Environment nonprofits in Maine

Environment nonprofits in Maine. Browse 497 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. Dark Sky Maine

    EIN 844756477 · Headquarters: Blue Hill, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Daughters of Isabella

    EIN 237513178 · Headquarters: Millinocket, ME, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Davis Conservation Foundation

    EIN 222976811 · Headquarters: YARMOUTH, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Declare Gods Wonders Inc

    EIN 043575281 · Headquarters: BRIDGTON, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Deering Center Neighborhood Association

    EIN 270305019 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Defend Our Health

    EIN 383791803 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Defend Our Health Action

    EIN 462520821 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Dei Real Estate Inc

    EIN 822933668 · Headquarters: BEALS ISLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Down East Resource Conservation & Development Council

    EIN 010369337 · Headquarters: Gouldsboro, ME, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Downeast Chapter of Maine Audubon

    EIN 222985019 · Headquarters: Ellsworth, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Downeast Coastal Conservancy

    EIN 010430078 · Headquarters: MACHIAS, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Downeast Lakes Land Trust

    EIN 010541131 · Headquarters: GRAND LAKE STREAM, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. East Pond Association

    EIN 010500413 · Headquarters: Smithfield, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Echo Lake Association Incorporated

    EIN 413722507 · Headquarters: Falmouth, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Ecoeducation Initiatives

    EIN 562334265 · Headquarters: Belfast, ME, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  16. Ecology Education Inc

    EIN 010522241 · Headquarters: Saco, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Ecotat Tr

    EIN 016131552 · Headquarters: Hermon, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Ecoventures Inc

    EIN 020472984 · Headquarters: kittery, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. Edgecomb Community Solar Farm Association

    EIN 473466724 · Headquarters: DAMARISCOTTA, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Elliotsville Foundation Inc

    EIN 134223002 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Empathy Data

    EIN 843767981 · Headquarters: YORK, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Environmental & Energy Technology Council of Maine

    EIN 562344993 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Environmental Bolivia

    EIN 201749464 · Headquarters: KENNEBUNK, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. EOPA Code Blue Water Solutions

    EIN 901502303 · Headquarters: Solon, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Estia the International Ecopeace Community

    EIN 201967450 · Headquarters: Bangor, ME, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Evergreen Garden Club Inc

    EIN 912134474 · Headquarters: Deer Isle, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Exemplary Forestry Management Inc

    EIN 881027039 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Experiential Collective

    EIN 823324300 · Headquarters: phippsburg, ME, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Falmouth Conservation Trust Dba Falmouth Land Trust

    EIN 010372429 · Headquarters: FALMOUTH, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Farm Tomorrow

    EIN 451453079 · Headquarters: GOULDSBORO, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Fly Fishing in Maine Inc

    EIN 204197368 · Headquarters: Yarmouth, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Flying Pond Improvement Association

    EIN 010534203 · Headquarters: Mount Vernon, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Foothills Land Conservancy Inc

    EIN 010513589 · Headquarters: WILTON, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Forest Ecology Network

    EIN 010512127 · Headquarters: Lexington twp, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Forest Lake Association

    EIN 010476905 · Headquarters: Gray, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Forest Society of Maine

    EIN 020413555 · Headquarters: Bangor, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Fork Food Lab

    EIN 454116596 · Headquarters: South Portland, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Forks Area Trails Club

    EIN 472174459 · Headquarters: THE FORKS PLT, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Francis Small Heritage Trust Inc

    EIN 223055540 · Headquarters: Limerick, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Frank Knight Foundation

    EIN 832654252 · Headquarters: Yarmouth, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Frenchman Bay Conservancy

    EIN 222849309 · Headquarters: Hancock, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Friends of Acadia

    EIN 010425071 · Headquarters: Bar Harbor, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Friends of Aroostook National Wildlife Refuge Inc

    EIN 202535947 · Headquarters: LIMESTONE, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Friends of Baxter State Park

    EIN 010535846 · Headquarters: Belfast, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Friends of Blue Hill Bay

    EIN 010536513 · Headquarters: Blue Hill, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Friends of Bradbury Mountain

    EIN 261855390 · Headquarters: Brunswick, ME, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Friends of Casco Bay

    EIN 010452620 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Friends of Coastal Preservation

    EIN 010535011 · Headquarters: Westport Island, ME, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  49. Friends of Craig Brook Incorporated

    EIN 010506346 · Headquarters: East Orland, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Friends of Cross Lake

    EIN 831654968 · Headquarters: Cross Lake, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Friends of Deering Oaks

    EIN 043383229 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Friends of Forest Lodge Inc

