Data / Nonprofits / Illinois / Community improvement and capacity building
Community improvement and capacity building nonprofits in Illinois: 2,820 registered with the IRS
2,820 community improvement and capacity building nonprofits are registered with the IRS in Illinois, 1,738 of them 501(c)(3) charities; the 1,136 that report revenue took in $2.24 billion. The most are in Chicago (961), Springfield (78), Rockford (57). The largest by revenue: Community and Economic Development Association of Cook County Inc ($168.1 million), International Code Council Inc ($109.9 million), National Association for the Exchange of Industrial Resources I ($103.6 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Community and Economic Development Association of Cook County Inc | Chicago | 501(c)(3) | 1966 | $168.1 million | $45.2 million | 2025-06 |
| International Code Council Inc | Cntry CLB HLS | 501(c)(6) | 2001 | $109.9 million | $201 million | 2024-12 |
| National Association for the Exchange of Industrial Resources I | Galesburg | 501(c)(3) | 1977 | $103.6 million | $127 million | 2025-06 |
| Development Now for Chicago | Chicago | 501(c)(6) | 2022 | $81.5 million | $9 million | 2024-11 |
| American Property Casualty Insurance Association | Chicago | 501(c)(6) | 2005 | $77.8 million | $181.6 million | 2024-12 |
| Healthcare Information and Management Systems Society | Chicago | 501(c)(6) | 2001 | $74.5 million | $22.9 million | 2022-12 |
| Society of Actuaries Professional Association | Chicago | 501(c)(6) | 2019 | $68.3 million | $88.9 million | 2024-12 |
| Iff | Chicago | 501(c)(3) | 1990 | $62.5 million | $828.3 million | 2025-12 |
| Chicago Community Loan Fund | Chicago | 501(c)(3) | 1991 | $32.7 million | $216 million | 2025-12 |
| Midway Airlines Terminal Consortium | Chicago | 501(c)(6) | 1999 | $30.6 million | $3.6 million | 2024-12 |
| Southwest Organizing Project | Chicago | 501(c)(3) | 1996 | $28.7 million | $25.4 million | 2025-06 |
| Trust Evergreen Park Corp | Chicago | 501(c)(25) | 2008 | $27.3 million | $871,827 | 2025-06 |
| American Association of Orthopaedic Surgeons of America | Rosemont | 501(c)(6) | 2000 | $25.9 million | $21.4 million | 2024-12 |
| Chinese American Service League Inc | Chicago | 501(c)(3) | 1979 | $24.7 million | $21 million | 2025-06 |
| North Lawndale Initiative Support Inc | Chicago | 501(c)(3) | 2024 | $24.2 million | $46.8 million | 2024-12 |
| American College of Surgeons Professional Association | Chicago | 501(c)(6) | 2002 | $24.1 million | $12.2 million | 2025-06 |
| National Board of Certification and Recert of Nurse Anesthetists | Chicago | 501(c)(6) | 2009 | $20.8 million | $48.2 million | 2024-12 |
| International Accreditation Service Inc | Cntry CLB HLS | 501(c)(4) | 2004 | $20.6 million | $48.5 million | 2024-12 |
| Embarras River Basin Agency Inc | Greenup | 501(c)(3) | 1967 | $20.2 million | $4 million | 2025-06 |
| American Planning Association | Chicago | 501(c)(3) | 1983 | $19.9 million | $35 million | 2025-09 |
| Tri-County Opportunities Council | Rock Falls | 501(c)(3) | 1966 | $19.4 million | $4.3 million | 2025-12 |
| Mhub Support Corporation | Chicago | 501(c)(3) | 2023 | $19.3 million | $68.7 million | 2024-12 |
| Inner-City Muslim Action Network | Chicago | 501(c)(3) | 1999 | $18.5 million | $18.3 million | 2024-12 |
| LCN Title Holding Corporation NFP | Chicago | 501(c)(2) | 2020 | $18.5 million | $16.2 million | 2024-12 |
| American Marketing Association Inc | Chicago | 501(c)(3) | 1992 | $16.8 million | $11.8 million | 2025-06 |
| Financial Health Network Inc | Chicago | 501(c)(3) | 2006 | $15.7 million | $22.8 million | 2024-12 |
| International Legal Technology | Chicago | 501(c)(6) | 2014 | $15.1 million | $18.4 million | 2024-12 |
| Institute of Real Estate Management of the Natl Association of Realtors | Chicago | 501(c)(6) | 1976 | $14.4 million | $12.5 million | 2025-12 |
| Operations Technology Development NFP | Des Plaines | 501(c)(6) | 2003 | $14.2 million | $20.1 million | 2024-12 |
| Alliance of Local Service Organizations | Chicago | 501(c)(3) | 1999 | $13.9 million | $9.4 million | 2025-12 |
| Metals Service Center Institute | Rolling MDWS | 501(c)(6) | 1964 | $13.6 million | $31.9 million | 2024-12 |
| American Association of Endodontists | Chicago | 501(c)(6) | 2011 | $13.5 million | $20 million | 2025-06 |
| Ccim Institute | Chicago | 501(c)(6) | 1999 | $13.2 million | $22.1 million | 2025-12 |
| Will County Center for Community Concerns Inc | Joliet | 501(c)(3) | 1996 | $12.8 million | $2.7 million | 2025-12 |
| Peoples Action Institute | Chicago | 501(c)(3) | 1973 | $12.8 million | $24.9 million | 2024-12 |
| Brighton Park Neighborhood Council | Chicago | 501(c)(3) | 1998 | $12.3 million | $7 million | 2024-12 |
| BCMW Community Services | Centralia | 501(c)(3) | 1967 | $12.1 million | $2.4 million | 2025-06 |
| I Car Education Foundation | Hoffman Est | 501(c)(3) | 1991 | $11.9 million | $5.7 million | 2025-12 |
| American Academy of Pediatric Dentistry | Chicago | 501(c)(6) | 2012 | $11.6 million | $14.7 million | 2025-06 |
| The Project of the Quad Cities | Moline | 501(c)(3) | 1992 | $11.3 million | $4.2 million | 2025-03 |
| Chicago Dental Society | Chicago | 501(c)(6) | 1935 | $11.3 million | $39.8 million | 2024-12 |
| Enlace Chicago | Chicago | 501(c)(3) | 1999 | $11.1 million | $10.5 million | 2025-06 |
| Metropolitan Mayors Caucus | Chicago | 501(c)(6) | 2002 | $10 million | $1.1 million | 2025-08 |
| World Business Chicago | Chicago | 501(c)(3) | 2000 | $9.8 million | $12.1 million | 2024-12 |
| MDRT Academy | Park Ridge | 501(c)(6) | 2017 | $9.7 million | $299,943 | 2024-12 |
| Choose Chicago Foundation | Chicago | 501(c)(3) | 2013 | $9.2 million | $782,051 | 2024-12 |
| Association of Physicians of Pakistani-Descent of North America | Westmont | 501(c)(3) | 2024 | $9.2 million | $10.2 million | 2024-12 |
| Together Chicago Inc | Chicago | 501(c)(3) | 2018 | $9.1 million | $6.2 million | 2025-06 |
| Chicago Automobile Trade Association | Oakbrook Ter | 501(c)(6) | 1940 | $8.7 million | $10.7 million | 2025-06 |
| Greater Auburn Gresham Development Corporation | Chicago | 501(c)(3) | 2001 | $8.7 million | $25.9 million | 2024-12 |
| Residential Real Estate Council | Chicago | 501(c)(6) | 2004 | $8.6 million | $22.6 million | 2024-12 |
| Large Urology Group Practice Association | Chicago | 501(c)(6) | 2009 | $8.4 million | $10.4 million | 2024-12 |
| National Community Investment Fund Irrv Trust | Chicago | 501(c)(4) | 1996 | $8.2 million | $79.2 million | 2024-12 |
| Illinois Business and Economic Development Corporation | Chicago | 501(c)(3) | 2016 | $8.2 million | $4.9 million | 2025-06 |
