Environment nonprofits in Wyoming

Environment nonprofits in Wyoming. Browse 187 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. 604 Laramie Valley Chapter of Trout Unlimited

    EIN 521766007 · Headquarters: LARAMIE, WY, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. Advocates for Multi Use of Public Lands

    EIN 821240428 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Albany County Conservancy

    EIN 852924461 · Headquarters: LARAMIE, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Albany County Research Corporation

    EIN 830332670 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Alliance for Historic Wyoming Inc

    EIN 364578284 · Headquarters: CHEYENNE, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. American Fuel and Petrochemical Initiative

    EIN 923316884 · Headquarters: Cheyenne, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Astoria Park Conservancy

    EIN 825250433 · Headquarters: Jackson, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Back Country Horsemen of America

    EIN 830311954 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Betty & Bill Luker Nature Conservancy Inc

    EIN 261605581 · Headquarters: Casper, WY, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  10. Big Horn Basin of Wyoming Resource Conservation & Development

    EIN 237404400 · Headquarters: RIVERTON, WY, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Big Horn River Development Company

    EIN 830301857 · Headquarters: THERMOPOLIS, WY, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. Bighorn Audubon Society

    EIN 237079710 · Headquarters: SHERIDAN, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Bighorn Mountain Crawlers Inc

    EIN 933698706 · Headquarters: SHERIDAN, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Blue Water Reef Inc

    EIN 833646484 · Headquarters: CHEYENNE, WY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Bumi Indah LLC

    EIN 843669809 · Headquarters: Sheridan, WY, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  16. Casper Community Greenhouse Project

    EIN 460968958 · Headquarters: CASPER, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Casper Mountain Preservation Alliance

    EIN 992194099 · Headquarters: CASPER, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Chalten Trust

    EIN 886576331 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Circle Ew Ranch Conservancy Foundation

    EIN 830317657 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. Citizens United for Responsible Energy Development

    EIN 300528462 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. City of Buffalo Charitable Foundation

    EIN 830276382 · Headquarters: BUFFALO, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Climate Content Foundation Inc

    EIN 922357372 · Headquarters: Wilson, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Cloud Peak Back Country Horsemen

    EIN 830299647 · Headquarters: Buffalo, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Colorado Indoor Air Coalition

    EIN 841553190 · Headquarters: Cheyenne, WY, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Community Pride Foundation

    EIN 830318557 · Headquarters: Torrington, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Council for the Bighorn Range

    EIN 474092992 · Headquarters: Sheridan, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Dubois Anglers-wildlife Group Inc

    EIN 680569622 · Headquarters: DUBOIS, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Earl Foundation

    EIN 461018753 · Headquarters: Powell, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Educational Frontiers Institute

    EIN 832437989 · Headquarters: LANDER, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Engineer Action Rising

    EIN 933394722 · Headquarters: SHERIDAN, WY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Friends Alliance

    EIN 931729933 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Friends of Dubois Badlands

    EIN 301279728 · Headquarters: Dubois, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Friends of Fossil Fuels C/o Shawnna Punteney

    EIN 812859942 · Headquarters: CASPER, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Friends of the Bridger-teton

    EIN 833146987 · Headquarters: Jackson, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Friends of the Cheyenne Botanic Gardens

    EIN 830302260 · Headquarters: Cheyenne, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Friends of the Early Intervention Program of the Wind River Child

    EIN 830328888 · Headquarters: Fort Washakie, WY, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. Friends of the Jackson National Fish Hatchery

    EIN 331239438 · Headquarters: Jackson, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Friends of the Medicine Bow Rail Trail

    EIN 832191949 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of the Red Desert

    EIN 332582976 · Headquarters: LANDER, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Granite Canon Environmental Committee

    EIN 270084188 · Headquarters: Granite Canon, WY, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  41. Gravel Road Society

    EIN 813413921 · Headquarters: Moos, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Greater Sage Grouse Recovery Foundation Inc

    EIN 394452980 · Headquarters: POWELL, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Green Forests Foundation

    EIN 333466847 · Headquarters: Sheridan, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Green River Greenbelt Task Force

    EIN 830297926 · Headquarters: GREEN RIVER, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Green River Valley Land Trust

    EIN 830332208 · Headquarters: PINEDALE, WY, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  46. Guardians of the Range

    EIN 412125611 · Headquarters: BUFFALO, WY, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  47. Healthy Air Research and Certification Authority Inc

    EIN 810706431 · Headquarters: CHEYENNE, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Holdfast Trust

    EIN 886574046 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Impacting Communities United

