Environment nonprofits in Wisconsin

Environment nonprofits in Wisconsin. Browse 1,084 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. Wisconsin Conservation Voices Inc

    EIN 731628891 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Wisconsin Conservative Energy Forum Inc

    EIN 830988188 · Headquarters: Madison, WI, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  3. Wisconsin Deer & Elk Farmers Foundation Inc

    EIN 830358480 · Headquarters: Rubicon, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Wisconsin Deerhunters Inc Manitowoc County Chap

    EIN 391636807 · Headquarters: Two Rivers, WI, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  5. Wisconsin Deerhunters Inc State Headquarters

    EIN 391625669 · Headquarters: Neshkoro, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Wisconsin Distributed Resources Collaborative Inc

    EIN 300253241 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Wisconsin Environment

    EIN 208727611 · Headquarters: Madison, WI, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  8. Wisconsin Environment Research & Policy Center Inc

    EIN 208727808 · Headquarters: MADISON, WI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. Wisconsin for Environmental Justice

    EIN 884003897 · Headquarters: MILWAUKEE, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Wisconsin Friends of John Muir

    EIN 455377055 · Headquarters: MONTELLO, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Wisconsin Garden Club Federation

    EIN 020724326 · Headquarters: sheboygan, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wisconsin Garden Club Federation

    EIN 061729030 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. Wisconsin Garden Club Federation

    EIN 113725047 · Headquarters: Foxboro, WI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Wisconsin Garden Club Federation

    EIN 141910915 · Headquarters: west salem, WI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  15. Wisconsin Garden Club Federation

    EIN 141911121 · Headquarters: Fox Point, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Wisconsin Garden Club Federation

    EIN 200381453 · Headquarters: WAUWATOSA, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Wisconsin Garden Club Federation

    EIN 391095784 · Headquarters: BANGOR, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Wisconsin Garden Club Federation

    EIN 391446874 · Headquarters: Delafield, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. Wisconsin Garden Club Federation

    EIN 391464335 · Headquarters: Racin, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Wisconsin Garden Club Federation

    EIN 391484981 · Headquarters: Kenosha, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Wisconsin Garden Club Federation

    EIN 391544031 · Headquarters: Fond du Lac, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Wisconsin Garden Club Federation

    EIN 391794122 · Headquarters: Union Grove, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Wisconsin Garden Club Federation

    EIN 391818850 · Headquarters: Verona, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Wisconsin Garden Club Federation

    EIN 392003409 · Headquarters: MILWAUKEE, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. Wisconsin Garden Club Federation

    EIN 392009399 · Headquarters: Wisconsin Rapids, WI, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Wisconsin Garden Club Federation

    EIN 392009460 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Wisconsin Garden Club Federation

    EIN 392021786 · Headquarters: Tomah, WI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Wisconsin Garden Club Federation

    EIN 392039882 · Headquarters: BROOKFIELD, WI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  29. Wisconsin Garden Club Federation

    EIN 396078421 · Headquarters: Sun Prairie, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Wisconsin Garden Club Federation

    EIN 412111135 · Headquarters: Cadott, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Wisconsin Garden Club Federation

    EIN 470941715 · Headquarters: Sheboygan, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. Wisconsin Garden Club Federation

    EIN 472729657 · Headquarters: Woodville, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Wisconsin Garden Club Federation

    EIN 510507408 · Headquarters: Appleton, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Wisconsin Garden Club Federation

    EIN 510517709 · Headquarters: Wausau, WI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  35. Wisconsin Garden Club Federation

    EIN 522441234 · Headquarters: Wisconsin Rapids, WI, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Wisconsin Garden Club Federation

    EIN 550873670 · Headquarters: Sparta, WI, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. Wisconsin Garden Club Federation

    EIN 680588750 · Headquarters: Superior, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Wisconsin Garden Club Federation

    EIN 743125407 · Headquarters: menonomee fls, WI, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Wisconsin Garden Club Federation

    EIN 770606214 · Headquarters: Brookfield, WI, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  40. Wisconsin Garden Club Federation

    EIN 800110396 · Headquarters: Sheboygan Falls, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Wisconsin Garden Club Federation

    EIN 800119858 · Headquarters: Milwaukee, WI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. Wisconsin Garden Club Federation