| Somercor 504 Inc | Chicago | 501(c)(3) | 2024 | $8.1 million | $6.2 million | 2025-09 |
| Allies for Community Business Inc | Chicago | 501(c)(3) | 1995 | $8 million | $41.6 million | 2025-12 |
| St Clair County Community Action Agency | Belleville | 501(c)(3) | 1992 | $7.8 million | $524,055 | 2024-12 |
| Sinai Community Institute Inc | Chicago | 501(c)(3) | 1994 | $7.8 million | $7.8 million | 2025-06 |
| Ipers Creekside Inc | Chicago | 501(c)(25) | 2008 | $7.4 million | $105.1 million | 2026-06 |
| Chicago Neighborhood Initiatives Inc | Chicago | 501(c)(3) | 2010 | $7.3 million | $19.5 million | 2025-06 |
| Great Rivers & Routes Tourism Bureau | Alton | 501(c)(6) | 2003 | $7.1 million | $4.5 million | 2025-06 |
| Health Care Council of Illinois | Springfield | 501(c)(6) | 2009 | $7.1 million | $3.2 million | 2024-12 |
| Project Hood Communities | Chicago | 501(c)(3) | 2013 | $6.9 million | $29.1 million | 2024-12 |
| Engine Manufacturers Association | Chicago | 501(c)(6) | 1947 | $6.9 million | $11.6 million | 2025-12 |
| Lansdowne Up | E Saint Louis | 501(c)(3) | 2022 | $6.6 million | $13.3 million | 2025-12 |
| Ipers Brea Golden State Business Parks Inc A Delaware Corporation | Chicago | 501(c)(25) | 1997 | $6.5 million | $93.3 million | 2026-06 |
| Utilization Technology Development NFP | Des Plaines | 501(c)(6) | 2006 | $6.4 million | $9.3 million | 2025-03 |
| Gads Hill Support Corporation | Chicago | 501(c)(3) | 2018 | $6 million | $4.9 million | 2025-06 |
| Global Dairy Platform Inc | Rosemont | 501(c)(6) | 2012 | $6 million | $1.4 million | 2024-12 |
| Stepping Stones Inc | Joliet | 501(c)(3) | 1992 | $6 million | $10.7 million | 2025-06 |
| National Workers Compensation Reinsurance Assocation NFP | Chicago | 501(c)(6) | 2009 | $5.9 million | $1.2 million | 2024-12 |
| Metropolitan Planning Council | Chicago | 501(c)(3) | 1943 | $5.9 million | $19 million | 2024-12 |
| Teamwork Englewood | Chicago | 501(c)(3) | 2004 | $5.8 million | $3.5 million | 2024-12 |
| P33 | Chicago | 501(c)(3) | 2019 | $5.8 million | $13.2 million | 2025-06 |
| American Board of Pediatric Dentistry Inc | Chicago | 501(c)(6) | 2013 | $5.7 million | $22.9 million | 2024-12 |
| Ipers Sequoia Commerce Center Inc | Chicago | 501(c)(25) | 2001 | $5.7 million | $74.7 million | 2026-06 |
| Chicagos North Shore Convention & Visitors Bureau | Skokie | 501(c)(6) | 2005 | $5.6 million | $2.2 million | 2025-06 |
| Logan Square Neighborhood Assoc Inc | Chicago | 501(c)(3) | 1977 | $5.6 million | $3.9 million | 2025-06 |
| United Power for Action & Justice Inc | Chicago | 501(c)(3) | 1998 | $5.6 million | $2.1 million | 2024-12 |
| American Osteopathic Infromation Association | Chicago | 501(c)(6) | 2000 | $5.3 million | $19.9 million | 2025-05 |
| Society of Incentive and Travel Executives Inc | Chicago | 501(c)(6) | 2003 | $5.2 million | $2.8 million | 2024-12 |
| Far South CDC | Chicago | 501(c)(3) | 1980 | $5.1 million | $13 million | 2025-12 |
| Ipers Villas On Guadalupe-Tx Inc | Chicago | 501(c)(25) | 2008 | $5 million | $50.7 million | 2026-06 |
| Urgent Care Association NFP | Batavia | 501(c)(6) | 2005 | $5 million | $4 million | 2024-12 |
| SDC Clifton Commons Inc | Chicago | 501(c)(25) | 2002 | $5 million | $51.8 million | 2025-12 |
| Highlands 501C 25 Inc | Chicago | 501(c)(25) | 2008 | $4.9 million | $49 million | 2025-12 |
| Kukui Grove Center Investment Group Inc | Chicago | 501(c)(25) | 2007 | $4.8 million | $112 million | 2024-12 |
| Ipers 510 Marquette Inc | Chicago | 501(c)(25) | 2020 | $4.8 million | $23.1 million | 2026-06 |
| Financial & Insurance Conference Professionals | Chicago | 501(c)(6) | 2007 | $4.8 million | $7 million | 2025-12 |
| North American Neuromodulation Merger Corporation | Chicago | 501(c)(6) | 2013 | $4.7 million | $8.1 million | 2025-06 |
| Oakland 14TH Office Inc | Chicago | 501(c)(25) | 2002 | $4.6 million | $26.2 million | 2025-12 |
| North American Association of Central Cancer Registries Inc | Springfield | 501(c)(3) | 1994 | $4.6 million | $3.5 million | 2025-05 |
| Kankakee County Community Services Inc | Kankakee | 501(c)(3) | 1987 | $4.4 million | $1.3 million | 2024-12 |
| Chicagoland Entrepreneurial Center | Chicago | 501(c)(3) | 2007 | $4.4 million | $2.5 million | 2025-06 |
| Fulton County Emergency Medical Association Inc | Canton | 501(c)(3) | 1991 | $4.3 million | $3.5 million | 2025-06 |
| Chicagos Sunshine Enterprises Inc | Chicago | 501(c)(3) | 2019 | $4.2 million | $9.4 million | 2024-12 |
| The Magnificent Mile Association | Chicago | 501(c)(6) | 2021 | $4.2 million | $2.2 million | 2024-12 |
| Logs Employee Benefit Trust Welfare Benefit Plan | Bannockburn | 501(c)(9) | 2014 | $4.1 million | $1.3 million | 2024-12 |
| Trust Parkside Towers Corp | Chicago | 501(c)(25) | 2014 | $4.1 million | $180.6 million | 2025-06 |
| Seize the Future Development Foundation | Aurora | 501(c)(3) | 2007 | $4 million | $2.2 million | 2024-12 |
| Cornerstone Community Outreach | Chicago | 501(c)(3) | 1975 | $4 million | $2.5 million | 2024-12 |
| Kenwood-Oakland Community Organization | Chicago | 501(c)(3) | 1968 | $3.9 million | $5 million | 2025-06 |
| North Austin Community Center | Chicago | 501(c)(3) | 2021 | $3.9 million | $56.2 million | 2025-06 |
| Lawndale Christian Development Corporation | Chicago | 501(c)(3) | 2018 | $3.8 million | $42.6 million | 2025-12 |
| Conscience Community Network LLC | Chicago | 501(c)(3) | 2016 | $3.7 million | $2.1 million | 2025-06 |
| Neighborspace | Chicago | 501(c)(3) | 1997 | $3.7 million | $9 million | 2024-12 |
| Share Association | Chicago | 501(c)(6) | 2017 | $3.7 million | $6.6 million | 2024-12 |
| Sdco 45 Milk Street Office Inc | Chicago | 501(c)(25) | 2015 | $3.7 million | $13.6 million | 2025-12 |
| Fifth Street Renaissance | Springfield | 501(c)(3) | 1980 | $3.6 million | $4 million | 2025-06 |
| American College of Prosthodontists | Rosemont | 501(c)(6) | 2009 | $3.6 million | $7 million | 2024-12 |
| National Association of the Remodeling Industry | Des Plaines | 501(c)(6) | 1959 | $3.5 million | $10.8 million | 2025-06 |
| MDRT Global Services | Park Ridge | 501(c)(6) | 2023 | $3.5 million | $306,651 | 2024-12 |
| Parc Huron Apartments LLC | Chicago | 501(c)(25) | 2013 | $3.4 million | $104 million | 2024-12 |
| Sdco 405 Business Park Bothell Inc | Chicago | 501(c)(25) | 2006 | $3.4 million | $51.6 million | 2025-12 |
| United Parent Leaders Action Network | Chicago | 501(c)(3) | 2024 | $3.4 million | $3.4 million | 2025-09 |
| Greater Southwest Development Corporation | Chicago | 501(c)(3) | 1977 | $3.4 million | $17.2 million | 2024-12 |
