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
- Operation Breakthrough
EIN 371335565 · Headquarters: Peoria, IL, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Operation Brotherhood
EIN 362825940 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Care Nfp
EIN 611533249 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Care Package Inc
EIN 331085125 · Headquarters: MANHATTAN, IL, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Operation Change Chicago
EIN 352488962 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Christmas
EIN 363090140 · Headquarters: Wheaton, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Christmas-bolingbrook
EIN 992085285 · Headquarters: PLAINFIELD, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Claus
EIN 263645103 · Headquarters: La Salle, IL, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Operation Click
EIN 202208637 · Headquarters: HOFFMAN ESTATES, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Operation Deployed Inc
EIN 844302158 · Headquarters: HINSDALE, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Development
EIN 861995109 · Headquarters: Harvey, IL, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Elf of Litchfield Il
EIN 853418688 · Headquarters: Litchfield, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Endangered Species
EIN 475627410 · Headquarters: PONTIAC, IL, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Fam Nfp
EIN 464210016 · Headquarters: Oak Park, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Family Relief
EIN 873590773 · Headquarters: Northbrook, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Firm Handshake Inc
EIN 811770673 · Headquarters: Coal City, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Flourish
EIN 392484458 · Headquarters: Lansing, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Freedom
EIN 262625578 · Headquarters: Mokena, IL, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Get It Done Inc
EIN 463069498 · Headquarters: CHICAGO, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Operation Giving Back Mission Bohol Philippines
EIN 462846556 · Headquarters: Centralia, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Green Healing Foundation Nfp
EIN 395149171 · Headquarters: Harvard, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation H E L P P Nfp Inc
EIN 203347535 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Operation Holiday Drive Nfp
EIN 832440348 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Operation Home with Honor Pow-mia Inc
EIN 902100017 · Headquarters: PARK RIDGE, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation Homefront Illinois
EIN 342021474 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990
- Operation Homelink Nfp
EIN 912186796 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Operation Honor Guard Nfp
EIN 475204497 · Headquarters: DANVILLE, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Horses and Heroes Inc
EIN 473648891 · Headquarters: Aurora, IL, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Human Spirit Nfp
EIN 873563041 · Headquarters: Maywood, IL, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Operation Humanity Inc
EIN 364434669 · Headquarters: Silvis, IL, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Operation Kindness Konnects
EIN 852083769 · Headquarters: Long Grove, IL, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Love Freeport
EIN 994349316 · Headquarters: FREEPORT, IL, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Operation Mom's Cookies Inc
EIN 061792740 · Headquarters: GARDNER, IL, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Operation Nehemiah Incorporated
EIN 273604854 · Headquarters: Mokena, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation Neighborhood Safety
EIN 871854414 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation North Pole Inc
EIN 270868752 · Headquarters: Des Plaines, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Now
EIN 371401176 · Headquarters: NORRIS CITY, IL, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Outing Inc
EIN 371123841 · Headquarters: VANDALIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Overlord
EIN 263395656 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Operation Patriot Paws
EIN 821970938 · Headquarters: Manteno, IL, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Peace Inc
EIN 812014268 · Headquarters: CHICAGO, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation Playground Inc
EIN 364284553 · Headquarters: Frankfort, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Promise Inc
EIN 462229075 · Headquarters: PERU, IL, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Rallypoint Nfp Inc
EIN 991684315 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Redwood Foundation
EIN 334983939 · Headquarters: Des Plaines, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Rescue Childcare Projects
EIN 844477286 · Headquarters: ELK GROVE VILLAGE, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Restoration Bolivia Inc
EIN 264651327 · Headquarters: GREENVILLE, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Restoration Development Center
EIN 061783636 · Headquarters: GLENWOOD, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Restoring Innocence
EIN 463975685 · Headquarters: Crestwood, IL, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Safe Celebration
EIN 812111721 · Headquarters: Wheaton, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation SAFE IncNFP
EIN 201371550 · Headquarters: Pontiac, IL, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Saturation Inc
EIN 200813055 · Headquarters: WHEATON, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Seafam Incorporated
