Environment nonprofits

Environment nonprofits. Browse 35,718 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. Winston County Natural Resource Council

    EIN 932023605 · Headquarters: Double Springs, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Winston County Smith Lake Advocacy Inc

    EIN 320190875 · Headquarters: Arley, AL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Winter Garden Community Garden Project Inc

    EIN 264576547 · Headquarters: Winter Garden, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Winter Haven Federation of Lake Associations Inc

    EIN 591830075 · Headquarters: WINTER HAVEN, FL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  5. Winter Lakes Alliance Inc

    EIN 030461944 · Headquarters: Winter, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Winter Park Community Improvement Fund Inc

    EIN 822632801 · Headquarters: Winter Park, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Winter Park Land Trust Inc

    EIN 830558566 · Headquarters: WINTER PARK, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Winter Woods Lake Neighbors

    EIN 862344433 · Headquarters: Findlay, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Winters Conservancy

    EIN 680414614 · Headquarters: Dunnigan, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  10. Winters Harvest Homestead Inc

    EIN 392905554 · Headquarters: Oakland, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Winterset Park Garden Club

    EIN 550822189 · Headquarters: Lees Summit, MO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  12. Wintersville Ohio Beautification Committee Inc

    EIN 331794490 · Headquarters: Steubenville, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Winthrop Game Protective League Inc

    EIN 237392130 · Headquarters: Winthrop, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Winthrop Loves Trees Inc

    EIN 871617244 · Headquarters: Winthrop, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Winthrop School Restoration Inc

    EIN 710749002 · Headquarters: Winthrop, AR, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  16. Winton Public Facilities Corporation

    EIN 770492134 · Headquarters: WINTON, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  17. Winyah Rivers Foundation Inc

    EIN 571118288 · Headquarters: Conway, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Wiregrass RC&D COUNCIL

    EIN 570884303 · Headquarters: Ozark, AL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Wisconsin Asbestos Victims Network Inc

    EIN 462937404 · Headquarters: MADISON, WI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. Wisconsin Association for Environmental Education Inc

    EIN 391390520 · Headquarters: Stevens Point, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Wisconsin Association for Floodplain Stormwater & Coastal Ma

    EIN 262870320 · Headquarters: Cedarburg, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Wisconsin Association of Lakes Inc

    EIN 391926001 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wisconsin Association of Resource Conservation & Dev Councils Inc

    EIN 391838230 · Headquarters: RHINELANDER, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Wisconsin Bear Hunters Association Inc

    EIN 391506370 · Headquarters: BERLIN, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Wisconsin Bio Industry Alliance Inc

    EIN 204846948 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  26. Wisconsin Chapter of Land Improvement Contractors of America

    EIN 391510971 · Headquarters: SEYMOUR, WI, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  27. Wisconsin Chapter of the American Concrete Institute

    EIN 391876876 · Headquarters: Butler, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Wisconsin Clean Cities

    EIN 391820023 · Headquarters: Milwaukee, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Wisconsin Climbers Association

    EIN 823499538 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Wisconsin Conservation and Education Foundation Inc

    EIN 391937453 · Headquarters: Madison, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Wisconsin Conservation Voices Inc

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

  32. Wisconsin Conservative Energy Forum Inc

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

  33. Wisconsin Deer & Elk Farmers Foundation Inc

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

  34. 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

  35. Wisconsin Deerhunters Inc State Headquarters

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

  36. Wisconsin Distributed Resources Collaborative Inc

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

  37. Wisconsin Environment

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

  38. Wisconsin Environment Research & Policy Center Inc

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

  39. Wisconsin for Environmental Justice

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

  40. Wisconsin Friends of John Muir

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

  41. Wisconsin Garden Club Federation

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

  42. Wisconsin Garden Club Federation

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

  43. Wisconsin Garden Club Federation

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

  44. Wisconsin Garden Club Federation

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

  45. Wisconsin Garden Club Federation

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

  46. Wisconsin Garden Club Federation

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

  47. Wisconsin Garden Club Federation

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

  48. Wisconsin Garden Club Federation

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

  49. Wisconsin Garden Club Federation

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

  50. Wisconsin Garden Club Federation

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

  51. Wisconsin Garden Club Federation

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

  52. Wisconsin Garden Club Federation

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

  53. Wisconsin Garden Club Federation

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

  54. Wisconsin Garden Club Federation

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

  55. Wisconsin Garden Club Federation

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

  56. Wisconsin Garden Club Federation

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

  57. Wisconsin Garden Club Federation

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

  58. Wisconsin Garden Club Federation

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

  59. Wisconsin Garden Club Federation

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

  60. Wisconsin Garden Club Federation

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

  61. Wisconsin Garden Club Federation

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

  62. Wisconsin Garden Club Federation

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

  63. Wisconsin Garden Club Federation

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

  64. Wisconsin Garden Club Federation

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

  65. Wisconsin Garden Club Federation

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

  66. Wisconsin Garden Club Federation

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

  67. Wisconsin Garden Club Federation

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

  68. Wisconsin Garden Club Federation

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

  69. Wisconsin Garden Club Federation

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

  70. Wisconsin Garden Club Federation

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

  71. Wisconsin Garden Club Federation

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

  72. Wisconsin Garden Club Federation

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

  73. Wisconsin Garden Club Federation

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

  74. Wisconsin Garden Club Federation

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

  75. Wisconsin Garden Club Federation

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

  76. Wisconsin Great Lakes Coalition Inc

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

  77. Wisconsin Green Building Alliance Inc

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

  78. Wisconsin Hardy Plant Society

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

  79. Wisconsin Illinois Lily Society

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

  80. Wisconsin Interfaith Power and Light Inc

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

  81. Wisconsin Iris Society

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

  82. Wisconsin Land and Water Conservation Association Inc

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

  83. Wisconsin Land Conservation Foundation Inc

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

  84. Wisconsin Local Government Climate Coalition Inc

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

  85. Wisconsin Metro Audubon Society Inc

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

  86. Wisconsin Nature Action Collaborative for Children

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

  87. Wisconsin Orchid Society Inc

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

  88. Wisconsin Outdoor Alliance Foundation

    EIN 030545102 · Headquarters: MINNEAPOLIS, MN, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  89. Wisconsin Shoreland Alliance Inc

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

  90. Wisconsin Solar Energy Industries Association Inc

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

  91. Wisconsin Sporting Alliance Foundation Inc

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

  92. Wisconsin State Association of Life Underwriters

    EIN 237256291 · Headquarters: Cedar Falls, IA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  93. Wisconsin State Association of Life Underwriters

    EIN 510228588 · Headquarters: Cedar Falls, IA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. Wisconsin Sustainable Futures Network Inc

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

  95. Wisconsin Tribal Conservation Advisory Council Inc

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

  96. 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

  97. Wisconsin Wastewater Operators Association Executives Group

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

  98. Wisconsin Water Conservation Coalition Inc

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

  99. Wisconsin Waterfowl Association Inc

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

  100. Wisconsin Wetlands Association Inc

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

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