Environment nonprofits in Illinois

Environment nonprofits in Illinois. Browse 919 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

  1. Wilmette Open Lands

    EIN 461429226 · Headquarters: WILMETTE, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Windfree Foundation

    EIN 831008137 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Windy City Grotto

    EIN 421640205 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Winnebago County Community Gardens Nfp

    EIN 332263067 · Headquarters: Rockford, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Wisconsin Illinois Lily Society

    EIN 364273677 · Headquarters: La Grange Park, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Wisconsin Sustainable Futures Network Inc

    EIN 391995815 · Headquarters: Princeton, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Wisdom of Owls

    EIN 995074938 · Headquarters: Saint Charles, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Witherspoon Conservation Corporation

    EIN 471252746 · Headquarters: Highland Park, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Women and Child Development (Wacd)

    EIN 933311070 · Headquarters: MOLINE, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Women Hoosier Hikers and Backpackers

    EIN 883447938 · Headquarters: Paris, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Women in Restoration & Engineering

    EIN 473079020 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wood St Collective

    EIN 922681161 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Woods and Prairie Foundation

    EIN 464357647 · Headquarters: NORTHBROOK, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. World Record Muskie Alliance

    EIN 201741826 · Headquarters: Woodstock, IL, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  15. Yo Oceans Inc

    EIN 471131561 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  16. Youth Conservation Corps

    EIN 363993578 · Headquarters: WAUKEGAN, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Youth Outdoor Education

    EIN 432001043 · Headquarters: Murphysboro, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Yucatan Environmental Foundation

    EIN 752914841 · Headquarters: RIVERSIDE, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Zachary Porter Foundation

    EIN 931989489 · Headquarters: Lake Bluff, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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