    EIN 993874054 · Headquarters: SHERIDAN, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. International Rocky Mountain Stage Stop Sled Dog Race

    EIN 830314194 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Interstate Council on Water Policy

    EIN 466182482 · Headquarters: CHEYENNE, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Izaak Walton League of America Inc

    EIN 836006547 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  53. Jackson Hole Center for Global Affairs Inc

    EIN 300075389 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Jackson Hole Conservation Alliance

    EIN 830245647 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Jackson Hole Land Trust

    EIN 742138785 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Jackson Hole One Fly Capital Foundation

    EIN 300184388 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  57. Jackson Hole One Fly Foundation

    EIN 830307408 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Jh Climate Action Collective

    EIN 852338698 · Headquarters: Jackson, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Keep Yellowstone Nuclear Free a Wyoming Nonprofit Corporation

    EIN 830327303 · Headquarters: JACKSON, WY, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Kuju Foundation

    EIN 993573359 · Headquarters: BUFFALO, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Lander Climate Action Network

    EIN 862494350 · Headquarters: Lander, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Laramie Audubon Society

    EIN 830328469 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Laramie Basin Land Coalition

    EIN 873291808 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Laramie Garden Club

    EIN 843478672 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Life After Life Foundation

    EIN 883948515 · Headquarters: Gillette, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Listen Foundation

    EIN 333625886 · Headquarters: Sheridan, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Lsrv Mosquito Control Inc

    EIN 923376058 · Headquarters: BAGGS, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Main Street Pinedale

    EIN 274524363 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Meadowlark Audubon Society

    EIN 830325510 · Headquarters: Cody, WY, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Mountain Man Back Country Horsemen

    EIN 262141600 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. Mountain Pursuit

    EIN 831590622 · Headquarters: Jackson, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Muley Fanatic Foundation of Wyoming Inc

    EIN 453578215 · Headquarters: GREEN RIVER, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Murie Audubon Society

    EIN 237056952 · Headquarters: Casper, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Muslim Delegates and Allies

    EIN 852928762 · Headquarters: Sheridan, WY, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. National Association of Abandoned Mine Land Programs

    EIN 830310654 · Headquarters: CHEYENNE, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. National Historic Trails Center Foundation Inc

    EIN 830299201 · Headquarters: CASPER, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Natrona County Master Gardeners

    EIN 710903364 · Headquarters: Casper, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Niobrara Enhancement Enterprises

    EIN 841385077 · Headquarters: LUSK, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Nols

    EIN 830204184 · Headquarters: Lander, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. North Fork Citizens for Responsible

    EIN 201981611 · Headquarters: WAPITI, WY, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  81. North Ocean Lake Water Association Inc

    EIN 465494662 · Headquarters: Pavillion, WY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. North Platte River Foundation Inc C/o Beau Covert

    EIN 472017399 · Headquarters: CASPER, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Northern Laramie Range Foundation

    EIN 271325003 · Headquarters: CASPER, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Old Trapper Memorial Tree Park

    EIN 263158113 · Headquarters: Alpine, WY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  85. Park County Citizens for Sustainability

    EIN 332247334 · Headquarters: Cody, WY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Park County Nordic Ski Association

    EIN 830311657 · Headquarters: CODY, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Park County Weed Management Inc

    EIN 204116675 · Headquarters: Powell, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Pathfinder Back Country Horsemen Of

    EIN 830337291 · Headquarters: Mills, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Paul G Etchepare Jr Trust Endowment Fbo Laramie Beautification Committee

    EIN 846572506 · Headquarters: SHERIDAN, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Permaculture Planet US NGO Foundation

    EIN 923357802 · Headquarters: Sheridan, WY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Pilot Hill Inc

    EIN 364963034 · Headquarters: LARAMIE, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Plastic-free Tristomo

    EIN 993418471 · Headquarters: Sheridan, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Powder River Basin Resource Council

    EIN 742183158 · Headquarters: SHERIDAN, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Powell Valley Recycling

    EIN 300537372 · Headquarters: POWELL, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Protect Our Water Jackson Hole Inc

    EIN 465538680 · Headquarters: WILSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Pursue Balance

    EIN 208039734 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  97. Px3-pollinators Prospering People- Inc

    EIN 474256869 · Headquarters: CHEYENNE, WY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Raffles Sdg Fund

    EIN 320827721 · Headquarters: Cheyenne, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Rangeland Institute

    EIN 200411600 · Headquarters: Big Piney, WY, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  100. Ray Lovato Recycling Center

    EIN 821797971 · Headquarters: ROCK SPRINGS, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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