| Financial Services Stakeholder Project | Chicago | 501(c)(3) | 2017 | $3.3 million | $4.6 million | 2024-12 |
| North American Wholesale Lumber Association Inc | Chicago | 501(c)(6) | 1974 | $3.3 million | $5.5 million | 2025-12 |
| Coin Laundry Association | Oakbrook Ter | 501(c)(6) | 1962 | $3.2 million | $5.1 million | 2025-12 |
| Community Development Institute | Chicago | 501(c)(3) | 1997 | $3.2 million | $2 million | 2025-06 |
| Community Organizing and Family Issues | Chicago | 501(c)(3) | 1996 | $3.2 million | $5.5 million | 2025-09 |
| Experimental Station | Chicago | 501(c)(3) | 2004 | $3.1 million | $1.6 million | 2024-12 |
| Trust Preserve Corp | Chicago | 501(c)(25) | 2014 | $3 million | $160.9 million | 2025-06 |
| American Dental Society of Anesthesiology Inc | Chicago | 501(c)(6) | 2025 | $3 million | $1.8 million | 2025-06 |
| Ipers Market at Parmer Inc | Chicago | 501(c)(25) | 2019 | $3 million | $44.9 million | 2026-06 |
| Jcpe Investments N F P | Peoria | 501(c)(2) | 2002 | $3 million | $73.8 million | 2025-03 |
| Community Hope Center | Cottage Hills | 501(c)(3) | 1989 | $2.9 million | $985,687 | 2025-12 |
| Metropolitan Housing Development Corporation | Chicago | 501(c)(3) | 1995 | $2.8 million | $5.3 million | 2025-12 |
| Maafa Redemption Project | Chicago | 501(c)(3) | 2019 | $2.8 million | $2.2 million | 2024-12 |
| Ipers Coral Landings Shopping Center Inc A Delaware Corp | Chicago | 501(c)(25) | 1998 | $2.7 million | $36.7 million | 2026-06 |
| Chatham Business Association Small Business Development Inc | Chicago | 501(c)(6) | 1999 | $2.7 million | $2.4 million | 2024-12 |
| Delta Institute | Chicago | 501(c)(3) | 1998 | $2.7 million | $8.3 million | 2025-06 |
| Ame3 | Chicago | 501(c)(3) | 2025 | $2.7 million | $653,892 | 2024-12 |
| Neighborhood House Association | Peoria | 501(c)(3) | 1945 | $2.7 million | $3.6 million | 2025-06 |
| Real Estate Business Institute | Chicago | 501(c)(6) | 2004 | $2.7 million | $1.4 million | 2024-12 |
| Ampt Advancing Nonprofits | Chicago | 501(c)(3) | 2023 | $2.7 million | $3.2 million | 2025-12 |
| Pera 7825 Fay Avenue Inc | Chicago | 501(c)(25) | 2023 | $2.7 million | $32 million | 2022-12 |
| Chicago Minority Supplier Development Council Inc | Chicago | 501(c)(3) | 1976 | $2.7 million | $1.9 million | 2024-12 |
| Illinois Science and Technology Coalition | Chicago | 501(c)(6) | 2009 | $2.6 million | $379,335 | 2025-06 |
| Chicago Cares Inc | Chicago | 501(c)(3) | 1991 | $2.6 million | $3.4 million | 2025-12 |
| Sdco Lagrange Crossing Inc | Chicago | 501(c)(25) | 2014 | $2.6 million | $23.2 million | 2025-12 |
| Thornton Township Foundation Inc | South Holland | 501(c)(3) | 2016 | $2.6 million | $120,386 | 2025-06 |
| Dekalb County Community Gardens NFP | Dekalb | 501(c)(3) | 2014 | $2.5 million | $2.4 million | 2025-12 |
| Colorado 277 Building F | Chicago | 501(c)(25) | 2023 | $2.5 million | $31.2 million | 2023-12 |
| Community Desk Chicago | Chicago | 501(c)(3) | 2023 | $2.5 million | $3.3 million | 2025-12 |
| Greater Galena Marketing Inc | Galena | 501(c)(6) | 2009 | $2.4 million | $1.7 million | 2025-06 |
| Counselors of Real Estate | Chicago | 501(c)(6) | 1956 | $2.4 million | $3.2 million | 2024-12 |
| Ipers Venue On Guadalupe Inc | Chicago | 501(c)(25) | 2013 | $2.4 million | $23.9 million | 2026-06 |
| Berwyn Development Corporation | Berwyn | 501(c)(3) | 1988 | $2.4 million | $2.8 million | 2025-12 |
| Specialty Tools and Fasteners DSTRBTRS Association Inc | Springfield | 501(c)(6) | 1978 | $2.4 million | $4 million | 2024-12 |
| Hispanic It Executive Council | Chicago | 501(c)(6) | 2009 | $2.3 million | $2.4 million | 2024-12 |
| Moline Foundation | Moline | 501(c)(3) | 2012 | $2.3 million | $26.5 million | 2025-09 |
| South Suburban Mayors & Managers Association | E Hazel Crest | 501(c)(3) | 2018 | $2.3 million | $5.7 million | 2025-12 |
| North River Commission | Chicago | 501(c)(3) | 1964 | $2.3 million | $10.9 million | 2024-12 |
| International Ground Source Heat Pump Association | Springfield | 501(c)(6) | 2022 | $2.2 million | $515,094 | 2025-12 |
| Illinois Association of Medicaid Health Plans | Springfield | 501(c)(6) | 2017 | $2.2 million | $1.9 million | 2025-12 |
| Sdco 2121 Belmont Inc | Chicago | 501(c)(25) | 2015 | $2.2 million | $1 million | 2025-12 |
| Ipers Harbor Commerce Center Inc | Chicago | 501(c)(25) | 2007 | $2.1 million | $39.7 million | 2026-06 |
| Peoples Action | Chicago | 501(c)(4) | 2009 | $2.1 million | $3.2 million | 2024-12 |
| International Formula Council | Chicago | 501(c)(6) | 2000 | $2.1 million | $1.3 million | 2024-12 |
| Association for Manufacturing Excellence Ame | Rolling MDWS | 501(c)(3) | 1985 | $2.1 million | $3.3 million | 2025-09 |
| Helping Our People Excel Community Development Corporation | Chicago | 501(c)(3) | 2014 | $2.1 million | $316,989 | 2024-12 |
| Cimro | Champaign | 501(c)(6) | 2003 | $2.1 million | $7.6 million | 2025-12 |
| Embrace Living Communities | Oak Brook | 501(c)(3) | 1988 | $2.1 million | $2.7 million | 2024-12 |
| Smacna Greater Chicago | Oak Brook | 501(c)(6) | 2015 | $2 million | $2 million | 2025-06 |
| City Club of Chicago | Chicago | 501(c)(3) | 1944 | $2 million | $172,474 | 2024-12 |
| South Shore Chamber Community Development Corporation | Chicago | 501(c)(3) | 1999 | $2 million | $2.4 million | 2024-12 |
| Turfgrass Producers International | East Dundee | 501(c)(6) | 2017 | $1.9 million | $1.6 million | 2024-12 |
| Capitalplus Exchange Corporation | Skokie | 501(c)(3) | 2004 | $1.9 million | $6.5 million | 2024-12 |
| The American Venous Forum Foundation | East Dundee | 501(c)(3) | 2015 | $1.9 million | $3.8 million | 2024-12 |
| Nehemiah Group | Chicago | 501(c)(3) | 2015 | $1.9 million | $2.1 million | 2025-12 |
| HCS Family Services | Hinsdale | 501(c)(3) | 1938 | $1.9 million | $2.8 million | 2025-06 |
| Laborers Home Development Corporation | S Jacksonvle | 501(c)(4) | 2001 | $1.9 million | $18.2 million | 2024-12 |
| International Union of Operating Engineers Loc 399 Building Corp II | Chicago | 501(c)(2) | 2014 | $1.9 million | $12.3 million | 2025-06 |
| Community Foundation of Will County | Frankfort | 501(c)(3) | 2006 | $1.9 million | $11.2 million | 2025-09 |
| Trend Community Development Corporation | Chicago | 501(c)(3) | 2019 | $1.8 million | $10 million | 2024-12 |
| Isaca Foundation | Schaumburg | 501(c)(3) | 2020 | $1.8 million | $3.5 million | 2024-12 |
| 1808 Eye Street Inc | Chicago | 501(c)(25) | 2023 | $1.8 million | $13 million | 2022-12 |
| Peoria Friendship House of Christian Service | Peoria | 501(c)(3) | 1953 | $1.8 million | $2 million | 2025-06 |