    EIN 208889098 · Headquarters: Auburn, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Friends of Fort Sumner Park

    EIN 821674436 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Friends of Hog Island Aka Fohi

    EIN 273608853 · Headquarters: BREMEN, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Friends of Lake Winnecook Inc

    EIN 862830174 · Headquarters: Unity, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Friends of Lakeside Drive

    EIN 260718428 · Headquarters: acton, ME, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Friends of Linekin Bay

    EIN 455498419 · Headquarters: Damariscotta, ME, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  58. Friends of Lower and Middle Lead Mountain Ponds

    EIN 453635502 · Headquarters: HAMPDEN, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Friends of Maine State Parks

    EIN 010512411 · Headquarters: Winthrop, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Friends of Maines Mountains

    EIN 271269484 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Friends of Merrymeeting Bay

    EIN 223129007 · Headquarters: RICHMOND, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Friends of Messalonskee

    EIN 010465774 · Headquarters: OAKLAND, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Friends of Monson Pond

    EIN 881497897 · Headquarters: Fort Fairfield, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Friends of Mount Agamenticus

    EIN 833131391 · Headquarters: Cape Neddick, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Friends of Muscongus Bay

    EIN 465190042 · Headquarters: Chamberlain, ME, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Friends of Quimby Pond

    EIN 454645806 · Headquarters: Rangeley, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Friends of Rachel Carson National Wildlife Refuge

    EIN 010452317 · Headquarters: Kennebunk, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Friends of Richardson

    EIN 510613859 · Headquarters: Rumford, ME, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Friends of Scarborough Marsh

    EIN 010534850 · Headquarters: SCARBOROUGH, ME, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  70. Friends of Sears Island

    EIN 204814487 · Headquarters: SEARSPORT, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Friends of Sebago Lake Inc

    EIN 010473696 · Headquarters: Fryeburg, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. Friends of Shapleigh Pond

    EIN 392856509 · Headquarters: West Newfield, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of St George

    EIN 542076187 · Headquarters: Tenants Harbor, ME, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Friends of Sunkhaze Meadows National Wildlife Refuge

    EIN 010528944 · Headquarters: Milford, ME, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. Friends of Taunton Bay

    EIN 611454478 · Headquarters: Hancock, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Friends of the Boundary Mountains Inc

    EIN 010499668 · Headquarters: Farmington, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Friends of the Cobbossee Watershed

    EIN 010545442 · Headquarters: EAST WINTHROP, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Friends of the Harriet L Hartley Conservation Area

    EIN 843009472 · Headquarters: BELFAST, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Friends of the Kennebec River Rail Trail Inc

    EIN 010508136 · Headquarters: AUGUSTA, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Friends of the Many Rivers Program

    EIN 010452027 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Friends of the Presumpscot River

    EIN 010472214 · Headquarters: Westbrook, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Friends of Tim Pond

    EIN 831119930 · Headquarters: EUSTIS, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Friends of Walker Pond

    EIN 010449792 · Headquarters: Brooksville, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Friends of Western Promenade

    EIN 825509525 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Friends of Wilson Lake

    EIN 010455202 · Headquarters: WILTON, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Friends of Worthley Pond Inc

    EIN 823869456 · Headquarters: Peru, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Garden Club Federation of Maine

    EIN 010373145 · Headquarters: Cape Neddick, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Garden Club Federation of Maine Inc

    EIN 010341325 · Headquarters: Falmouth, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Garden Club Federation of Maine Inc

    EIN 010393829 · Headquarters: Newport, ME, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  90. Garden Club Federation of Maine Inc

    EIN 010445612 · Headquarters: BUXTON, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Garden Club Federation of Maine Inc

    EIN 010491884 · Headquarters: Cumberland Foreside, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Garden Club Federation of Maine Inc

    EIN 010536236 · Headquarters: Scarborough, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Garden Club Federation of Maine Inc

    EIN 016012332 · Headquarters: Milo, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Garden Club Federation of Maine Inc

    EIN 016018812 · Headquarters: Bath, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Garden Club Federation of Maine Inc

    EIN 016045435 · Headquarters: York, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Garden Club Federation of Maine Inc

    EIN 134311945 · Headquarters: Hampden, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Garden Club Federation of Maine Inc

    EIN 364704463 · Headquarters: WILTON, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Garden Club Federation of Maine Inc

    EIN 770673118 · Headquarters: Medford, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  99. Garden Club Federation of Maine Inc

    EIN 900576958 · Headquarters: MONMOUTH, ME, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  100. Garden Club of Wiscasset Inc

    EIN 222541495 · Headquarters: Wiscasset, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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