778933 · Headquarters: Coal City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · 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 Point Foundation
EIN 270748802 · Headquarters: Libertyville, IL, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- On Point Revival
EIN 994376842 · Headquarters: WARSAW, 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 the Edge Ministries
EIN 311501108 · Headquarters: Glen Ellyn, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- On the Help Line Inc Bulldog Basketball Inc
EIN 274280910 · Headquarters: WESTERN SPRINGS, IL, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990
- On the House Foundation
EIN 522387103 · Headquarters: BARRINGTON, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- On the Move 5 Fold Ministries
EIN 922998472 · Headquarters: NORTH AURORA, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- On the Move with Parks and Recreation
EIN 844211692 · Headquarters: MORRISON, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On the Road Classics Car Club
EIN 364325635 · Headquarters: ANTIOCH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- On the Road to Safe Driving
EIN 474577204 · Headquarters: GRAYSLAKE, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- On the Waterfront Inc
EIN 363318285 · Headquarters: ROCKFORD, IL, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990
- On to Victory Ministries Inc
EIN 300369408 · Headquarters: Peoria, IL, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- On Your Feet Foundation
EIN 364460465 · Headquarters: EVANSTON, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- On-ramp Organization
EIN 272230189 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Onarga Community Center
EIN 371272830 · Headquarters: Onarga, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Onarga Historical Society
EIN 208209967 · Headquarters: Onarga, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onarga Lions Club
EIN 364478038 · Headquarters: Onarga, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Once Upon a Prayer
EIN 814325065 · Headquarters: O FALLON, IL, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Once Upon a Time Foundation Inc
EIN 452174081 · Headquarters: River Forest, IL, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Once Upon Our Time Capsule
EIN 883477844 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Once You Choose Hope
EIN 412586757 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oncology Nursing Society
EIN 363959376 · Headquarters: Metamora, IL, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oncology Nursing Society - C393 East Central Illinois
EIN 815139388 · Headquarters: Fisher, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ondo State Association of America
EIN 030539314 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Accord Community Development Corporation
EIN 320238400 · Headquarters: Springfield, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- One Acre Fund
EIN 203668110 · Headquarters: HIGHLAND PARK, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Aim Illinois
EIN 823786602 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Blue Pearl
EIN 261801608 · Headquarters: Western Springs, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Body One Purpose
EIN 461055759 · Headquarters: PEKIN, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- One Book One World
EIN 863586729 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Break
EIN 810888303 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- One by One
EIN 204434900 · Headquarters: SCHAUMBURG, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990
- One Cell at a Time Nonprofit
EIN 882330946 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Chance Illinois - Action
EIN 464994944 · Headquarters: Northbrook, IL, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990
- One Chicago Community Development Corporation Foundation
EIN 923292484 · Headquarters: CHICAGO, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Church One School Community Partnership
EIN 311513803 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Collective
EIN 366069820 · Headquarters: ELGIN, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Community
EIN 834001862 · Headquarters: Glen Ellyn, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Course Foundation
EIN 460821259 · Headquarters: Vernon Hills, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- One Day at a Time Fitness Inc
EIN 862946699 · Headquarters: Country Club Hills, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Day at a Time Ministries Inc
EIN 853325434 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Digital Community Church Inc
EIN 862379684 · Headquarters: Carpentersville, IL, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- One Direction Forward Inc
EIN 383891885 · Headquarters: Matteson, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Divot
EIN 455192994 · Headquarters: Wheaton, IL, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Dream
EIN 465553103 · Headquarters: Schaumburg, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Earth Collective
EIN 471691970 · Headquarters: OAK PARK, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Family Chicago
EIN 990540753 · Headquarters: LINCOLNWOOD, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Family Global Volunteering
EIN 825029526 · Headquarters: Petersburg, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- One Family Illinois
EIN 363599110 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Family Mission Inc
EIN 814565529 · Headquarters: ROMEOVILLE, IL, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Family One Purpose
EIN 455471924 · Headquarters: LA HARPE, IL, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Feeds Two USA
EIN 830931848 · Headquarters: ELMHURST, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Fine Tune Foundation Nfp
EIN 851755923 · Headquarters: Thornton, IL, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Flesh Ministries Inc
EIN 611442754 · Headquarters: Glenwood, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One for One Chicago
EIN 261240877 · Headquarters: CHICAGO, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- One for the Kids
EIN 364311480 · Headquarters: WESTERN SPRINGS, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- One Future Illinois Nfp
EIN 994447889 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Glove-one Love Chase Shott Memorial
EIN 824893687 · Headquarters: ROSCOE, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Goal Animal Foundation
EIN 464172407 · Headquarters: Orland Park, IL, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- One Heart for Africa
EIN 383737758 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- One Heart for Humanity Nfp
EIN 920951805 · Headquarters: GLENVIEW, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Heart One Mind
EIN 465752933 · Headquarters: BLOOMINGTON, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Heart One Soul Coalition
EIN 275440660 · Headquarters: Niles, IL, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- One Heart Uganda Incorporated
EIN 475262711 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Hellas Ellas Foundation
EIN 300774179 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Hope Project Inc
EIN 844952806 · Headquarters: BLOOMINGTON, IL, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Hope United
EIN 331051751 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990
- One Hope United
EIN 362181967 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Hope United
EIN 471311667 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