Nonprofits in Oakbrook, Illinois

4 nonprofits in Oakbrook, Illinois. See where $79.4M in donations goes — program spending, CEO pay, and red flags from IRS 990 filings.

4Nonprofits
$79.4MTotal Revenue
$0Total Assets
1Categories

Nonprofit Categories in Oakbrook

Health Care: 1 orgs

Top Nonprofits in Oakbrook by Revenue

#OrganizationCategoryRevenueScoreAI Insight
1 Joint Commission Resources Inc Health Care $72.8M
2 Mayslake Center Ii Nfp $3.6M
3 Mayslake East Wing $2.1M
4 Mayslake Annex Ii Nfp $956K

All Oakbrook Organizations (4)

Other Cities in Illinois

Chicago (3338) Springfield (316) Rockford (175) Peoria (149) Evanston (141) Wheaton (119) Schaumburg (118) Champaign (107) Naperville (103) Oak Brook (97) Bloomington (85) Northbrook (79) Downers Grove (76) Decatur (75) Aurora (71) Lake Forest (70) Des Plaines (69) Quincy (67) Elgin (66) Skokie (64)

About Nonprofit Research in Oakbrook

Every tax-exempt nonprofit in the United States is required to file an IRS Form 990, which discloses financial details including revenue, expenses, assets, executive compensation, and program activities. NonprofitSpending uses AI to analyze these public filings and generate transparency reports for each organization.

For Oakbrook, Illinois, we track 4 registered nonprofits. Our AI enrichment process evaluates each organization's spending efficiency, revenue trends, governance practices, and mission alignment to produce a mission score and honest headline. This data helps donors, journalists, researchers, and community members make informed decisions about the nonprofits operating in their city.

Data on this page is sourced from IRS 990 filings, IRS Business Master Files, and supplemented with AI-powered analysis. Filing dates, ruling dates, and financial figures reflect the most recent available data. For the most current information on any organization, click through to its individual transparency report.

Frequently Asked Questions

How many nonprofits are in Oakbrook, Illinois?

There are 4 registered nonprofits in Oakbrook, Illinois, with $79.4M in combined annual revenue and $0 in total assets.

What is the largest nonprofit in Oakbrook, Illinois?

The largest nonprofit in Oakbrook by revenue is Joint Commission Resources Inc with $72.8M in annual revenue.

What types of nonprofits operate in Oakbrook?

The most common categories in Oakbrook are Health Care.

How efficient are nonprofits in Oakbrook with their spending?

Spending efficiency data is being compiled for nonprofits in Oakbrook.

What is the highest executive compensation at a nonprofit in Oakbrook?

Executive compensation data is being compiled for nonprofits in Oakbrook.

How can I research a nonprofit in Oakbrook?

You can research any nonprofit in Oakbrook by clicking on its name above to view its full AI-powered transparency report. Each report includes IRS 990 financial data, spending breakdowns, executive compensation, revenue trends, and AI-generated risk assessments based on publicly available filings.

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