Environment nonprofits in Ohio

Environment nonprofits in Ohio. Browse 961 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. Dorothy Kountz Ir Fbo Garden Club of Ohio

    EIN 656281764 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  2. Downtown Lancaster Special Improvement District Inc

    EIN 810651589 · Headquarters: LANCASTER, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Doxa Research Group Inc

    EIN 872994083 · Headquarters: Brookville, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Dportt Recycling

    EIN 833686623 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Ducks Unlimited Inc

    EIN 203133120 · Headquarters: McConnelsville, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. Duncan Falls Horticultural Assoc

    EIN 881312068 · Headquarters: PHILO, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Earth Action Partnership Inc

    EIN 341608580 · Headquarters: ZOAR, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Earth at Heart

    EIN 271480164 · Headquarters: BEACHWOOD, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Earth Day Coalition

    EIN 341667267 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  10. East Africa Clean Water Org

    EIN 471183633 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. East Central Ohio Audubon Society

    EIN 311368900 · Headquarters: Granville, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. East Green Foundation

    EIN 833391824 · Headquarters: TIFFIN, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. East Shore Garden Club

    EIN 341605744 · Headquarters: Euclid, OH, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. Eco Environmental Community Organization

    EIN 311576967 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Eco-friendly Jobs Employment and Training Llc

    EIN 320500210 · Headquarters: Shaker Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Ecotenet

    EIN 931918021 · Headquarters: millfield, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Ecowatch Inc

    EIN 270130422 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  18. Ecowice Foundation

    EIN 392457699 · Headquarters: NEW MARSHFLD, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Edenculture

    EIN 832788025 · Headquarters: TORONTO, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Eileen Eileen International Bio Diversity Conservation Inc

    EIN 320112033 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  21. Entrepreneurs for Sustainability

    EIN 202031572 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990

  22. Environment Ohio Research & Policy Center Inc

    EIN 562616863 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Environmental Education Council of Oh in C/o Brenda Metcalf

    EIN 311011605 · Headquarters: LANCASTER, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Environmental Experiences Inc

    EIN 341646573 · Headquarters: WOOSTER, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Environmental Health Watch

    EIN 341443935 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Environmental Research & Management Inc

    EIN 201260445 · Headquarters: Brookville, OH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. Erie Marsh Conservation Foundation

    EIN 883857821 · Headquarters: PERRYSBURG, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Eriesponsible Inc

    EIN 831496676 · Headquarters: Westlake, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Even Cities Need Trees

    EIN 393739444 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Explore Buckeye Lake Corporation

    EIN 833702761 · Headquarters: Millersport, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Fact-faith Communities Together for a Sustainable Future

    EIN 473297098 · Headquarters: Mentor, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Fairfield Land Preservation Association

    EIN 203764563 · Headquarters: Lancaster, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Fairview Park Civic Beautification

    EIN 932619334 · Headquarters: Fairview Park, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Fairview Park Green Team

    EIN 931598150 · Headquarters: Fairview Park, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. Family Safe

    EIN 923115561 · Headquarters: Bedford Heights, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Family Well Project

    EIN 932206355 · Headquarters: Athens, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Fdn for Community Biodiversity Revitalization & Sustainability

    EIN 833612865 · Headquarters: Stow, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Federated Garden Clubs of Cincinnati and Vicinity

    EIN 310965112 · Headquarters: Terrace Park, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ferncliff Foundation

    EIN 933199623 · Headquarters: SPRINGFIELD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Firelands Audubon Society

    EIN 237405283 · Headquarters: Sandusky, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. For All Species Education

    EIN 811221478 · Headquarters: Westerville, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Forest Park Firefighter-police Officer Monument Fund

    EIN 200695685 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  43. Forestfern Inc

    EIN 264553646 · Headquarters: Pepper Pike, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Fork and Hoe Garden Club

    EIN 521316070 · Headquarters: Aurora, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Foundation for Affordable Drinking Water

    EIN 522379363 · Headquarters: WESTERVILLE, OH, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  46. Foundation for Environmental Education

    EIN 311426752 · Headquarters: Columbus, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Foundation for Geauga Parks

    EIN 341677366 · Headquarters: CHESTERLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Foundation for Ohio River Education

    EIN 300231858 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Four Square Block Watch

    EIN 341679008 · Headquarters: Youngstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Four Symbolic Lodges and Chapters

    EIN 453604451 · Headquarters: Cleveland, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Franklin County Pollinator Pathway

