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
- Society for Preservation & Encourmt of Barbershop Quartet Singing Amer
EIN 470913973 · Headquarters: Sparta, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society for Preservation & Encourmt of Barbershop Quartet Singing Amer
EIN 510208181 · Headquarters: Tampico, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Society for Preservation & Encourmt of Barbershop Quartet Singing Amer
EIN 912027607 · Headquarters: Crescent City, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 362556455 · Headquarters: ROCKFORD, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 366139552 · Headquarters: Joliet, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 366142802 · Headquarters: SIDNEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 371519330 · Headquarters: Bourbonnais, IL, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 376031110 · Headquarters: Decatur, IL, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 376046846 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 900737328 · Headquarters: Makanda, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 912117167 · Headquarters: PLAINFIELD, IL, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- SOCIETY FOR PRESERVATION & ENCRGMNT OF BARBERSHOP QUARTET SINGING AMER Rockford Metro - 2Nd City Chorus
EIN 900593967 · Headquarters: Rockford, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Preservation Encourmt of Barbershop Quartet Singing Amer
EIN 370910502 · Headquarters: Alton, IL, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society for Psychoanalytic and Interdisciplinary Interventions
EIN 331653361 · Headquarters: Elmhurst, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Redox Biology and Medicine
EIN 721570152 · Headquarters: WARRENVILLE, IL, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Redox Biology and Medicine Foundation
EIN 264436442 · Headquarters: WARRENVILLE, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Social Development International Corporation Nfp
EIN 392451446 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Social Neuroscience
EIN 275068153 · Headquarters: Chicago, IL, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Social Work Leadership in Health Care
EIN 451535933 · Headquarters: Ewing, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Technical Communication
EIN 453232449 · Headquarters: Glenview, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society for Tennis Medicine & Science
EIN 460822530 · Headquarters: Oak Park, IL, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Society for the Achievement of Children's Health and Security
EIN 364177143 · Headquarters: NAPERVILLE, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for the Arts Ltd
EIN 521247160 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Historical Preservation of 22Nd N C Troops
EIN 371242863 · Headquarters: Mt Vernon, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society for the Lost Arts
EIN 472132834 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Society for the Preservation & Encouragement of Barbershop Quartet Singing
EIN 376031430 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for the Preservation of Natural C/o Field Museum
EIN 251582202 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society for the Preservaton & Encouragment Of
EIN 366124992 · Headquarters: Forreston, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Study of Christian Spirituality
EIN 454676122 · Headquarters: Riverside, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Study of Ingestive Behavior Inc
EIN 133412239 · Headquarters: Glenview, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for the Study of Male Reproduction
EIN 050471229 · Headquarters: SCHAUMBURG, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for the Study of Symbolic Interaction
EIN 391265692 · Headquarters: MACOMB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for Therapeutic and Surgical Endoscopy
EIN 814563417 · Headquarters: Downers Grove, IL, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Society for Vascular Medicine
EIN 341623552 · Headquarters: EAST DUNDEE, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Vascular Nursing
EIN 311609723 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Vascular Surgery
EIN 222990719 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Vascular Surgery Foundation
EIN 043580038 · Headquarters: ROSEMONT, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society Fraternals of Miners
EIN 370714361 · Headquarters: COELLO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society Helpers of Holy Souls
EIN 362174833 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society of Abdominal Radiology
EIN 800783088 · Headquarters: EAST DUNDEE, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Academic Bone Radiologists
EIN 262352185 · Headquarters: EAST DUNDEE, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society of Academic Urologists
EIN 020696230 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Actuaries
EIN 834526499 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Actuaries Research Institute
EIN 362136422 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of American Fight Directors
EIN 943140849 · Headquarters: Chicago, IL, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of American Foresters
EIN 521273253 · Headquarters: Goreville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Military Engineers
EIN 376046844 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of American Military Engineers
EIN 510222962 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society of American Military Engineers
EIN 521269030 · Headquarters: Glen Ellyn, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society of American Military Engineers - R I Post Attn Brad Palmer
EIN 366164995 · Headquarters: ROCK ISLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of American Military Engineers Lake Michigan Post
