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
- Oak View Country Club
EIN 361569920 · Headquarters: ALEDO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oak View Elementary School Parent Teacher Organization
EIN 300723858 · Headquarters: Bolingbrook, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak View Pta
EIN 363605400 · Headquarters: Bolingbrook, IL, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oakbridge Development Center
EIN 332644443 · Headquarters: Granite City, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakbrook School Parent Teacher Organization Inc
EIN 273710403 · Headquarters: Wood Dale, IL, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Oakbrook Terrace Historical Society
EIN 454028712 · Headquarters: Oakbrook Terrace, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakbrook Terrace Professional Fire Fighters Association Local 4435
EIN 134298997 · Headquarters: Oakbrook Terrace, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakdale Community Development Corporation
EIN 364379636 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oakdale School Parent Teacher Organization
EIN 364178493 · Headquarters: Normal, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oaken Acres Wildlife Center
EIN 363325126 · Headquarters: SYCAMORE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakford Base Life Support
EIN 371404781 · Headquarters: Oakford, IL, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oakland 14Th Office Inc
EIN 330965574 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oakland Area Senior Citizens
EIN 371141226 · Headquarters: OAKLAND, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Cemetery Company
EIN 370444568 · Headquarters: WARSAW, IL, USA · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990
- Oakland Community Memorial Library
EIN 237222052 · Headquarters: Oakland, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Eagle Boosters
EIN 830574149 · Headquarters: Lake Villa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Landmarks Inc
EIN 311655262 · Headquarters: OAKLAND, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Ministerial Association
EIN 371403318 · Headquarters: OAKLAND, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Parent Teacher Organization
EIN 043592772 · Headquarters: Bloomington, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland Pto
EIN 352741228 · Headquarters: Oakland, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakland-hindsboro Charitable Foundation
EIN 320090848 · Headquarters: OAKLAND, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakland-pontiac Worldwide
EIN 800349228 · Headquarters: Marissa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oaklawn Cemetery Association
EIN 371372055 · Headquarters: Glen Carbon, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oaklawn Farm Historic Foundation
EIN 834574416 · Headquarters: WAYNE, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oaks of Oak Lawn Condominium Assoc
EIN 364046891 · Headquarters: Palos Heights, IL, USA · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Oakside Corporation
EIN 363166804 · Headquarters: KANKAKEE, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakton Community College Educational Foundation
EIN 362917302 · Headquarters: DES PLAINES, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakton Figure Skating Club
EIN 363711517 · Headquarters: Park Ridge, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oakton Historic District Committee
EIN 260045681 · Headquarters: Evanston, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oakwood Area Food Pantry Inc
EIN 830983506 · Headquarters: Oakwood, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakwood Cemetery Association
EIN 371080223 · Headquarters: Oakwood, IL, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oakwood Cemetery Association of LaSalle
EIN 362005579 · Headquarters: La Salle, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oakwood Cemetery Association of Metamora
EIN 376034016 · Headquarters: Metamora, IL, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oakwood Community Educational Foundation Inc
EIN 203813909 · Headquarters: Oakwood, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakwood Country Club
EIN 361570825 · Headquarters: COAL VALLEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakwood Grade School Pto
EIN 843692557 · Headquarters: Oakwood, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakwood Water Association
EIN 376048765 · Headquarters: east Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oakwood Youth Ball League
EIN 922314893 · Headquarters: Oakwood, IL, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oakwood Youth Football Inc
EIN 611419735 · Headquarters: Oakwood, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakwood Youth Soccer
EIN 812807114 · Headquarters: Oakwood, IL, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oaog Nfp
EIN 863736006 · Headquarters: VERNON HILLS, IL, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oasis Academy Foundation
EIN 352719288 · Headquarters: Park Forest, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis Community Well Association
EIN 465265463 · Headquarters: COAL VALLEY, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis Educational Foundation NFP
EIN 463110223 · Headquarters: Homewood, IL, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oasis Empowerment Zone Inc Nfp
EIN 812854360 · Headquarters: LANSING, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis for Families Foundation
EIN 861571182 · Headquarters: WESTCHESTER, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis for Orphans