| Casting Society of America | Chicago | 501(c)(6) | 2006 | $1.8 million | $1.5 million | 2025-06 |
| Midwest Community Real Estate Corporation | New Lenox | 501(c)(3) | 1987 | $1.8 million | $38.9 million | 2025-09 |
| Trust Boulevard Corp | Chicago | 501(c)(25) | 2014 | $1.8 million | $126.3 million | 2025-06 |
| Urban Juncture Foundation | Chicago | 501(c)(3) | 2014 | $1.7 million | $2.8 million | 2024-12 |
| Communities United | Chicago | 501(c)(3) | 2001 | $1.7 million | $10 million | 2025-12 |
| Alliance for Housing Progress | Olympia FLDS | 501(c)(3) | 2024 | $1.7 million | $1.5 million | 2025-12 |
| Chicago Network Inc | Chicago | 501(c)(3) | 2015 | $1.7 million | $3.9 million | 2025-06 |
| Foundation for Homan Square | Chicago | 501(c)(3) | 1996 | $1.6 million | $52.6 million | 2024-12 |
| Envision Community Services | Chicago | 501(c)(3) | 2012 | $1.6 million | $149,991 | 2024-12 |
| Jewish Council On Urban Affairs | Chicago | 501(c)(3) | 1966 | $1.6 million | $3.5 million | 2024-12 |
| Rogers Park Community Council | Chicago | 501(c)(3) | 1964 | $1.6 million | $632,086 | 2025-06 |
| St Mark Methodist Church Housing Foundation Inc | Chicago | 501(c)(3) | 1989 | $1.6 million | $3.6 million | 2025-06 |
| Dairy Center for Strategic Innovation and Collaboration Inc | Rosemont | 501(c)(6) | 2009 | $1.6 million | $873,194 | 2024-12 |
| Resilience Partners NFP | Chicago | 501(c)(3) | 2015 | $1.6 million | $2.1 million | 2024-12 |
| Highsight | Chicago | 501(c)(3) | 1996 | $1.6 million | $1.8 million | 2025-06 |
| Chicago Defender Charities Inc | Chicago | 501(c)(3) | 2024 | $1.6 million | $161,428 | 2023-01 |
| Foodservice Consultants Society International-The Americas Divisio | Bloomington | 501(c)(6) | 2014 | $1.6 million | $1.6 million | 2025-12 |
| Greater Peoria Leadership Council Inc | Peoria | 501(c)(3) | 2023 | $1.5 million | $1 million | 2025-12 |
| Bank Administration Institute | Chicago | 501(c)(3) | 1984 | $1.5 million | $22.4 million | 2025-09 |
| International Union of Operatingengineers Local 399 Building Corp | Chicago | 501(c)(2) | 2014 | $1.5 million | $9 million | 2025-06 |
| Italian American Chamber of Commerce | Northbrook | 501(c)(6) | 2020 | $1.5 million | $468,921 | 2024-12 |
| American College of Physician Advisors Inc | Naperville | 501(c)(6) | 2014 | $1.5 million | $1.7 million | 2024-12 |
| Asa Education Foundation Inc | Itasca | 501(c)(3) | 1999 | $1.5 million | $14.7 million | 2024-12 |
| Independence Plaza Investment Group Inc | Chicago | 501(c)(25) | 2009 | $1.5 million | $35.1 million | 2024-12 |
| American Chamber of Commerce in Poland | Springfield | 501(c)(6) | 2009 | $1.5 million | $1.5 million | 2024-12 |
| Great Lakes Cities Initiative | New Lenox | 501(c)(3) | 2006 | $1.5 million | $630,567 | 2024-12 |
| Dupagebiz NFP | Downers Grove | 501(c)(6) | 2007 | $1.4 million | $777,924 | 2024-11 |
| Resident Association of Greater Englewood | Chicago | 501(c)(3) | 2019 | $1.4 million | $4 million | 2025-12 |
| Labor and Employment Relations Association | Champaign | 501(c)(3) | 1977 | $1.4 million | $1 million | 2024-12 |
| Sdco 101 Post Street Inc | Chicago | 501(c)(25) | 2013 | $1.4 million | $15.8 million | 2025-12 |
| Jane Addams Development Corporation | Chicago | 501(c)(3) | 1992 | $1.4 million | $3.6 million | 2025-06 |
| Chicago Loop Alliance | Chicago | 501(c)(6) | 1931 | $1.4 million | $920,500 | 2024-12 |
| Reach Community Development Corpora Tion | Chicago | 501(c)(3) | 2026 | $1.4 million | $2.1 million | 2024-12 |
| Chicagoland Construction Safety Council | Hillside | 501(c)(3) | 1991 | $1.4 million | $930,391 | 2025-06 |
| Peru Becker LTD NFP | Galesburg | 501(c)(2) | 2008 | $1.4 million | $9.8 million | 2025-03 |
| Duo Development | Chicago | 501(c)(3) | 2019 | $1.4 million | $1.7 million | 2025-03 |
| Association of Pulmonary & Critical Care Medicine Program Directors | Chicago | 501(c)(6) | 2009 | $1.4 million | $4.4 million | 2025-06 |
| Lake County Partnership for Economic Development Inc | Lincolnshire | 501(c)(3) | 1999 | $1.3 million | $1.4 million | 2025-12 |
| Land of Lincoln Economic Development Corporation | Springfield | 501(c)(6) | 2019 | $1.3 million | $298,447 | 2024-12 |
| Urban Development Corporation | Chicago | 501(c)(3) | 2019 | $1.3 million | $1.1 million | 2024-12 |
| Illinois Alliance of Administrators of Special Education | Bloomington | 501(c)(6) | 1989 | $1.3 million | $1.9 million | 2025-06 |
| Field School Foundation | Chicago | 501(c)(3) | 2022 | $1.3 million | $7.6 million | 2025-07 |
| Maui Marketplace Investment Group Inc A Delaware Corporation | Chicago | 501(c)(25) | 2001 | $1.3 million | $60 million | 2024-12 |
| Zams Hope Community Resources Cente | Chicago | 501(c)(3) | 2024 | $1.3 million | $715,570 | 2025-12 |
| Black Researchers Collective | Chicago | 501(c)(3) | 2022 | $1.3 million | $724,124 | 2025-12 |
| Mattoon Sports Complex Inc | Mattoon | 501(c)(3) | 2023 | $1.3 million | $36.9 million | 2025-03 |
| Bloomington-Normal Area Convention and Visitors Bureau | Bloomington | 501(c)(6) | 2006 | $1.3 million | $2 million | 2025-06 |
| Illinois Coalition for Community Services | Springfield | 501(c)(3) | 1987 | $1.3 million | $506,535 | 2025-06 |
| Pipe Fitting Council of Greater Chicago | Burr Ridge | 501(c)(6) | 2009 | $1.3 million | $4.8 million | 2025-05 |
| Chicago Vibrant Neighborhoods Collective | Chicago | 501(c)(3) | 2023 | $1.3 million | $1.2 million | 2024-12 |
| Lawyers Associated Worldwide | Joliet | 501(c)(6) | 2007 | $1.3 million | $664,409 | 2024-12 |
| Iperc | Springfield | 501(c)(6) | 2000 | $1.3 million | $1.6 million | 2025-12 |
| Family Matters Inc | Chicago | 501(c)(3) | 1993 | $1.3 million | $1.2 million | 2025-08 |
| North Shore Board of Realtors | Northbrook | 501(c)(6) | 1966 | $1.3 million | $6.6 million | 2025-09 |
| Southside Together Organizing for Power | Chicago | 501(c)(3) | 2019 | $1.2 million | $938,028 | 2025-06 |
| Lifescore Foundation | Chicago | 501(c)(3) | 2020 | $1.2 million | $87,823 | 2025-12 |
| The Hatchery Title Holding Corporation NFP | Chicago | 501(c)(25) | 2018 | $1.2 million | $25.6 million | 2025-12 |
| Arias-Us Inc | Chicago | 501(c)(6) | 2000 | $1.2 million | $1.3 million | 2025-06 |
| Healthcura Real Estate Inc | Chicago | 501(c)(2) | 2019 | $1.2 million | $19.3 million | 2024-12 |
| Christian Community Development Association | Chicago | 501(c)(3) | 2007 | $1.2 million | $936,888 | 2025-12 |
| Midwest Operating Enginners Pension Fund Building Not-For-Profit Corpo | Countryside | 501(c)(2) | 2003 | $1.1 million | $14.5 million | 2025-03 |
| Illinois Gaming Machine Operators Association | Morris | 501(c)(6) | 2015 | $1.1 million | $217,673 | 2025-09 |