    EIN 830403560 · Headquarters: Oshkosh, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Wisconsin Garden Club Federation

    EIN 853755423 · Headquarters: Mount Horeb, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Wisconsin Garden Club Federation

    EIN 853770889 · Headquarters: Oshkosh, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Wisconsin Garden Club Federation

    EIN 873736650 · Headquarters: Wautoma, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Wisconsin Great Lakes Coalition Inc

    EIN 391588987 · Headquarters: OOSTBURG, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Wisconsin Green Building Alliance Inc

    EIN 391975747 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  48. Wisconsin Hardy Plant Society

    EIN 471868337 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Wisconsin Interfaith Power and Light Inc

    EIN 201278745 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Wisconsin Iris Society

    EIN 396098034 · Headquarters: Mequon, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Wisconsin Land and Water Conservation Association Inc

    EIN 391448749 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Wisconsin Land Conservation Foundation Inc

    EIN 208125413 · Headquarters: HARTFORD, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Wisconsin Local Government Climate Coalition Inc

    EIN 991914083 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Wisconsin Metro Audubon Society Inc

    EIN 391417077 · Headquarters: Franklin, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Wisconsin Nature Action Collaborative for Children

    EIN 811102000 · Headquarters: Waukesha, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Wisconsin Orchid Society Inc

    EIN 391290835 · Headquarters: MILWAUKEE, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Wisconsin Shoreland Alliance Inc

    EIN 831937875 · Headquarters: Sayner, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Wisconsin Solar Energy Industries Association Inc

    EIN 272818735 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  59. Wisconsin Sporting Alliance Foundation Inc

    EIN 863694699 · Headquarters: Sullivan, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Wisconsin Tribal Conservation Advisory Council Inc

    EIN 020778620 · Headquarters: OCONTO FALLS, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wisconsin Unit of the Herb Society of America Inc

    EIN 391425045 · Headquarters: Cedarburg, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Wisconsin Wastewater Operators Association Executives Group

    EIN 237302435 · Headquarters: WALES, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Wisconsin Water Conservation Coalition Inc

    EIN 270629674 · Headquarters: Waukesha, WI, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  64. Wisconsin Waterfowl Association Inc

    EIN 391463462 · Headquarters: WALES, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Wisconsin Wetlands Association Inc

    EIN 391852601 · Headquarters: Madison, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Wisconsin Wildlife Federation Inc

    EIN 391095827 · Headquarters: POYNETTE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Wisconsin Woodland Owners Association Incorporated

    EIN 391344158 · Headquarters: STEVENS POINT, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Wisconsin's Green Fire Incorporated

    EIN 823383564 · Headquarters: RHINELANDER, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wolf Run Association

    EIN 300519019 · Headquarters: Mazomanie, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Womens Horticultural Association

    EIN 262363196 · Headquarters: Greenville, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  71. Wood County Master Gardener Association

    EIN 271500265 · Headquarters: ARPIN, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Woodland Dunes Nature Center and Preserve Inc

    EIN 396084264 · Headquarters: TWO RIVERS, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Woodpile Foundation Inc

    EIN 842522471 · Headquarters: WAUPACA, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. Woodrow W Woods Education Tr

    EIN 546409374 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  75. Woods and Waters Sportsmens Club Inc

    EIN 510148800 · Headquarters: Lake Geneva, WI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  76. World Wide Needs Inc

    EIN 394242987 · Headquarters: JACKSON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Worthless Lots Land Conservancy Inc

    EIN 204388167 · Headquarters: Elkhorn, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Wpga Perc Inc

    EIN 391992445 · Headquarters: POYNETTE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wps Community Foundation Inc

    EIN 391852771 · Headquarters: Green Bay, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wwoa Foundation Inc

    EIN 391800424 · Headquarters: Burlington, WI, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  81. Yahara Pride Farms Inc

    EIN 611770827 · Headquarters: WAUNAKEE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Yellow Birch Conservation Union Inc

    EIN 861079544 · Headquarters: Monroe, WI, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. Yellow Lakes and River Assoc Inc

    EIN 391557126 · Headquarters: WEBSTER, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Yellow River Protection Conservancy Ltd

    EIN 873465299 · Headquarters: Trego, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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