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 of Mutual Help
EIN 363930499 · Headquarters: Addison, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of New York Hospital Trust Uw
EIN 136275362 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society of Obgyn Hospitalists
EIN 383845227 · Headquarters: EAST DUNDEE, IL, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Otorhinolaryngology & Head-neck Nurses
EIN 741992779 · Headquarters: WARRENVILLE, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Pediatric Nurses
EIN 202923004 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 203110868 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 232746248 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 260689304 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 270850410 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 300135116 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 320478865 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 330589434 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 364602998 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 391959203 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 450463561 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 462802211 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 464080245 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 465326198 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 470786933 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 472254210 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 550832135 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 561901579 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 593194219 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 611536068 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 612081406 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 680229220 · Headquarters: CHICAGO, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Pediatric Nurses
EIN 752559790 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 800183334 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 821445440 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 841448415 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 861136446 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pediatric Nurses
EIN 954846722 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Phi Zeta
EIN 376060780 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Pi Kappa Lambda
EIN 237416173 · Headquarters: Bloomington, IL, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of Pi Kappa Lambda
EIN 364018780 · Headquarters: Rock Island, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Society of Pi Kappa Lambda
EIN 510192948 · Headquarters: Edwardsville, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society of Pi Kappa Lambda
EIN 581757180 · Headquarters: DeKalb, IL, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society of Plastics Engineers
EIN 161433294 · Headquarters: Wadsworth, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Plastics Engineers
EIN 366116665 · Headquarters: PALATINE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Plastics Engineers Thermoforming Division
EIN 237283052 · Headquarters: LAKE FOREST, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Professional Journalists
EIN 237145732 · Headquarters: Evanston, IL, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society of Props Managers
EIN 863949461 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Robotic Surgery Inc
EIN 264487399 · Headquarters: EAST DUNDEE, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Saint Joseph Patron Saint of Casteldaccia
EIN 821719275 · Headquarters: chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Society of Saint Romanos the Melodist
EIN 364453248 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Saint Timothy
EIN 431828082 · Headquarters: Dorsey, IL, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul Saints Peter and Paul Conference O
EIN 593841432 · Headquarters: Naperville, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Saint Vincent De Paul St Mary Nativity Holy Cross Conferen
EIN 332934833 · Headquarters: Joliet, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Scholars of Zoroastrianism
EIN 371502954 · Headquarters: HINSDALE, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of Skeletal Radiology Inc
EIN 561214728 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of St Vincent De Paul
EIN 263301187 · Headquarters: OFALLON, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of St Vincent De Paul
EIN 264694750 · Headquarters: Columbia, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264694845 · Headquarters: Millstadt, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264763948 · Headquarters: BELLEVILLE, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764005 · Headquarters: Caseyville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764046 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764068 · Headquarters: Germantown, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764103 · Headquarters: Lebanon, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764128 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 264764160 · Headquarters: Mascoutah, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 270220404 · Headquarters: East St Louis, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 270808801 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 270812996 · Headquarters: Waterloo, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 272218935 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 272746704 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 273380976 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 274231918 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 352341134 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 370712056 · Headquarters: East Saint Louis, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of St Vincent De Paul
EIN 371397888 · Headquarters: PINCKNEYVILLE, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 383814804 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 455335349 · Headquarters: Belleville, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul
EIN 462488855 · Headquarters: BLOOMINGDALE, IL, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Society of St Vincent De Paul Holy Trinity Conference
EIN 651304851 · Headquarters: Westmoont, IL, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul Rockford Council
EIN 061640220 · Headquarters: Cherry Valley, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of St Vincent De Paul Sacred Heart Conference
EIN 271425339 · Headquarters: LOMBARD, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul St Alexander Conference
EIN 593841476 · Headquarters: Villa Park, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul St Petronille Conference
EIN 844910053 · Headquarters: Glen Ellyn, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul St Walter Parish Conference Inc
EIN 831785591 · Headquarters: ROSELLE, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul-immaculate Conception Confere
EIN 994187007 · Headquarters: Quincy, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of St Vincent De Paul-st Pius X Conference
EIN 593841484 · Headquarters: LOMBARD, IL, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Society of St Vincent Depaul - St James the Apostle Conference
EIN 272022358 · Headquarters: Glen Ellyn, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of St Vincent Depaul Archdiocese of Chicago
EIN 363195567 · Headquarters: ORLAND PARK, IL, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society of the Beloved Disciple
EIN 421658218 · Headquarters: Lisle, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of the Danube Swabians of the USA
EIN 362477890 · Headquarters: Des Plaines, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of the Friends of the John Paul Ii Foundation
EIN 363510386 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of the War of 1812 in the State of Illinois
EIN 273370453 · Headquarters: Highland, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Thoracic Radiology
EIN 521263951 · Headquarters: EAST DUNDEE, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Tribologists & Lubrication Engineers
EIN 271975477 · Headquarters: Park Ridge, IL, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 271975545 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 271975615 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 271975676 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 271975804 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 271975984 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 273568749 · Headquarters: Park Ridge, IL, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 912119634 · Headquarters: Park Ridge, IL, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Tribologists & Lubrication Engineers
EIN 912119649 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Society of Tribologists and Lubrication Engineers
EIN 362041016 · Headquarters: PARK RIDGE, IL, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Tribologists and Lubrication Engineers Chicago Section
EIN 912119632 · Headquarters: PARK RIDGE, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of Turkish American Scholars Inc
EIN 461092488 · Headquarters: Long Grove, IL, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N