Community Improvement & Capacity Building nonprofits in Illinois
Community Improvement & Capacity Building nonprofits in Illinois. Browse 4,599 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
- Norwood Park Chamber of Commerce
EIN 362952065 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Not-For-Profit Resources Inc
EIN 271235653 · Headquarters: McHenry, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Nurses Organization of Veteran Affairs 180 Nova Chapter Nurses Of
EIN 814587952 · Headquarters: Danville, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Nw Community Service Nfp
EIN 921332564 · Headquarters: HANOVER PARK, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- O U R S Community Services Nfp
EIN 990461330 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Forest Rotary Foundation
EIN 833192809 · Headquarters: OAK FOREST, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oak Park Ideas Worth Spreading
EIN 830953881 · Headquarters: Oak Park, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Terrace Improvement Association
EIN 362899155 · Headquarters: Mundelein, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · 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
- Oakland 14Th Office Inc
EIN 330965574 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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
- Oasis Foundation
EIN 412149901 · Headquarters: PEORIA, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · 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
- Obudu Network
EIN 331695949 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Off the Grid
EIN 352541944 · Headquarters: Evanston, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ogle County Beef Association
EIN 364285856 · Headquarters: FORRESTON, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ogles Watch Neighborhood Association
EIN 471513507 · Headquarters: Belleville, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Betterment Committee Nfp
EIN 393637288 · Headquarters: Ohio, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Coin Laundry Association
EIN 203143123 · Headquarters: Oakbrook Terrace, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ohio Quisecentennial Corporation
EIN 421532335 · Headquarters: Ohio, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio River Region Society of Endocrinologists Inc
EIN 208498169 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ohio River Scenic Byway Inc Nfp
EIN 352217677 · Headquarters: ROSICLARE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma State Urological Association
EIN 912066489 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Okodwela NFP
EIN 833580338 · Headquarters: Glenview, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Wicker Park Committee
EIN 362952928 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olde Towne Historic District
EIN 371320749 · Headquarters: Peoria, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Older Womens League
EIN 363705107 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Older Womens League
EIN 364174922 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Olive Branch Area Comm Dev Corp
EIN 460926274 · Headquarters: Olive Branch, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Olivette Park Esl Community Development Corporation
EIN 853780202 · Headquarters: East Sant Louis, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Olivette Park Neighborhood Association
EIN 371361421 · Headquarters: East St Louis, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Olney Lions Club Foundation Inc
EIN 364177600 · Headquarters: Olney, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- One Accord Community Development Corporation
EIN 320238400 · Headquarters: Springfield, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- One Hellas Ellas Foundation
EIN 300774179 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Hope United
EIN 471311667 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One in a Million Inc.
EIN 371354838 · Headquarters: Springfield, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- One Level Nfp C/o John Russell
EIN 852423791 · Headquarters: DECATUR, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Million Small Startups Incorporated
EIN 881253404 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- One Springfield Ltd
EIN 845073313 · Headquarters: Springfield, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One United Community Inc
EIN 991506366 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onechicagofund
EIN 454661737 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oneness Run
EIN 874116575 · Headquarters: LAKE ZURICH, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Onlight Aurora
EIN 454613601 · Headquarters: AURORA, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Weathers Lab Nfp
EIN 815178520 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Openict Foundation
EIN 263367868 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · 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
- 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
- Opportunity Transformation Investments Inc
EIN 364382506 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Optimist Club of Belleville Foundation
EIN 811724159 · Headquarters: BELLEVILLE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Optimist International
EIN 362652416 · Headquarters: MILAN, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Optimist International
EIN 370815049 · Headquarters: Havana, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Options for Austin Foundation Corporation
EIN 842945184 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optwell
EIN 332618691 · Headquarters: Countryside, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orchid 3Rd Union College Neighborhood Association Inc
EIN 300391954 · Headquarters: Rockford, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Order of Solomon Inc
EIN 992930000 · Headquarters: HARVEY, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oregon Development Association Inc
EIN 362545066 · Headquarters: oregon, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Organic Reactions Catalysis Society Inc
EIN 452319614 · Headquarters: Dalton City, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Organization for Business Equality
EIN 800422319 · Headquarters: Park Forest, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oromo Community Association of Chicago
EIN 020653792 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Orthodontic Alumni Association of Illinois
EIN 363095705 · Headquarters: LIBERTYVILLE, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oswego Area Chamber of Commerce
EIN 363712848 · Headquarters: OSWEGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oswego Downtown Association Nfp
EIN 823008550 · Headquarters: Oswego, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oswego Economic Development Corp
EIN 364056140 · Headquarters: OSWEGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990
- Ottawa Chapter 522 Women of the Moose
EIN 237301219 · Headquarters: Ottawa, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ottawa Chapter of Illinois Association of Highway Engineers
EIN 366108247 · Headquarters: Ottawa, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ottawa Downtown Association Inc
EIN 993140651 · Headquarters: OTTAWA, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ottawa Kiwanis Foundation Nfp
EIN 475206350 · Headquarters: Ottawa, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ottawa Police Benevolent & Protecti
EIN 050532283 · Headquarters: OTTAWA, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Our Lady of the Rosary Council 8214
EIN 363330647 · Headquarters: Round Lake, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Our Neighborhoods Empowered
EIN 824404640 · Headquarters: ELGIN, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Out for Love and Peace
EIN 993178431 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outdare Community Outreach
EIN 843058896 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Outreach Christian Community Development
EIN 030589352 · Headquarters: HARVEY, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Over Innovation of Inertia
EIN 463303145 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Over the Bridge Ministry
EIN 300794471 · Headquarters: Brookport, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Over the Rainbow Ministries
EIN 824890077 · Headquarters: GEORGETOWN, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- P & F Community Services
EIN 883070788 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- P G Porter Lodge
EIN 452214129 · Headquarters: Belleville, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- P Michael Mahoney Chapter Federal Bar Association
EIN 473239597 · Headquarters: Rockford, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- P33
EIN 832851368 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pace Foundation
EIN 371391994 · Headquarters: Peoria, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Painters Afl-cio Local Union 502
EIN 361593315 · Headquarters: ROCK ISLAND, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990
- Pal-waukee Airport Pilots Association
EIN 363579868 · Headquarters: Wheeling, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Palatine Womens Club
EIN 366118418 · Headquarters: PALATINE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Palestine Chamber of Commerce
EIN 376047535 · Headquarters: PALESTINE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Palestine Development Association
EIN 371398957 · Headquarters: Palestine, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Palm Terrace Investment Group LLC C/O LaSalle Investment Management
EIN 205318883 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990
- Palos Area Chamber of Commerce
EIN 363686161 · Headquarters: PALOS HEIGHTS, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Palos Park Womans Club
EIN 366620727 · Headquarters: Palos Park, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pana Chamber of Commerce
EIN 376047315 · Headquarters: Pana, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Pana Historical Society
EIN 881022915 · Headquarters: PANA, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pana Labor Day Parade Committee
EIN 994453627 · Headquarters: Pana, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pana Pride Inc
EIN 811233511 · Headquarters: Pana, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Panacea Academy
EIN 271671123 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Paper and Plastics Education Research Foundation Inc
EIN 112791835 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Parallel Play Chicago Inc
EIN 993386934 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paratus Inc Nfp
EIN 920241877 · Headquarters: Hoffman Estates, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Parc Huron Apartments Llc C/o Heitman Llc
EIN 800794403 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parent & Community Technology and Law Center
EIN 262931453 · Headquarters: Hazel Crest, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parents Against School Shootings in Our Nation Nfp
EIN 933739337 · Headquarters: ROCK ISLAND, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N