EIN 821928750 · Headquarters: ROCKFORD, IL, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Operation Secret Santa
EIN 814312085 · Headquarters: Sullivan, IL, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation Shattered Stars Inc
EIN 475414777 · Headquarters: BOLINGBROOK, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Operation She Got Courage Foundation
EIN 861935136 · Headquarters: CHICAGO RIDGE, IL, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Shield Nfp
EIN 854343486 · Headquarters: Willowbrook, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Shining Star C/o Timothy Gilroy Us Secret Service
EIN 743069602 · Headquarters: CHICAGO, IL, USA · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Operation Snowball Inc
EIN 371236909 · Headquarters: Springfield, IL, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Spouse and Soldier Support Group
EIN 270910377 · Headquarters: Sherman, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Operation St Nicklaus Inc
EIN 363852914 · Headquarters: MORRIS, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Support Our Troops - America Inc
EIN 204275756 · Headquarters: NAPERVILLE, IL, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Sweet Life Inc
EIN 863816795 · Headquarters: West Dundee, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Sweet T
EIN 843324043 · Headquarters: ROUND LAKE BEACH, IL, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Operation Talk Inc
EIN 473099006 · Headquarters: Tinley Park, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Operation Uniquecorn Inc
EIN 852285161 · Headquarters: Jacksonville, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Up-lift Inc
EIN 362672201 · Headquarters: Maywood, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Veteran Success
EIN 934386798 · Headquarters: CHICAGO, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Walk Chicago
EIN 473148545 · Headquarters: Buffalo Grove, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Walk USA
EIN 455086428 · Headquarters: SCHAUMBURG, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Warm Fuzzy Nfp
EIN 871564425 · Headquarters: Decatur, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Warrior Watch Inc Nfp
EIN 260883414 · Headquarters: Urbana, IL, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Operation Warrior Wishes
EIN 462058667 · Headquarters: ST CHARLES, IL, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Welcome Homes Inc
EIN 611503797 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Operation Welcome You Home Nfp
EIN 273092485 · Headquarters: NAPERVILLE, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Young Santa
EIN 994336910 · Headquarters: Chicago, IL, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operations Technology Development Nfp
EIN 331061445 · Headquarters: Des Plaines, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operative Plasterers & Cement Mason International International
EIN 363728023 · Headquarters: Woodstock, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operative Plasterers & Cement Masons
EIN 362476560 · Headquarters: VILLA PARK, IL, USA · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990
- Operative Plasterers & Cement Masons Loc
EIN 370448243 · Headquarters: TROY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operative Plasterers & Cement Masons Local 18
EIN 371355734 · Headquarters: PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operative Plasterers and Cement Masons Local #143
EIN 370447883 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operative Plasterers' & Cement Masons'
EIN 237307587 · Headquarters: PEORIA, IL, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990
- Opernfest Prague
EIN 823660159 · Headquarters: Glencoe, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opertaion Care Bears
EIN 203188266 · Headquarters: Ullin, IL, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Opeyemi Philanthropic Organization Nfp
EIN 834189736 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ophira Ben-arieh Foundation for Modern Israell Literature
EIN 320433902 · Headquarters: Highland Park, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ophiuchus
EIN 462937031 · Headquarters: wilmette, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opm Education Inc
EIN 272884718 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990
- Oppenheimer&haas Xxxxx1004
EIN 136013101 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oppo Boat & Ski Club
EIN 366116678 · Headquarters: palos park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opportunities for Access
EIN 371272207 · Headquarters: MT VERNON, IL, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunities for All Inc Nfp
EIN 453811592 · Headquarters: Oak Lawn, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opportunity Alliance of Illinois Inc
EIN 262573520 · Headquarters: AURORA, IL, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990
- Opportunity Dekalb Inc
EIN 842943441 · Headquarters: DeKalb, IL, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Granted Inc
EIN 832915226 · Headquarters: KENILWORTH, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opportunity Hall
EIN 883918799 · Headquarters: DANVILLE, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity House Inc
EIN 362476231 · Headquarters: SYCAMORE, IL, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Inc
EIN 611748401 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity International
EIN 540907624 · Headquarters: Carol Stream, Illinois, United States · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990