Environment nonprofits in Montana

Environment nonprofits in Montana. Browse 390 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. Eastern Montana Wilderness Park

    EIN 300090123 · Headquarters: Geraldine, MT, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. Echo Lake Trails Association

    EIN 471519617 · Headquarters: ANACONDA, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ecocheyenne

    EIN 371781106 · Headquarters: Lame Deer, MT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  4. Ecology Project International

    EIN 912163952 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Ecosystem Management Research Institute

    EIN 820520577 · Headquarters: Seeley Lake, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Egan Slough Community

    EIN 815152128 · Headquarters: Kalispell, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Environmental Health Sciences

    EIN 880663738 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Eureka Riverwalk Foundation Inc

    EIN 800008715 · Headquarters: Eureka, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Families for a Livable Climate

    EIN 920265517 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Family Forestry Expo C/o Rod Leese

    EIN 810463519 · Headquarters: Kalispell, MT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. Field Data Technologies Inc

    EIN 853343860 · Headquarters: ESSEX, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Filmmakers for Conservation

    EIN 464242260 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Five Valleys Land Trust

    EIN 237182055 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Flathead Audubon Society

    EIN 810447830 · Headquarters: KALISPELL, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Flathead Lake Protection Association

    EIN 810405245 · Headquarters: LAKESIDE, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Flathead Lakers Inc

    EIN 810192810 · Headquarters: Polson, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Flathead Land Trust

    EIN 363479966 · Headquarters: KALISPELL, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Flathead Rivers Alliance

    EIN 844763768 · Headquarters: WHITEFISH, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Flathead Waterkeeper Inc

    EIN 922804895 · Headquarters: Somers, MT, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Flathead Wildlife Inc

    EIN 810443404 · Headquarters: Kalispell, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Flathead-lolo-bitterroot Citizen Task Force

    EIN 842503224 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Forest Stewardship Foundation

    EIN 810482914 · Headquarters: LIBBY, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Forestry Club of Montana

    EIN 816014096 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. Four Corners Community Foundation

    EIN 200482770 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  25. Friends of Beaver Creek Park Inc

    EIN 454039902 · Headquarters: HAVRE, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Friends of East Rosebud

    EIN 461575800 · Headquarters: Roscoe, MT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Friends of Lake Five Inc

    EIN 850732711 · Headquarters: Kalispell, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Friends of Madison Buffalo Jump

    EIN 464259157 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Friends of Missoula Parks Inc

    EIN 810570189 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Friends of Montana Streams and Rivers

    EIN 991936601 · Headquarters: West Glacier, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Friends of Park County

    EIN 854085391 · Headquarters: Livingston, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Friends of Red Rock Lakes National Wildlife Refuge

    EIN 821314441 · Headquarters: Belgrade, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Friends of the Bitterroot Inc

    EIN 810468878 · Headquarters: HAMILTON, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Friends of the Flathead River

    EIN 881210349 · Headquarters: COLUMBIA FALLS, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Friends of the Lee Metcalf Ntl Wild

    EIN 810643121 · Headquarters: Stevensville, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Friends of the Missouri Breaks Monument

    EIN 364647947 · Headquarters: HELENA, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Friends of the Teton River

    EIN 263215925 · Headquarters: Fort Benton, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Friends of Thompson Park

    EIN 852755715 · Headquarters: Butte, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of Two Rivers Inc

    EIN 331030665 · Headquarters: Milltown, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Future West Inc

    EIN 271277635 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Gallatin County Community Coalition

    EIN 994044683 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Gallatin River Task Force

    EIN 743127146 · Headquarters: Big Sky, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Gallatin Valley Aquifer Preservation Coalition

    EIN 822238059 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. Gallatin Valley Back Country Horsemen

    EIN 262750464 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Gallatin Valley Land Trust

    EIN 810464513 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Gallatin Valley Snowmobile Association

    EIN 800045999 · Headquarters: Bozeman, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Gallatin Water Trust

    EIN 874398886 · Headquarters: BOZEMAN, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Gallatin Watershed Council Inc

    EIN 134293305 · Headquarters: Bozeman, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Gallatin Yellowstone Wilderness Alliance

    EIN 842591897 · Headquarters: BOZEMAN, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Gateway Conservation Alliance