| Firestop Contractors International Association Inc | Glen Ellyn | 501(c)(6) | 2000 | $1.1 million | $606,045 | 2024-12 |
| Heartland Realtor Organization | Crystal Lake | 501(c)(6) | 1978 | $1.1 million | $2.4 million | 2025-09 |
| St Charles Business Alliance Inc | St Charles | 501(c)(3) | 1993 | $1.1 million | $631,006 | 2025-04 |
| Executive Service Corps of Chicago | Chicago | 501(c)(3) | 1978 | $1.1 million | $3.3 million | 2024-12 |
| Illinois Economic Policy Institute | Countryside | 501(c)(4) | 2014 | $1.1 million | $627,554 | 2025-05 |
| East Side Aligned | E Saint Louis | 501(c)(3) | 2022 | $1.1 million | $892,149 | 2025-06 |
| Imagine Englewood If NFP | Chicago | 501(c)(3) | 2014 | $1.1 million | $1.7 million | 2024-12 |
| Greenwood Archer Capital Inc | Chicago | 501(c)(3) | 2014 | $1.1 million | $14.1 million | 2025-06 |
| Habitat Restores Corporation | Joliet | 501(c)(3) | 2025 | $1.1 million | $2 million | 2025-06 |
| Construction & Demolition Recycling Association | Springfield | 501(c)(6) | 2007 | $1.1 million | $856,244 | 2024-12 |
| Push for Excellence Inc | Chicago | 501(c)(3) | 1978 | $1 million | $326,535 | 2024-12 |
| New Covenant Community Development | Chicago | 501(c)(3) | 2014 | $1 million | $1.8 million | 2025-12 |
| Quad Communities Development Corporation NFP | Chicago | 501(c)(3) | 2021 | $1 million | $1 million | 2025-06 |
| North Lawndale Catalyst Initiative Inc | Chicago | 501(c)(3) | 2024 | $1 million | $18.3 million | 2024-12 |
| Illinois Thoroughbred Horsemens Assoc Inc | North Riverside | 501(c)(6) | 2001 | $1 million | $1.3 million | 2025-12 |
| Rock River Development Partnership Inc | Rockford | 501(c)(3) | 2011 | $1 million | $7.2 million | 2024-12 |
| Long Grove Business and Communitypartners | Long Grove | 501(c)(3) | 2008 | $1 million | $445,648 | 2024-12 |
| Society of Dermatology Nurse Practitioners | Warrenville | 501(c)(6) | 2020 | $1 million | $655,126 | 2025-12 |
| 7-Eleven Wiliana Franchise Owners Association | Schaumburg | 501(c)(6) | 2003 | $986,297 | $1 million | 2024-12 |
| Greater Freeport Partnership | Freeport | 501(c)(3) | 1985 | $980,593 | $982,138 | 2025-12 |
| American Federation of Labor & Congress of Industrial Orgs | Peoria | 501(c)(5) | 1956 | $980,372 | $840,606 | 2025-09 |
| National Plasterers Council | Libertyville | 501(c)(6) | 2015 | $966,936 | $1.4 million | 2025-06 |
| Sterling Riverfront Foundation | Sterling | 501(c)(3) | 2024 | $966,733 | $964,426 | 2024-12 |
| Macedonia Development Corporation NFP | East Saint Louis | 501(c)(3) | 2003 | $965,380 | $178,807 | 2025-12 |
| Galena Golf Club | Galena | 501(c)(3) | 2024 | $956,201 | $481,760 | 2024-12 |
| Greater Sterling Development Corp | Sterling | 501(c)(3) | 1990 | $950,454 | $9.3 million | 2025-04 |
| Midwest Association of Rail Shippers Inc | Chicago | 501(c)(6) | 2000 | $924,223 | $1.2 million | 2026-02 |
| Illinois Venture Capital Association | Chicago | 501(c)(6) | 2001 | $923,236 | $1.2 million | 2025-06 |
| Black Excellence in Bleu NFP | Westchester | 501(c)(4) | 2025 | $920,502 | $439,765 | 2024-12 |
| Pci Foundation | Chicago | 501(c)(3) | 2019 | $902,142 | $598,233 | 2025-06 |
| Garfield Park Community Council | Chicago | 501(c)(3) | 2013 | $901,612 | $3.1 million | 2025-06 |
| Fawohodie Foundation NFP | Chicago | 501(c)(3) | 2024 | $875,972 | $317,415 | 2025-12 |
| Vermilion Advantage NFP | Danville | 501(c)(6) | 1965 | $871,603 | $778,355 | 2024-12 |
| Saving Our Sons Ministries Inc | Chicago | 501(c)(3) | 2026 | $863,937 | $143,703 | 2021-12 |
| Ctsnet Inc | Chicago | 501(c)(6) | 2000 | $863,236 | $5 million | 2024-12 |
| Professional Golfers Association of America Illinois Section Inc | Golf | 501(c)(6) | 2024 | $854,901 | $1.3 million | 2025-03 |
| Southern Oncology Association of Practices | Shiloh | 501(c)(6) | 2001 | $848,926 | $3.4 million | 2025-12 |
| Institute of Real Estate Management Foundation | Chicago | 501(c)(3) | 1977 | $844,008 | $1.9 million | 2025-12 |
| Schaumburg Business Association | Schaumburg | 501(c)(6) | 2002 | $841,895 | $574,561 | 2024-12 |
| Peoria Manor Court LTD NFP | Galesburg | 501(c)(2) | 2008 | $819,685 | $5.8 million | 2025-03 |
| Chicago Yacht Club Regatta Association Inc | Chicago | 501(c)(4) | 2017 | $818,715 | $387,143 | 2024-12 |
| Campaign for A Drug Free Westside Inc | Chicago | 501(c)(3) | 1995 | $813,793 | $534,823 | 2025-06 |
| Bridge Investment Community Development Corporation | Rock Island | 501(c)(3) | 2015 | $812,484 | $9.5 million | 2025-12 |
| Sdco Gateway Commerce I & II Inc | Chicago | 501(c)(25) | 2006 | $801,538 | $12.7 million | 2025-12 |
| Become Inc | Chicago | 501(c)(3) | 2014 | $800,208 | $220,864 | 2024-12 |
| Proviso Public Partnership | Hillside | 501(c)(3) | 2014 | $789,839 | $939,715 | 2025-06 |
| Elgin Area Chamber of Commerce | Elgin | 501(c)(6) | 1938 | $786,796 | $791,591 | 2025-12 |
| Metropolitan Housing Development Corporation | Chicago | 501(c)(3) | 1995 | $784,354 | $3.7 million | 2025-12 |
| Erc Properties Foundation | Chicago | 501(c)(2) | 2001 | $783,962 | $5.2 million | 2025-06 |
| Land of Lincoln Community Law Centers NFP | E Saint Louis | 501(c)(2) | 2006 | $781,580 | $2.7 million | 2025-12 |
| Applied Strategies International LTD | Downers Grove | 501(c)(3) | 1985 | $774,393 | $920,848 | 2025-12 |
| Safety Week | Chicago | 501(c)(6) | 2019 | $773,456 | $610,478 | 2025-06 |
| Perfectly Flawed Foundation | La Salle | 501(c)(3) | 2017 | $770,593 | $614,728 | 2024-12 |
| Trust Bridgewater Corp | Chicago | 501(c)(25) | 2008 | $767,522 | $26.3 million | 2025-06 |
| Pilsen Neighbors Community Council | Chicago | 501(c)(3) | 1973 | $762,964 | $1.8 million | 2024-12 |
| Gis Certification Institute | Des Plaines | 501(c)(6) | 2002 | $761,537 | $1.2 million | 2024-12 |
| Quinn Community Services Alliance of Chicago | Chicago | 501(c)(3) | 2005 | $760,587 | $101,526 | 2024-04 |
| Wine and Spirits Distributors Association | Chicago | 501(c)(6) | 2001 | $759,688 | $369,260 | 2025-12 |
| Hispanic Management Organization Inc | Chicago | 501(c)(3) | 1988 | $750,811 | $5.5 million | 2025-06 |
| Service Club of Chicago | Chicago | 501(c)(3) | 1937 | $747,649 | $2 million | 2024-12 |
| North Lawndale Community Coordinating Council Inc | Chicago | 501(c)(3) | 2025 | $735,870 | $3.7 million | 2024-12 |
| Xchange Chicago Support Corporation | Chicago | 501(c)(3) | 2025 | $735,763 | $15 million | 2024-12 |
| Willow House | Bannockburn | 501(c)(3) | 1999 | $730,635 | $330,263 | 2025-06 |
| Metropolitan Housing Development Corporation | Chicago | 501(c)(3) | 1995 | $729,682 | $2.1 million | 2025-12 |
