Unknown & Unclassified nonprofits in Illinois
Unknown & Unclassified nonprofits in Illinois. Browse 25,013 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
- Order of the Eastern Star of Illinois
EIN 376031283 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois
EIN 376032842 · Headquarters: Pekin, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois
EIN 376034193 · Headquarters: Medora, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois
EIN 376041430 · Headquarters: OFallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois
EIN 376043686 · Headquarters: Westfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois
EIN 376062018 · Headquarters: St Francisville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Illinois Grand Chapter
EIN 361584860 · Headquarters: MACON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Order of the White Shrine of Jerusalem
EIN 237514219 · Headquarters: Quincy, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the White Shrine of Jerusalem
EIN 237514220 · Headquarters: Pecatonica, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the White Shrine of Jerusalem
EIN 237514377 · Headquarters: Lincoln, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the White Shrine of Jerusalem
EIN 237514401 · Headquarters: Sandwich, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the White Shrine of Jerusalem
EIN 366065829 · Headquarters: Huntley, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oregon Area Chamber of Commerce
EIN 363955132 · Headquarters: OREGON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oregon Beta Chapter of Sigma Alpha Epsilon Fraternity
EIN 930802694 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oregon Golf Club
EIN 361585203 · Headquarters: Oregon, IL, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Oregon Rotary Club
EIN 366206615 · Headquarters: OREGON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oregon Schools Foundation
EIN 363530400 · Headquarters: OREGON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oregon Soccer Organization
EIN 200438539 · Headquarters: Oregon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organ Transplant Support Inc
EIN 363815056 · Headquarters: Naperville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Organics of Chicago
EIN 464554056 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Organization Development Network Chicago
EIN 364173979 · Headquarters: Tinley Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Organization For Associate Degree Nursing Inc
EIN 752129911 · Headquarters: Edwardsville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Organization of Chinese Americans Inc
EIN 521306666 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Organization of Past State Board Members of the Gfwcil
EIN 300656676 · Headquarters: Cerro Gordo, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Organizing Neighborhoods For Equality Northside
EIN 510137583 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oriana Singers
EIN 363090556 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oriole Park Baseball Association
EIN 363237521 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Orion Education Foundation
EIN 363465188 · Headquarters: Orion, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orion Fall Festival
EIN 363036238 · Headquarters: Orion, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orion Post 255 American Legion Incorporated
EIN 366207474 · Headquarters: Orion, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oris B Hastings Charitable Foundation
EIN 371105036 · Headquarters: CAIRO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oriyam Nfp
EIN 934309700 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Orland Christian Center Inc
EIN 200260343 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orland Council of Educators
EIN 363712040 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orland Firefighters Local 2754
EIN 510251030 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orland Memorial Park Cemetary
EIN 366106171 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orland Park Area Chamber of Commerce
EIN 363040306 · Headquarters: Orland Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orland Park Lions Club
EIN 362761782 · Headquarters: ORLAND PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orland Park Rotary Club
EIN 237333029 · Headquarters: Orland Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ornamental Growers Association of Northern Illinois
EIN 366108246 · Headquarters: BATAVIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orthodox Rabbinical Association
EIN 954107675 · Headquarters: PALOS PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orthopaedic Nurses Certification Board
EIN 222899594 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orthopaedic Trauma Association
EIN 680074461 · Headquarters: Schaumburg, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orthopterists' Society
EIN 382214605 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orville O Oliver Trust Bank of Pontiac Trustee
EIN 376111453 · Headquarters: PONTIAC, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Osco-savon Alumni Club Inc
EIN 363850172 · Headquarters: Lombard, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osseointegration Foundation
EIN 363773538 · Headquarters: ARLINGTON HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oswego Bears Youth Football and Cheer Nfp
EIN 451744705 · Headquarters: MONTGOMERY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oswego Chapter 2157 Women of the Moose
