Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofits in DARIEN, IL

74 tax-exempt organizations with a return on IRS file.

Largest nonprofits in DARIEN by revenue

Top 5s in DARIEN

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1American Academy of Sleep Medicine Foundation990, year ended Dec 2024$2.7M
  2. 2Sleep Research Society Foundation990, year ended Dec 2025$1.3M
  3. 3American Academy of Sleep Medicine990, year ended Dec 2024$345.4K
  4. 4Darien Study Center Inc990, year ended Jun 2025$336.3K
  5. 5Sleep Research Society990, year ended Dec 2025$266.3K

Largest reserves

Net assets (fund balance) at year end

  1. 1Bot Chicago Painters & Decorators Retiree Welfare Fund990, year ended Apr 2025$173M
  2. 2American Academy of Sleep Medicine990, year ended Dec 2024$96.8M
  3. 3Chicago Painters and Decorators Welfare Fund990, year ended Apr 2025$82.5M
  4. 4Chicago Painters and Decorators Cooperation and Education TR Fund990, year ended Apr 2025$23M
  5. 5American Academy of Sleep Medicine Foundation990, year ended Dec 2024$13.1M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Steven Van HoutExecutive Director · American Academy of Sleep Medicine$621.1K
  2. 2Sherene ThomasAssistant Executive Director · American Academy of Sleep Medicine$313.9K
  3. 3Todd OverdorfTrustee · Chicago Painters and Decorators Deferred Savings Plan Fund$274.7K
  4. 4Thomas HeffronSenior Director · American Academy of Sleep Medicine$272.5K
  5. 5Clark JohnsonDirector of Marketing · Chicago Painters and Decorators Cooperation and Education TR Fund$271.8K

All nonprofits in DARIEN, A–Z