| Hellenic American Care Foundation Inc | Wheeling | 501(c)(2) | 2015 | $725,326 | $6.8 million | 2025-05 |
| Independent Equipment Dealers Association | Westchester | 501(c)(6) | 2010 | $722,714 | $761,972 | 2025-12 |
| Tri Council Development Fund | Aurora | 501(c)(5) | 2021 | $721,791 | $416,781 | 2026-03 |
| National Association of Latino Healthcare Executives Inc | Itasca | 501(c)(6) | 2009 | $721,621 | $251,132 | 2025-12 |
| Neuropoint Alliance Inc | Rolling Meadows | 501(c)(6) | 2009 | $721,522 | $4.1 million | 2025-06 |
| Downers Grove Economic Development Corporation | Downers Grove | 501(c)(6) | 2007 | $719,538 | $594,122 | 2024-12 |
| Friends of Barringtons White House NFP | Barrington | 501(c)(3) | 2018 | $718,787 | $3.4 million | 2025-12 |
| Rheumatology Nurses Society Inc | East Dundee | 501(c)(6) | 2007 | $715,179 | $203,623 | 2025-12 |
| Alliance for Responsible Consumer Legal Funding | Rosemont | 501(c)(6) | 2011 | $713,500 | $199,413 | 2024-12 |
| Midtown Cultural Center Inc | Chicago | 501(c)(3) | 1996 | $709,828 | $444,922 | 2024-12 |
| Education Foundation of the Ccim Institute | Chicago | 501(c)(3) | 1991 | $707,628 | $7.7 million | 2025-12 |
| Illinois Biotechnology Innovation Organization | Chicago | 501(c)(6) | 1999 | $701,113 | $657,697 | 2024-12 |
| Illinois Association of Schoolpersonnel Administrators | Geneva | 501(c)(6) | 2008 | $699,438 | $856,518 | 2025-12 |
| African-American Resource Center at Booker | Rockford | 501(c)(3) | 2015 | $697,358 | $235,246 | 2025-06 |
| Illinois City Management Association | Dekalb | 501(c)(3) | 2025 | $692,393 | $521,424 | 2025-04 |
| Illinois Peoples Action | Bloomington | 501(c)(3) | 2000 | $690,390 | $1.8 million | 2024-12 |
| Beverly Area Planning Association | Chicago | 501(c)(3) | 1973 | $685,708 | $1 million | 2025-12 |
| Illinois Housing Council | Chicago | 501(c)(4) | 2008 | $680,798 | $1.2 million | 2025-12 |
| American Society for Dermatologic Surgery Association | Schaumburg | 501(c)(6) | 2010 | $667,146 | $375,383 | 2024-12 |
| The Lincoln Park Society | Chicago | 501(c)(3) | 1997 | $662,986 | $4.5 million | 2025-06 |
| Hegewisch Development Corporation | Chicago | 501(c)(3) | 2021 | $662,034 | $17,566 | 2024-12 |
| Fca of Illinois | Aurora | 501(c)(6) | 2003 | $661,628 | $297,544 | 2024-12 |
| American College of Academic Addiction Medicine Inc | Schaumburg | 501(c)(6) | 2008 | $660,225 | $765,222 | 2024-12 |
| Teachers Supporting Teachers | Chicago | 501(c)(3) | 2015 | $658,378 | $926,799 | 2025-05 |
| Illinois Harness Horsemens Association Inc | Hinsdale | 501(c)(6) | 2020 | $646,399 | $608,308 | 2024-12 |
| Soyland Access To Independent Living | Decatur | 501(c)(3) | 1993 | $633,625 | $572,554 | 2025-06 |
| National Retail and Restaurant Defense Association Inc | Park Ridge | 501(c)(6) | 2008 | $632,916 | $528,862 | 2024-12 |
| New Directions Treatment Center | Danville | 501(c)(3) | 1998 | $629,041 | $531,284 | 2025-06 |
| Mercado On 5TH Inc | Moline | 501(c)(3) | 2017 | $628,753 | $1.2 million | 2024-12 |
| Icbg Inc | Plainfield | 501(c)(6) | 2015 | $625,771 | $123,702 | 2024-12 |
| Chicagofirst Association | Chicago | 501(c)(6) | 2005 | $618,250 | $1.5 million | 2025-12 |
| Naturally Chicago Inc | Oak Park | 501(c)(6) | 2023 | $616,433 | $57,562 | 2024-12 |
| Help at Home Community Foundation | Chicago | 501(c)(3) | 2023 | $615,862 | $765,622 | 2025-12 |
| Downtown Naperville Alliance | Naperville | 501(c)(6) | 2021 | $614,700 | $402,274 | 2025-06 |
| Family First Center of Lake County | Waukegan | 501(c)(3) | 2005 | $601,874 | $145,458 | 2024-12 |
| Faith Coalition for the Common Good Inc | Springfield | 501(c)(3) | 2011 | $598,290 | $561,727 | 2025-12 |
| Americas Central Port Foundation I Inc | Granite City | 501(c)(3) | 2016 | $598,027 | $4.3 million | 2025-06 |
| Illinois Petroleum Resources Board | Mount Vernon | 501(c)(6) | 2008 | $594,568 | $1.5 million | 2024-12 |
| Keokuk Village Circle LTD NFP | Galesburg | 501(c)(2) | 2008 | $594,146 | $4.6 million | 2025-09 |
| National Black Prosecutors Association | Chicago | 501(c)(6) | 2015 | $593,329 | $319,675 | 2025-06 |
| International Surgical Sleep Society Inc | East Dundee | 501(c)(6) | 2009 | $586,897 | $477,037 | 2025-12 |
| Iar Plaza Inc | Springfield | 501(c)(2) | 2014 | $583,720 | $6 million | 2025-12 |
| Downtown Springfield Inc | Springfield | 501(c)(3) | 2026 | $582,201 | $505,222 | 2024-12 |
| McHenry County Convention and Visitors Bureau | Woodstock | 501(c)(6) | 2006 | $577,006 | $234,927 | 2025-06 |
| Traffic Association of Chicago | Chicago | 501(c)(6) | 2013 | $572,181 | $901,318 | 2024-12 |
| Near South Planning Board | Chicago | 501(c)(3) | 2023 | $571,053 | $203,532 | 2025-07 |
| Business Leadership Council | Chicago | 501(c)(6) | 2012 | $569,002 | $327,705 | 2024-12 |
| Southern Illinois Now | Carbondale | 501(c)(3) | 2023 | $565,000 | $77,902 | 2026-03 |
| Greater Metropolis Convention & Visitors Bureau Inc | Metropolis | 501(c)(6) | 2015 | $564,764 | $219,600 | 2023-12 |
| Ana-Illinois | Manteno | 501(c)(6) | 2013 | $563,476 | $646,466 | 2025-06 |
| Junior League of Chicago Inc | Chicago | 501(c)(3) | 1935 | $560,087 | $2.4 million | 2025-05 |
| Bolingbrook Area Chamber of Commerce Inc | Bolingbrook | 501(c)(6) | 2000 | $557,810 | $98,149 | 2025-06 |
| Jannah Circle Inc NFP | Naperville | 501(c)(3) | 2026 | $554,395 | $381,836 | 2025-12 |
| Greater Belleville Chamber of Commerce Inc | Belleville | 501(c)(6) | 2012 | $553,456 | $732,013 | 2025-12 |
| Chicago Family Business Council Inc | Chicago | 501(c)(3) | 2020 | $548,614 | $620,498 | 2025-06 |
| Northern Illinois Center for Nonprofit Excellence | Rockford | 501(c)(3) | 2018 | $544,659 | $1.1 million | 2025-06 |
| Interior Design Educators Council Inc | Chicago | 501(c)(6) | 2010 | $540,760 | $295,480 | 2025-09 |
| Downtown Downers Grove Inc | Downers Grove | 501(c)(6) | 2000 | $540,735 | $653,491 | 2025-12 |
| The Heph Foundation | Oak Park | 501(c)(3) | 2021 | $540,100 | $17,102 | 2025-12 |
| Archi-Treasures Association | Chicago | 501(c)(3) | 1999 | $537,880 | $913,047 | 2025-12 |
| Bowling Proprietors Association of America Inc | Melrose Park | 501(c)(6) | 1979 | $535,671 | $400,836 | 2024-12 |
| High Speed Rail Alliance Inc | Chicago | 501(c)(3) | 1995 | $530,604 | $68,464 | 2025-12 |
| Commercial Law League of America | Hoffman Est | 501(c)(6) | 2002 | $528,927 | $641,485 | 2026-05 |
| Taxpayers Federation of Illinois | Springfield | 501(c)(4) | 1942 | $528,456 | $530,988 | 2024-12 |
| Midwest Business Brokers & Intermediaries Association | Chicago | 501(c)(6) | 1999 | $523,477 | $339,933 | 2024-12 |
| Geneseo Park District Foundation NFP | Geneseo | 501(c)(3) | 2014 | $522,253 | $2.7 million | 2025-12 |
