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
- Olevias Sixth Inc
EIN 821764476 · Headquarters: Chicago, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oli Gardens Inc
EIN 811305016 · Headquarters: NAPERVILLE, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Olin Works Management Club
EIN 376048763 · Headquarters: East Alton, IL, US · Recreation & Sports · Latest available filing year: 2008 · 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 Area Comm Dev Corp
EIN 460926274 · Headquarters: Olive Branch, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Olive Branch Cemetery
EIN 376049673 · Headquarters: Annapolis, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olive Branch Library
EIN 364382643 · Headquarters: Harwood Heights, IL, US · Education · Latest available filing year: 2008 · 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
- Olive Tree Youth Center Association
EIN 611796203 · Headquarters: Westchester, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive-mary Stitt School Pta
EIN 363290998 · Headquarters: ARLINGTON HEIGHTS, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 a Ruff Educational & Mentoring Scholarship Nfp
EIN 364680808 · Headquarters: EVANSTON, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oliver W Storer Scholarship Foundation
EIN 356012044 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oliver Wendell Holmes Junior High School Parent Teacher Organization
EIN 363548473 · Headquarters: Mt Prospect, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oliver-hoffmann Foundation
EIN 366896078 · Headquarters: YORKVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oliver-hoffmann Foundation
EIN 843100228 · Headquarters: YORKVILLE, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · 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 Nazarene University
EIN 362191252 · Headquarters: Bourbonnais, IL, United States · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olivet Nazarene University Foundation
EIN 237063419 · Headquarters: BOURBONNAIS, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olivet Preservation Society Nfp
EIN 833166498 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olivette Park Esl Community Development Corporation
EIN 853780202 · Headquarters: East Sant Louis, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Olivette Park Neighborhood Association
EIN 371361421 · Headquarters: East St Louis, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Olivia Cerone Foundation Nfp
EIN 273226934 · Headquarters: Palatine, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · 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
- Oliviadrucares
EIN 851004808 · Headquarters: LOMBARD, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olivias Sunshine Foundation
EIN 993499297 · Headquarters: Mount Vernon, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olivier Kamanzi Foundation
EIN 472622434 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- OLL Education Services
EIN 363184208 · Headquarters: North Aurora, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ollie and Dorothy Myers Trail Foundation Inc
EIN 825512663 · Headquarters: Lexington, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ollie Henderson Foundation
EIN 923780556 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olmstead Memorial Museum Inc
EIN 205045138 · Headquarters: SOMONAUK, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Olmsted Historical Society
EIN 371333682 · Headquarters: Olmsted, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Arts Council
EIN 510179115 · Headquarters: OLNEY, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olney Arts Council of Illinois Nfp
EIN 843465730 · Headquarters: OLNEY, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olney Babe Ruth League Inc
EIN 237448542 · Headquarters: Olney, IL, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Olney Basketball League Inc
EIN 880824161 · Headquarters: Olney, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Central College Foundation
EIN 237117220 · Headquarters: OLNEY, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olney Chamber of Commerce
EIN 370447473 · Headquarters: OLNEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Olney Cubs Wrestling Club Inc
EIN 862668372 · Headquarters: Olney, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Firefighters Association
EIN 510563298 · Headquarters: Olney, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Jr Pro Cheerleading
EIN 882908611 · Headquarters: Noble, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Junior Football League
EIN 922244507 · Headquarters: Olney, IL, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olney Lions Club Foundation Inc
EIN 364177600 · Headquarters: Olney, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Olney Memorial Post 4226 Veterans of Foreign Wars
EIN 370638696 · Headquarters: OLNEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olney Rebels Special Olympics
EIN 872173159 · Headquarters: Olney, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Tiger Sharks Swim Team
EIN 900718637 · Headquarters: Olney, IL, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Olney Tiger Sports Boosters Inc
EIN 371129003 · Headquarters: Olney, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olney Voice of Christian Faith Inc
EIN 371202002 · Headquarters: Olney, IL, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Olney White Squirrel Archery Club