EIN 203653846 · Headquarters: WHEATON, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oasis for the Visually Impaired Nfp
EIN 113707836 · Headquarters: FRANKFORT, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oasis Foundation
EIN 301265056 · Headquarters: Homewood, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis Foundation
EIN 412149901 · Headquarters: PEORIA, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oasis Foundation of Illinois
EIN 800202428 · Headquarters: Chicago, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Oasis Glc
EIN 020648940 · Headquarters: Hoffman Estates, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oasis Healing Temple Ministry
EIN 264501007 · Headquarters: Plainfield, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oasis Initiative Foundation
EIN 300780532 · Headquarters: Northbrook, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oasis International Ltd Nfp
EIN 364200033 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oasis Missions Int
EIN 205661172 · Headquarters: HARRISBURG, IL, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oasis Organization of Asian Indians at Sbc National Board
EIN 200010702 · Headquarters: Hoffman Estates, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oasis Training Center Network
EIN 300722438 · Headquarters: Chicago, IL, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oasis Womens Center
EIN 371017792 · Headquarters: ALTON, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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
- Ob-gyn Crisis Coalition
EIN 200054848 · Headquarters: Hoffman Estates, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Obadiah Browns Benevolent Fund
EIN 056016302 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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
- Obbas Way Charities
EIN 331575691 · Headquarters: Oak Lawn, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oberlin Charitable Trust C/o First Mid Wealth Management Company
EIN 364323858 · Headquarters: MATTOON, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oberweiler Foundation
EIN 364376705 · Headquarters: BARRINGTON, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Obesity Prevention Coalition
EIN 452734050 · Headquarters: Decatur, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Obh Second Chance Housing Inc Non Profit Org
EIN 841964425 · Headquarters: Homewood, IL, US · Human Services · Latest available filing year: 2025 · 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
- Objectobot Inc
EIN 392157606 · Headquarters: Northbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · 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
- Oblate Shrines and Renewal Centers Inc
EIN 522133730 · Headquarters: BELLEVILLE, 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
- Obliterate My Student Loans Inc
EIN 881696247 · Headquarters: GLEN CARBON, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oblong Antique Tractor & Engine Association Inc
EIN 371302164 · Headquarters: Oblong, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oblong Chamber of Commerce
EIN 364166290 · Headquarters: Oblong, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oblong Children's Christian Home
EIN 370921806 · Headquarters: OBLONG, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oblong Community Christian Food Pantry
EIN 371219116 · Headquarters: Oblong, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oblong Girls Summer Softball Association
EIN 933667464 · Headquarters: OBLONG, IL, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oblong High School Music Boosters
EIN 262963340 · Headquarters: OBLONG, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oblong Junior Baseball League
EIN 263448766 · Headquarters: Oblong, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oblong Lake Restoration Committee
EIN 364168489 · Headquarters: Oblong, IL, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oblong School Academic Foundation
EIN 371257681 · Headquarters: Oblong, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oblong Skate Park Association
EIN 208957085 · Headquarters: Oblong, IL, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Obrien Schools for the Maasai Nfp
EIN 204835923 · Headquarters: HINSDALE, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Obryan Cemetary
EIN 371022562 · Headquarters: Sadorus, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · 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
- Obsessed Sports Group Inc
EIN 852428012 · Headquarters: East Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Obsidian Institute of Integrative Medicine
EIN 020733517 · Headquarters: Harvey, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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
- Occupational and Environmental Health Foundation
EIN 010723600 · Headquarters: ELK GROVE VILLAGE, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Occupational Development Center Inc
EIN 370899934 · Headquarters: Bloomington, IL, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ocd Midwest
EIN 272783152 · Headquarters: Bensenville, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · 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
- Oceans Arms Co
EIN 812993945 · Headquarters: Lake Forest, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oceans Blue Corp
EIN 461119445 · Headquarters: CHAMPAIGN, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocemi Inc
EIN 363222707 · Headquarters: South Holland, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N