| Chicago Medical Society Association | Chicago | 501(c)(6) | 2002 | $521,598 | $2.1 million | 2024-12 |
| Utility Safety & Ops Leadership Network NFP | Crystal Lake | 501(c)(6) | 2014 | $517,686 | $362,372 | 2025-12 |
| Rotary/one Foundation Inc | Chicago | 501(c)(3) | 1939 | $512,447 | $4.2 million | 2025-06 |
| Transform Capital | Libertyville | 501(c)(3) | 2021 | $512,362 | $5.1 million | 2025-12 |
| Wessex 504 Corporation | Arlington HTS | 501(c)(4) | 2011 | $508,429 | $159,286 | 2025-09 |
| Jerseyville Economic Development Council Inc | Jerseyville | 501(c)(6) | 2018 | $505,727 | $197,354 | 2025-12 |
| Great River Economic Development Foundation | Quincy | 501(c)(6) | 1979 | $503,489 | $875,090 | 2024-12 |
| Trust 16 Market Square Corp | Chicago | 501(c)(25) | 2006 | $501,766 | $79.3 million | 2025-06 |
| Rockford Area Convention & Visitors Bureau Charitable Foundation | Rockford | 501(c)(3) | 2015 | $501,681 | $577,969 | 2025-06 |
| Clinical Association of California Endocrinologists Inc | Schaumburg | 501(c)(6) | 2003 | $500,385 | $618,507 | 2024-12 |
| Small Business Advocacy Council | Chicago | 501(c)(6) | 2012 | $494,637 | $87,152 | 2025-12 |
| Greater Waukegan Development Coalition | Waukegan | 501(c)(3) | 2014 | $493,211 | $410,256 | 2025-06 |
| Certification Board for Nutrition Specialists Inc | Chicago | 501(c)(6) | 2011 | $489,730 | $167,128 | 2025-12 |
| National Fireproofing Contractors Association Inc | Glen Ellyn | 501(c)(6) | 2003 | $487,560 | $665,703 | 2025-12 |
| Association of Modified Asphalt Producers | Glen Ellyn | 501(c)(6) | 2000 | $484,430 | $700,881 | 2024-12 |
| M200 Association Inc | Chicago | 501(c)(6) | 2011 | $483,662 | $819,850 | 2025-12 |
| Rockford Community Investment Fund | Rockford | 501(c)(3) | 2022 | $480,571 | $5.1 million | 2025-09 |
| Union Building Fund | Westmont | 501(c)(2) | 2004 | $479,140 | $3.6 million | 2025-12 |
| Androgen Society Inc | Warrenville | 501(c)(6) | 2021 | $478,532 | $118,941 | 2025-12 |
| Institute of Real Estate Management of the Natl Association of Realtors | Oak Brook | 501(c)(6) | 1976 | $477,248 | $649,421 | 2025-12 |
| Northern Illinois Home Builders Association | Aurora | 501(c)(6) | 1978 | $473,484 | $747,338 | 2024-12 |
| International Automotive Lithium Battery - Inc | Oak Brook | 501(c)(6) | 2014 | $471,422 | $404,327 | 2025-12 |
| Austin African American Business Network NFP | Chicago | 501(c)(3) | 2019 | $469,031 | $877,567 | 2025-12 |
| West Town Chicago Chamber of Commerce | Chicago | 501(c)(6) | 2009 | $464,498 | $1 million | 2024-12 |
| The 117 Electrical Workers Association | Crystal Lake | 501(c)(2) | 2002 | $457,940 | $2.8 million | 2025-12 |
| Gateway To the Great Outdoors | Chicago | 501(c)(3) | 2017 | $457,628 | $254,762 | 2025-12 |
| Fulton Market District Improvement Association | Chicago | 501(c)(6) | 2025 | $456,851 | $151,972 | 2024-12 |
| Strengthening Our Community Alliance | Chicago | 501(c)(3) | 2015 | $451,823 | $512,444 | 2025-10 |
| Staffing Services Association of Illinois | Springfield | 501(c)(6) | 2002 | $451,000 | $232,096 | 2025-12 |
| Chicago Housing Consulting Services Inc NFP | Chicago | 501(c)(4) | 2012 | $450,578 | $2.3 million | 2025-12 |
| Us Joint Industry Committee Inc | Chicago | 501(c)(6) | 2024 | $450,000 | $235,830 | 2025-12 |
| Opportunity Transformation Investments Inc | Chicago | 501(c)(3) | 2000 | $449,436 | $27.3 million | 2025-09 |
| Iron Workers Mid-America Pension Plan Building Corporation | Lansing | 501(c)(2) | 2004 | $444,487 | $1.8 million | 2025-12 |
| Cary-Grove Area Chamber of Commerce | Cary | 501(c)(6) | 1999 | $437,073 | $360,949 | 2025-12 |
| I S Pullers | Paw Paw | 501(c)(7) | 2015 | $433,665 | $124,436 | 2024-12 |
| Advanced Urology Institute Education and General Fund | Schaumburg | 501(c)(6) | 2016 | $425,197 | $680,995 | 2024-12 |
| Libertyville Civic Center Foundation | Libertyville | 501(c)(3) | 1999 | $424,357 | $793,258 | 2025-12 |
| Aledo Civic Center Authority | Aledo | 501(c)(3) | 2022 | $422,597 | $24,948 | 2025-12 |
| Chicago Area Ind Con | LK in the HLS | 501(c)(6) | 2008 | $421,769 | $174,883 | 2024-12 |
| St Paul School Educational Foundation | Highland | 501(c)(3) | 1981 | $421,237 | $4.7 million | 2025-06 |
| Airport Restaurant & Retail Association | Park Ridge | 501(c)(6) | 2020 | $421,000 | $64,548 | 2024-12 |
| American Society of Functional Neuroradiology | Oak Brook | 501(c)(6) | 2005 | $419,425 | $538,248 | 2025-12 |
| Illinois Competitive Energy Association | Springfield | 501(c)(6) | 2012 | $418,054 | $79,547 | 2024-12 |
| Cryogenic Society of America Inc | Glen Ellyn | 501(c)(6) | 2023 | $414,523 | $183,270 | 2024-12 |
| Rockford Pipe Trades Labor Management Cooperation Council | Rockford | 501(c)(6) | 2008 | $412,448 | $139,699 | 2024-12 |
| Illinois Coalition for Legal Reform | Springfield | 501(c)(6) | 2024 | $408,799 | $903,577 | 2025-12 |
| Illinois Real Estate Lawyersassociation Inc | Arlington HTS | 501(c)(6) | 2006 | $403,133 | $698,654 | 2025-12 |
| FP2 Inc | Glen Ellyn | 501(c)(6) | 2010 | $401,909 | $336,727 | 2024-12 |
| Morton Chamber of Commerce | Morton | 501(c)(6) | 2017 | $401,662 | $341,786 | 2024-12 |
| Karl Perl Charitable Trust | Chicago | 501(c)(3) | 2009 | $400,079 | $2.3 million | 2024-12 |
| Tuckpointing Industry Advancement Fund | Chicago | 501(c)(6) | 2019 | $397,400 | $1.2 million | 2025-05 |
| Skokie Chamber of Commerce | Skokie | 501(c)(6) | 1966 | $395,499 | $68,786 | 2024-12 |
| Aluminum Anodizers Council | Libertyville | 501(c)(6) | 2007 | $395,444 | $340,121 | 2026-06 |
| Metro West Council of Government | Campton Hills | 501(c)(6) | 2007 | $395,020 | $609,969 | 2026-04 |
| Illinois Association of County Engineers | Springfield | 501(c)(6) | 2002 | $392,143 | $201,216 | 2024-11 |
| Site Foundation | Chicago | 501(c)(3) | 2008 | $391,397 | $1.9 million | 2024-12 |
| March Fourth To Ban Assault Weapons | Winnetka | 501(c)(4) | 2022 | $390,952 | $253,995 | 2025-12 |
| Illinois Land Title Association | Rockford | 501(c)(6) | 1956 | $390,425 | $760,409 | 2025-12 |
| Hospice Medical Director Certification Board | Schaumburg | 501(c)(6) | 2013 | $388,162 | $312,122 | 2024-12 |
| International Association of Diecutting and Diemaking | Crystal Lake | 501(c)(6) | 2002 | $388,116 | $1.1 million | 2025-03 |
| Spoon River Partnership for Economic Development | Canton | 501(c)(3) | 2006 | $387,684 | $554,880 | 2025-06 |
| Renew Moline Inc | Moline | 501(c)(3) | 1990 | $385,922 | $1.4 million | 2024-12 |
| West Bloomington Revitalization Project Corporation | Bloomington | 501(c)(3) | 2011 | $385,893 | $408,847 | 2025-12 |