EIN 883887181 · Headquarters: NOBLE, IL, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- OLSA Lightning Inc
EIN 453152812 · Headquarters: Burbank, IL, USA · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Olson Elementary Pto
EIN 473458812 · Headquarters: Woodstock, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oly Aces Youth Volleyball Program
EIN 395012008 · Headquarters: Atlanta, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oly Fire Softball Inc
EIN 455415904 · Headquarters: Waynesville, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oly North Elementary Parent Teacher Organization
EIN 463735960 · Headquarters: Danvers, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oly South Pto
EIN 383832000 · Headquarters: ATLANTA, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olympia FFA Alumni & Supporters
EIN 393023643 · Headquarters: Danvers, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olympia Fields Country Club
EIN 361580550 · Headquarters: OLYMPIA FIELDS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olympia Fields Country Club Foundation
EIN 462548362 · Headquarters: Olympia Fields, IL, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Olympia Fields Country Club Historic Landmark Preservation Foundation
EIN 352585544 · Headquarters: OLYMPIA FIELDS, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olympia Foundation for Education C/o Insight Cpas & Financial Llc
EIN 371332592 · Headquarters: DECATUR, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Olympia Gardens Volunteer Fire Dept Inc
EIN 237085167 · Headquarters: CHICAGO HEIGHTS, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Olympia Progressive Baseball Assoc
EIN 371398048 · Headquarters: MINIER, IL, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Olympia School District Music Boosters
EIN 920252412 · Headquarters: Stanford, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olympia West Parent Teacher Organization
EIN 371137716 · Headquarters: Minier, IL, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Olympiacos USA Foundation
EIN 473866499 · Headquarters: NILES, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Om Affordable Housing Foundation Inc
EIN 812454866 · Headquarters: ST CHARLES, IL, US · Housing & Shelter · Latest available filing year: 2024 · 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 Partners Nfp
EIN 393019539 · Headquarters: Springfield, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Om Productions International
EIN 363093847 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Om Tat Sat Foundation Inc
EIN 384377689 · Headquarters: Bloomingdale, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Om Tribe
EIN 464587180 · Headquarters: Bloomington, IL, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Om Yogsansthan
EIN 455493581 · Headquarters: Plainfield, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omaha Masonic Lodge 723
EIN 204770175 · Headquarters: Norris City, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · 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 Alumni Association of the Delta Phi Fraternity
EIN 541452563 · Headquarters: oak brook, IL, US · Education · Latest available filing year: 2023 · 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 Community Healthcare Organization
EIN 223880152 · Headquarters: LINCOLNWOOD, IL, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Omega Delta National Fraternity
EIN 262780758 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Omega Lamplighters Chicago
EIN 392167550 · Headquarters: Springfield, IL, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Omega Medical Grants Association
EIN 270383913 · Headquarters: ROSEMONT, IL, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omega Ministry Service Centre in USA
EIN 331541247 · Headquarters: Schaumburg, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Omega Mission Olivet Ministries of End-time Gospel Advancement Inc
EIN 883305731 · Headquarters: Vernon Hills, IL, US · Religion Related · Latest available filing year: 2023 · 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 Psi Phi Fraternity
EIN 237320564 · Headquarters: Springfield, IL, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 352355083 · Headquarters: Edwardsville, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 363844231 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 460806539 · Headquarters: South Holland, IL, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 461152020 · Headquarters: Hazel Crest, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 800842369 · Headquarters: Lynwood, IL, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity 829 Chi Beta Beta Graduate Chapter
EIN 237320543 · Headquarters: Normal, IL, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Omega PSI PHI Fraternity Nu Chi Chapter
EIN 371268855 · Headquarters: East St Louis, IL, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Omega Uplift Foundation N F P
EIN 760811699 · Headquarters: chicago, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Omega Va Inc
EIN 273317024 · Headquarters: Plainfield, IL, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Omera & Nema Suleiman Foundation Nfp
EIN 991389069 · Headquarters: HUNTLEY, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omg Pickleball Club
EIN 991264199 · Headquarters: Maryville, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N