    EIN 932210609 · Headquarters: Gallatin Gateway, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Glacier Institute Inc

    EIN 363345632 · Headquarters: COLUMBIA FALLS, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Glacier National Park Associates Inc

    EIN 810462166 · Headquarters: Kalispell, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Glacier Natural History Association

    EIN 810268649 · Headquarters: WEST GLACIER, MT, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  54. Glendive Community Garden

    EIN 862847459 · Headquarters: Glendive, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Glendive Recycles Our Waste Inc

    EIN 843846957 · Headquarters: GLENDIVE, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Globalwarming Solution Org

    EIN 113707699 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  57. Go Zero Inc

    EIN 991567463 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Gold Country Montana Master Gardener Association

    EIN 822924800 · Headquarters: Helena, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Golden Years Gardening Inc

    EIN 300729736 · Headquarters: HELENA, MT, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Grass Valley French Ditch Company

    EIN 862774668 · Headquarters: FRENCHTOWN, MT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  61. GREAT BURN STUDY GROUP Dba Great Burn Conservation Alliance

    EIN 550790103 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Great Divide Orchid Society

    EIN 311606335 · Headquarters: EAST HELENA, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Great Northern Environmental Stewardship Area Inc

    EIN 274313046 · Headquarters: Columbia Falls, MT, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  64. Grow Wild Inc

    EIN 465544351 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Hans Saari Memorial Fund

    EIN 205847925 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Harlem Civic Association

    EIN 753196149 · Headquarters: Harlem, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Headwaters Economics Inc

    EIN 743171967 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Headwaters Land Conservancy

    EIN 383183846 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Headwaters RC&D

    EIN 237380551 · Headquarters: Butte, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Headwaters Trail System

    EIN 208266086 · Headquarters: Three Forks, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Heart of the Rockies Foundation

    EIN 863893685 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Heart of the Rockies Initiative

    EIN 463635624 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Holms Energy Development Foundation

    EIN 463553079 · Headquarters: Helena, MT, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Home Resource Inc

    EIN 900125541 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Honor the Earth

    EIN 454714238 · Headquarters: LAME DEER, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Institute of the Rockies

    EIN 237368583 · Headquarters: corvallis, MT, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  77. Jefferson River Watershed Council

    EIN 753187694 · Headquarters: WHITEHALL, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Joes Trail

    EIN 810530397 · Headquarters: CASCADE, MT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Keep Cascade County Beautiful

    EIN 414382279 · Headquarters: Cascade, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Keep Miles City Beautiful

    EIN 900622503 · Headquarters: Miles City, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Keep Montana Green Association

    EIN 816014376 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. Keeping Frenchtown

    EIN 394281531 · Headquarters: FRENCHTOWN, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Kila Smith Lake Community Development Coalition

    EIN 208409012 · Headquarters: Kila, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Kootenai Forest Stakeholders Coalition

    EIN 205949204 · Headquarters: Plains, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Kootenai River Network

    EIN 810500605 · Headquarters: Libby, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Lake Helena Watershed Group

    EIN 371935148 · Headquarters: HELENA, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Laurel Garden Club

    EIN 834363654 · Headquarters: Billings, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Lemhi River Salmon Recovery Foundation Inc

    EIN 810527608 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  89. Libby Community Garden Inc

    EIN 824937404 · Headquarters: Libby, MT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Libby Dam Cooperative Assn Inc

    EIN 810517387 · Headquarters: Libby, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Libby Outdoor Recreation Association

    EIN 874637399 · Headquarters: Libby, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Lions Ridge

    EIN 331027546 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  93. Little Bitteroot Lake Association Inc

    EIN 810454006 · Headquarters: Marion, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Little Dry Water Users Association

    EIN 810415456 · Headquarters: Angela, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Lolo Watershed Group

    EIN 421664057 · Headquarters: LOLO, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Lowbagger Foundation

    EIN 204599729 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  97. Lower Clark Fork Watershed Group

    EIN 412136925 · Headquarters: Thompson Falls, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Madison River Foundation

    EIN 562333733 · Headquarters: ENNIS, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Madison Valley Ranchlands Group

    EIN 311646307 · Headquarters: MCALLISTER, MT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Make My House Green

    EIN 770715660 · Headquarters: Missoula, MT, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

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