EIN 237429930 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of Anesthesia and Sleep Medicine
EIN 274613034 · Headquarters: LISLE, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Arab American Neighborhood Development
EIN 465412339 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Architectural Historians
EIN 202507723 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Army Physician Assistants
EIN 741964666 · Headquarters: MONMOUTH, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Society of Automotive Testers of America
EIN 366130948 · Headquarters: Bensenville, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Society of Beato Giovanni Di Caccamo
EIN 363919175 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Benign Prostate Disease
EIN 841861733 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Beta Sigma Psi Alpha Alumni Chapter
EIN 376060576 · Headquarters: SAINT CHARLES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Black Pathologists
EIN 853598796 · Headquarters: Chicago, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Bosnian and Herzegovinians
EIN 275564270 · Headquarters: FRANKLIN PARK, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Cardiovascular Anesthesiologists
EIN 720863580 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society of Chairs of Radiology Departments
EIN 870321939 · Headquarters: WARRENVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Chartered Property & Casualty Underwriters
EIN 366132391 · Headquarters: Freeport, IL, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of Chartered Property and Casualty Underwriters
EIN 376048968 · Headquarters: Bloomington, IL, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Society of Chartered Property and Casualty Underwriters Idaho Chapte
EIN 820332861 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society of Chinese American Professors and Scientists
EIN 010793693 · Headquarters: Woodridge, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Colonial Wars in the State of Illinois
EIN 366139321 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Congolese Evangelical Communities International Inc
EIN 465668372 · Headquarters: Berwyn, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Cosmetic Chemists Midwest Chapter
EIN 363371594 · Headquarters: Chicago, IL, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Critical Care Medicine
EIN 237104387 · Headquarters: MOUNT PROSPECT, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Critical Care Medicine
EIN 833693012 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Critical Care Medicine Texas Chapter
EIN 861123907 · Headquarters: MOUNT PROSPECT, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of Dermatology Nurse Practitioners
EIN 834259625 · Headquarters: WARRENVILLE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Dobrudshian
EIN 363967661 · Headquarters: Elk Grove Village, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Society of Financial Service Professionals Greater Chicago Chapter
EIN 366116647 · Headquarters: GLEN ELLYN, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society of Friends of Radgoszcz
EIN 371535267 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of Gastroenterology Nurses & Assoc Inc Group Return
EIN 912020521 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Gastroenterology Nurses & Associates Inc
EIN 510149057 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Genitourinary Reconstructive Surgeons
EIN 541389700 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Government Meeting Professionals Inc
EIN 371258541 · Headquarters: Springfield, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Society of Government Meeting Professionals Inc
EIN 521708368 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Society of Growth Inc Nfp
EIN 934539254 · Headquarters: HENRY, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Gynecologic Oncology
EIN 611657046 · Headquarters: CHICAGO, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Human Resource Professionals
EIN 363137133 · Headquarters: FLOSSMOOR, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Illinois Construction Attorneys
EIN 364449550 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Incentive Travel Merger Association
EIN 364404427 · Headquarters: Schaumburg, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society of Industrial and Office Realtors
EIN 311725163 · Headquarters: LISLE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Industrial and Office Realtors Inc - SIOR
EIN 923930131 · Headquarters: Lisle, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Infectious Diseases Phar
EIN 760338459 · Headquarters: WARRENVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Latin American Plastic Surgeons of the U S and Canada Inc
EIN 611334093 · Headquarters: CHICAGO, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Manufacturing Engineers
EIN 271183969 · Headquarters: Metamora, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Manufacturing Engineers
EIN 366157609 · Headquarters: Lyndon, IL, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society of Manufacturing Engineers
EIN 366164984 · Headquarters: Carol Stream, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Manufacturing Engineers
EIN 376033153 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Mayflower Descendants In
EIN 366051147 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Medical Aestheticians
EIN 471570738 · Headquarters: Barrington, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Society of Midland Authors
EIN 237177670 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Midwest Contesters
EIN 208963559 · Headquarters: CRESCENT CITY, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Municipal Analysts Inc
EIN 202956240 · Headquarters: SPRINGFIELD, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