EIN 912000290 · Headquarters: Mooseheart, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oswegoland Fishin Fools Inc
EIN 200548222 · Headquarters: Oswego, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oswegoland Heritage Association
EIN 362867783 · Headquarters: Oswego, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Other Women Hear You
EIN 900636090 · Headquarters: chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Otis a & Margaret T Barnes Trust Xxxxx4003
EIN 846023466 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ottawa Area Chamber of Commerce and Industry
EIN 361588690 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Art League
EIN 362673617 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ottawa Avenue Cemetery Association Inc
EIN 366071938 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Concert Assoication
EIN 237163005 · Headquarters: OTTAWA, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ottawa First Nfp
EIN 273914004 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ottawa Friendship House Work Activity Center Inc
EIN 362600477 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Hiway Credit Union
EIN 362512001 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ottawa Jewish Cemetery
EIN 366052977 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ottawa Lodge 960 Loyal Order of Moose
EIN 362032536 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Regional Hospital Auxiliary
EIN 363854788 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ottawa Township High School
EIN 363914588 · Headquarters: Ottawa, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottawa Visitors Center
EIN 364082603 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ottawa Ymca Foundation
EIN 872963366 · Headquarters: Ottawa, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Otter Creek Historical Society
EIN 363253751 · Headquarters: Durand, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Otto Villwock Medical Educational Scholarship
EIN 510172011 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Our Daily Journey Support
EIN 813184529 · Headquarters: GALESBURG, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Our Lady of Angels Retirement Home
EIN 362486076 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990
- Our Lady of Fatima Prayer Group Ii North Lake Illinois Chapter
EIN 352574393 · Headquarters: Northlake, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Our Lady of Mount Carmel-st Marys School Education Foundation
EIN 371215066 · Headquarters: HERRIN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Savior's Lutheran Church
EIN 366008719 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Our Saviour Grade School Education Foundation
EIN 371347937 · Headquarters: JACKSONVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Schools Action
EIN 993154351 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Out Helping Others
EIN 812915811 · Headquarters: Homewood, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Out of Doors Foundation
EIN 261495979 · Headquarters: Lake Forest, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Out Reach Ministries Incorporate
EIN 923713011 · Headquarters: South Holland, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Outdoor Advertising Assn of IL Inc
EIN 363774198 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Outdoor Heritage Foundation of Vermilion County Illinois
EIN 371178108 · Headquarters: DANVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Outlet Dance Company
EIN 472171063 · Headquarters: Hoffman Estates, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Outreach Community Services Inc
EIN 363766481 · Headquarters: CAROL STREAM, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Over the Rainbow Association
EIN 510174945 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Overcomers Community Fellowship
EIN 874239692 · Headquarters: Shelbyville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overflow Life Foundation
EIN 394412586 · Headquarters: Bolingbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Owego Elks Charity & Christmas Xxxxx3009
EIN 156017217 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Owen L Coon Foundation
EIN 366066907 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oza Foundation
EIN 472078419 · Headquarters: CAROL STREAM, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Ozac Foundation Chicago Inc
EIN 463722624 · Headquarters: BLUE ISLAND, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ozark Swimming Inc
EIN 311012953 · Headquarters: GLEN CARBON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- P B C Parent Booster Club
EIN 510174947 · Headquarters: Alsip, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- P Hunkel Fbo Emil Hunkel Mem Tr
EIN 396277303 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- P Mackall & E E Bell Mackall Tr-prin
EIN 136794686 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- P R Organization International Limited
EIN 363982777 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- P U P S Inc
EIN 364026259 · Headquarters: Lemont, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- P23 Llc
EIN 844557029 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- P5 Strategies
EIN 853808370 · Headquarters: ST CHARLES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- PA Alpha Zeta Association of the Sigma Alpha Epsilon Fraternity
EIN 246018475 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pacific Coast Surgical Association
EIN 946089149 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Pacific Northwest Association of Rail Shippers
EIN 237090198 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990