| Effingham Regional Growth Alliance | Effingham | 501(c)(6) | 2014 | $384,738 | $1.1 million | 2025-12 |
| Illinois Solar Energy Association Inc | Palatine | 501(c)(6) | 2020 | $380,661 | $495,491 | 2025-12 |
| Skyward Users Group NFP | Tinley Park | 501(c)(6) | 2013 | $379,520 | $192,638 | 2026-06 |
| Neighborhood Building Owners Alliance | Chicago | 501(c)(4) | 2008 | $379,116 | $299,269 | 2025-12 |
| Kiwanis Charities of Rockford Inc | Rockford | 501(c)(3) | 1960 | $377,020 | $3.3 million | 2025-09 |
| Society of Academic Urologists | East Dundee | 501(c)(6) | 2005 | $374,696 | $1.2 million | 2024-12 |
| Crca Foundation | Glen Ellyn | 501(c)(3) | 2017 | $374,291 | $1.2 million | 2024-12 |
| Logan Square Chamber of Commerce | Chicago | 501(c)(6) | 1999 | $373,499 | $17,264 | 2024-12 |
| Corenet Global Inc | Mokena | 501(c)(6) | 2014 | $369,514 | $357,691 | 2025-03 |
| McKinley Park Development Council | Chicago | 501(c)(3) | 2019 | $367,963 | $310,500 | 2025-12 |
| Westmont Chamber of Commerce | Westmont | 501(c)(6) | 1999 | $367,746 | $405,282 | 2024-12 |
| Economic Alliance of Kankakee County Inc | Kankakee | 501(c)(6) | 2009 | $367,434 | $462,281 | 2024-11 |
| Illinois Society for Advanced Practice Nursing | Manteno | 501(c)(6) | 2003 | $361,665 | $249,287 | 2025-06 |
| National Vehicle Service Not Forprofit Corporation | Tinley Park | 501(c)(4) | 2008 | $360,697 | $175,910 | 2025-12 |
| 2722 S King Drive LLC | Chicago | 501(c)(2) | 2019 | $360,000 | $21.3 million | 2025-12 |
| Institute for Work and the Economy A Not-For-Profit Corporation | Oak Park | 501(c)(3) | 2001 | $359,171 | $82,081 | 2025-12 |
| Rebuilding Together Aurora Inc | Aurora | 501(c)(3) | 1993 | $358,146 | $210,524 | 2024-12 |
| Harvard Milk Day | Harvard | 501(c)(3) | 2025 | $358,071 | $520,778 | 2024-09 |
| Batavia Main Street | Batavia | 501(c)(3) | 1999 | $355,079 | $385,129 | 2025-12 |
| Springfield Project | Springfield | 501(c)(3) | 1997 | $354,238 | $371,632 | 2022-12 |
| Let Experienced Pilots Fly Incorporated | Springfield | 501(c)(6) | 2023 | $352,872 | $100,301 | 2024-12 |
| Community Investment Corporation of Decatur Inc | Decatur | 501(c)(3) | 1992 | $344,106 | $3.2 million | 2025-04 |
| Ken-Rock Community Center Inc | Rockford | 501(c)(3) | 1960 | $344,001 | $338,443 | 2025-06 |
| Irc Independent Representative Counsel | Rockford | 501(c)(6) | 2002 | $343,010 | $265,839 | 2025-12 |
| Commercial Collection Agencies of America Inc | Arlington HTS | 501(c)(6) | 2016 | $342,785 | $54,728 | 2025-05 |
| Elevate Aurora Inc | Aurora | 501(c)(6) | 2025 | $342,174 | $2 million | 2025-12 |
| Illinois Association of County Officials | Rochester | 501(c)(6) | 2000 | $342,026 | $70,261 | 2025-12 |
| Smacna of Northern Illinois Industry Fund | Rockford | 501(c)(6) | 1999 | $342,006 | $42,746 | 2025-12 |
| B O O C | South Holland | 501(c)(3) | 2001 | $340,791 | $72,512 | 2025-06 |
| Chatham Business Association Inc | Chicago | 501(c)(3) | 2008 | $338,583 | $569,705 | 2024-12 |
| Pci of Illinois & Wisconsin | Frankfort | 501(c)(6) | 2004 | $337,035 | $317,044 | 2026-06 |
| Ascm Chicagoland | Chicago | 501(c)(6) | 2025 | $335,183 | $673,568 | 2025-06 |
| Action Brown County Inc | Mt Sterling | 501(c)(3) | 2015 | $335,161 | $424,319 | 2024-12 |
| Female Strong | Chicago | 501(c)(3) | 2014 | $330,099 | $281,632 | 2025-06 |
| Wheeling Township Emergency Fund Inc | Arlington Heights | 501(c)(3) | 1997 | $323,905 | $1.1 million | 2026-02 |
| Southernmost Illinois Delta Empowerment Zone | Mounds | 501(c)(3) | 2000 | $321,159 | $4.5 million | 2025-06 |
| Walk Bike Go | Chicago | 501(c)(3) | 2015 | $320,637 | $457,807 | 2024-12 |
| Illinois Public Safety Agencynetwork | Chicago | 501(c)(6) | 2006 | $316,971 | $7.7 million | 2024-12 |
| Southwest Collective | Chicago | 501(c)(3) | 2020 | $316,035 | $227,478 | 2024-12 |
| Mendota Area Chamber of Commerce | Mendota | 501(c)(6) | 1948 | $315,347 | $348,515 | 2025-10 |
| Westmont Special Events Corporation NFP | Westmont | 501(c)(4) | 2006 | $315,132 | $215,763 | 2024-12 |
| Main Street of Sterling Inc | Sterling | 501(c)(3) | 2006 | $307,950 | $622,371 | 2025-12 |
| International Association of Conference Centers | Chicago | 501(c)(6) | 2000 | $306,228 | $1 million | 2024-12 |
| Greater Livingston County Economic Development Council | Pontiac | 501(c)(6) | 2014 | $305,209 | $721,454 | 2024-12 |
| Zarathushti Entrepreneurship Development Foundation | Hinsdale | 501(c)(3) | 2020 | $302,335 | $297,091 | 2024-12 |
| Westside Community Empowerment Center | Chicago | 501(c)(3) | 2023 | $301,855 | $311,331 | 2026-03 |
| Southern Illinois Sheet Metal Contractors Organization | Edwardsville | 501(c)(6) | 1984 | $300,928 | $496,210 | 2025-12 |
| Esports Trade Association | Chicago | 501(c)(6) | 2019 | $299,695 | $73,754 | 2025-12 |
| Midway Chamber of Commerce | Chicago | 501(c)(6) | 2024 | $299,286 | $35,956 | 2025-12 |
| Clean Energy Choice Coalition | Sleepy Hollow | 501(c)(6) | 2024 | $297,676 | $81,005 | 2024-12 |
| Lincoln Economic Advancement & Development Inc | Lincoln | 501(c)(3) | 2020 | $296,657 | $362,634 | 2025-12 |
| Grayslake Chamber of Commerce | Grayslake | 501(c)(6) | 2020 | $296,457 | $329,008 | 2025-12 |
| Junior League of Evanston-North Shore Inc | Winnetka | 501(c)(3) | 1942 | $296,404 | $2.5 million | 2025-05 |
| Project First Rate | Rockford | 501(c)(6) | 2014 | $295,209 | $126,201 | 2025-05 |
| Chicagoland Food Inc | Oak Park | 501(c)(6) | 2019 | $294,169 | $285,751 | 2024-12 |
| Ignite Technology and Innovation Inc | Chicago | 501(c)(3) | 2018 | $293,429 | $249,692 | 2024-12 |
| Chicago Blend Group | Chicago | 501(c)(3) | 2021 | $292,708 | $129,551 | 2024-12 |
| Mason Contractors Association of Greater Chicago Inc | Park Ridge | 501(c)(6) | 2003 | $292,630 | $909,223 | 2024-12 |
| Chicago Chapter of Professional Women in Construction | Chicago | 501(c)(6) | 2024 | $291,194 | $368,984 | 2025-12 |
| Chicago Heights Leadership Council | Chicago | 501(c)(4) | 1999 | $290,560 | $131,592 | 2025-12 |
| Downtown Development Corporation of Peoria | Peoria | 501(c)(3) | 2015 | $288,807 | $711,155 | 2025-12 |
| Jefferson County Development Corporation | Mount Vernon | 501(c)(3) | 2006 | $287,408 | $571,086 | 2025-04 |
| Connectwaukegan NFP | Deerfield | 501(c)(3) | 2022 | $287,155 | $6,487 | 2024-12 |
| Womens Innovation Group | Homewood | 501(c)(3) | 2018 | $285,984 | $117,507 | 2024-12 |
| Texas Endocrinology Association Inc | Schaumburg | 501(c)(6) | 2003 | $284,007 | $535,724 | 2024-12 |
| American Railway Development Association | Northbrook | 501(c)(6) | 2023 | $283,191 | $340,208 | 2025-08 |
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.