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

Nonprofits in OAK CREEK, WI

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

Largest nonprofits in OAK CREEK by revenue

Top 5s in OAK CREEK

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Sikh Temple of Wisconsin Inc990, year ended Dec 2024$480.2K
  2. 2Global Christian Interaction Inc990-PF, year ended Dec 2024$352.6K
  3. 3Park People of Milwaukee County Inc990, year ended Mar 2025$320.5K
  4. 4Hope Village International990, year ended Dec 2025$297.7K
  5. 5International Union of Operating Engineers Local 420990, year ended Dec 2025$224.5K

Largest reserves

Net assets (fund balance) at year end

  1. 1Leonard Gigowski Catholic Education Foundation Inc990-PF, year ended Dec 2025$17.4M
  2. 2Congregational Foundation Inc990, year ended Mar 2025$15.2M
  3. 3Global Christian Interaction Inc990-PF, year ended Dec 2024$4.9M
  4. 4Sikh Temple of Wisconsin Inc990, year ended Dec 2024$3.4M
  5. 5International Union of Operating Engineers Local 420990, year ended Dec 2025$2.1M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Gregory HindsOrganizer · International Union of Operating Engineers Local 420$197.3K
  2. 2Alexander TetzlaffBusiness Manager · International Union of Operating Engineers Local 420$185.5K
  3. 3Jacob KartesFinancial Secretary · International Union of Operating Engineers Local 420$183.9K
  4. 4Jarod SchlichterVice President · International Union of Operating Engineers Local 420$180.6K
  5. 5Rene GriswoldExecutive Director · Wisconsin Interscholastic Cycling League$105.1K

All nonprofits in OAK CREEK, A–Z (page 1 of 2)