    EIN 331463843 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Friend of Punderson State Park

    EIN 203382115 · Headquarters: Newbury Township, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Friends of Adams County 4-H & Extension

    EIN 862213979 · Headquarters: Peebles, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Friends of Alum Creek and Tributaries

    EIN 311710206 · Headquarters: Bexley, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Friends of Aullwood Inc

    EIN 310968010 · Headquarters: Dayton, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Friends of Barkcamp

    EIN 474446321 · Headquarters: Bellaire, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Friends of Big Creekakabig Creek Connects

    EIN 611606049 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  58. Friends of Brunswick Parks Inc

    EIN 393701947 · Headquarters: BRUNSWICK, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Friends of Buck Creek Inc

    EIN 455579084 · Headquarters: SPRINGFIELD, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Friends of Caesar Creek

    EIN 311295670 · Headquarters: WAYNESVILLE, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Friends of Caldwell Vfw 4721

    EIN 883969402 · Headquarters: Caldwell, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Friends of Canton Parks and Recreation

    EIN 920235757 · Headquarters: Canton, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Friends of Cascade Park Inc

    EIN 311561217 · Headquarters: Elyria, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Friends of Columbus and Franklin County Metro Parks

    EIN 262332568 · Headquarters: WESTERVILLE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Friends of Conneaut Creek Inc

    EIN 450512586 · Headquarters: Conneaut, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Friends of Coopers Woods

    EIN 823170969 · Headquarters: PUT IN BAY, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. Friends of Deer Creek Inc

    EIN 731717415 · Headquarters: Mount Sterling, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Friends of Euclid Creek

    EIN 300142945 · Headquarters: South Euclid, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Friends of Findley State Park Inc

    EIN 510524482 · Headquarters: Wellington, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Friends of Harrison Lake State Park Inc

    EIN 341897475 · Headquarters: Archbold, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Friends of Heights Parks

    EIN 874185924 · Headquarters: Cleveland Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Horseshoe Lake

    EIN 873535169 · Headquarters: SHAKER HTS, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of Hudson Parks

    EIN 320415552 · Headquarters: Hudson, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Friends of Independence Dam State Park

    EIN 833115223 · Headquarters: Defiance, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Friends of Lake Katharine

    EIN 822289667 · Headquarters: Jackson, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Friends of Lakelands Inc

    EIN 871052669 · Headquarters: WARREN, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Friends of Liberia Food and Water

    EIN 811395986 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Friends of Lower Muskingum River

    EIN 421554146 · Headquarters: Marietta, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Friends of Madison County Parks & Trails

    EIN 311756577 · Headquarters: LONDON, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Friends of Magee Marsh Association Inc

    EIN 341856807 · Headquarters: PORT CLINTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Friends of Maumee Bay State Park

    EIN 341796290 · Headquarters: OREGON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Friends of Medina County Oh Dog Shelter

    EIN 991707580 · Headquarters: MEDINA, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Friends of Medina County Parks Inc

    EIN 341833809 · Headquarters: Medina, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Friends of Mercy Siena Woods

    EIN 311385604 · Headquarters: KETTERING, OH, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  85. Friends of Metroparks of Butler County

    EIN 463299413 · Headquarters: Hamilton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Friends of Monteverde Cloud Forest Reserve

    EIN 311299922 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Friends of Old Woman Creek Association Inc

    EIN 311558031 · Headquarters: Huron, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Friends of Pymatuning State Park

    EIN 931608312 · Headquarters: WILLIAMSFIELD, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  89. Friends of Sandusky Greenhouse Inc

    EIN 273410168 · Headquarters: Sandusky, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Friends of Scioto Brush Creek Inc

    EIN 030583970 · Headquarters: Otway, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Friends of Secrest Aboretum

    EIN 341787692 · Headquarters: WOOSTER, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Friends of Seneca County Park District

    EIN 341934859 · Headquarters: Tiffin, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Friends of Seymour Woods Inc

    EIN 311601291 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  94. Friends of Stark Parks

    EIN 341843257 · Headquarters: Canton, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Friends of Sunrock Farm Inc

    EIN 611205381 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. Friends of the Asa Wright Nature Centre Inc

    EIN 010832520 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Friends of the Clark County Park District

    EIN 311303190 · Headquarters: Springfield, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Friends of the Conservatory

    EIN 311657027 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Friends of the Great Miami

    EIN 311669293 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Friends of the Kokosing Scenic River

    EIN 922558821 · Headquarters: Mount Vernon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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