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. Southwest Citizens Area Council Inc

    EIN 341357405 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Sowing Communities Inc

    EIN 392115203 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Space Analytics

    EIN 992413940 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Spring in Our Steps

    EIN 463025644 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. St Bernard Garden Club

    EIN 882874360 · Headquarters: Saint Bernard, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. St Josephs Catholic Worker House

    EIN 510533984 · Headquarters: Troy, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. St Paris Graham Pee Wee Association

    EIN 262238730 · Headquarters: Saint Paris, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Stanley F Herman Charitable Trust Fbo

    EIN 386567488 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Stillwater Aquifer Portection Association

    EIN 311297481 · Headquarters: Troy, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  10. Stillwater Watershed Partners Llc

    EIN 883625820 · Headquarters: Piedmont, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Stillwater Watershed Project

    EIN 341915338 · Headquarters: GREENVILLE, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Stream & Wetland Group

    EIN 813566159 · Headquarters: SHARON CENTER, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Students Cutting Carbon Emissions Inc

    EIN 992718111 · Headquarters: Cleveland Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Suawa Associates

    EIN 341960079 · Headquarters: Euclid, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Summit County Master Gardeners

    EIN 341899736 · Headquarters: Akron, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Summit Metro Parks Foundation

    EIN 341683837 · Headquarters: AKRON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Sustain Ed

    EIN 842243954 · Headquarters: Medina, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Sustainability Central

    EIN 331336386 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sustainability for Educators and the Environment

    EIN 204992636 · Headquarters: KENT, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Sustainable Delaware Ohio

    EIN 462429389 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Sustainable Mariemont Inc

    EIN 394779455 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Sustainable Ohio

    EIN 311291870 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sustainable Wildlife Area Restoration Movement

    EIN 813155346 · Headquarters: Dover, OH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. Syrian Cultural Garden Foundation I

    EIN 331771788 · Headquarters: Chagrin Falls, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Taking Root Inc

    EIN 475280400 · Headquarters: Cincinnati, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Tascforce Inc

    EIN 842789939 · Headquarters: Hudson, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Teach Bae

    EIN 861265218 · Headquarters: Marion, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Tecumseh Land Preservation Association

    EIN 311313236 · Headquarters: YELLOW SPRINGS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Tenmile Farm and Nature Center

    EIN 871571718 · Headquarters: Sylvania, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Terradise Nature Center

    EIN 463311557 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. The Akron Garden Club

    EIN 346542204 · Headquarters: FAIRLAWN, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. The Bay Village Green Team Inc

    EIN 475423319 · Headquarters: BAY VILLAGE, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. The Bedford Garden Club

    EIN 341414707 · Headquarters: Bedford, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. The Blandair Foundation Inc

    EIN 522066684 · Headquarters: Centerville, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. The Bronson-norwalk Conservation League

    EIN 346611103 · Headquarters: Norwalk, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. The Burning River Foundation Inc

    EIN 134353786 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. The Clean Air Conservancy

    EIN 341728674 · Headquarters: ROCKY RIVER, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. The Cotswold Foundation

    EIN 316611702 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  39. The Cylinder Collective

    EIN 990567057 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. The Downtown Foundation Inc

    EIN 271663969 · Headquarters: Bowling Green, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. The Filtrexx Foundation

    EIN 204479560 · Headquarters: Medina, OH, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  42. The Friends of the Crooked River Inc

    EIN 341659940 · Headquarters: Akron, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. The Friends of the Richland County Parks District

    EIN 341447942 · Headquarters: MANSFIELD, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. The Garden Club of Cleveland

    EIN 341212000 · Headquarters: LYNDHURST, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. The Garden Club of Kent Inc

    EIN 341411457 · Headquarters: HUDSON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. The Grandview Garden Club

    EIN 310887038 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. The Hamilton Parks Conservancy

    EIN 472630181 · Headquarters: HAMILTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. The Herb Society of America Inc

    EIN 341596261 · Headquarters: KIRTLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Hillside Trust

    EIN 310986399 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Holden Arboretum

    EIN 340750346 · Headquarters: KIRTLAND, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. The James M Cox Jr Arboretum Foundation

    EIN 310711248 · Headquarters: DAYTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The Litterbugz

    EIN 900672776 · Headquarters: Broadview Heights, OH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  53. The Miami Sylvan Reserve

    EIN 934071080 · Headquarters: Piqua, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. The Mitsui Ranch Preserve Inc

    EIN 900731217 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. The Nectar Exchange

    EIN 850697341 · Headquarters: Lebanon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. The Ohio Environmental Council

    EIN 310805578 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. The Ohio Water Environment Association Inc

    EIN 310892817 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The Oxford Society

    EIN 311813008 · Headquarters: Oxford, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. The Remt Land Preservation Foundation Inc

    EIN 461476271 · Headquarters: NORTH ROYALTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Sam Wharram Nature Club Inc

    EIN 237390730 · Headquarters: ASHTABULA, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. The Scioto River Ohio Pullers Association

    EIN 451674928 · Headquarters: RICHWOOD, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. The Thurston High Heritage Association

    EIN 311105032 · Headquarters: BALTIMORE, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. The United States Wetland Conservatory Inc

    EIN 320185260 · Headquarters: MENTOR, OH, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  64. The Urban Tree Project

    EIN 850688342 · Headquarters: Columbus, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. The Village Green Foundation Inc

    EIN 300218912 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. The Wilderness Center Inc

    EIN 340943581 · Headquarters: WILMOT, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Thoreau Wildlife Reserve Inc

    EIN 475650292 · Headquarters: DEFIANCE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Three Rivers Conservation Club Inc

    EIN 264641924 · Headquarters: Defiance, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. Three Valley Conservation Trust

    EIN 311418241 · Headquarters: OXFORD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Thrun Foundation

    EIN 208869124 · Headquarters: Maumee, OH, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  71. Tiny Green Learning

    EIN 993525742 · Headquarters: Munroe Falls, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Together We Grow Inc

    EIN 464936087 · Headquarters: Newark, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Toledo GROWs Inc

    EIN 341350559 · Headquarters: Toledo, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Toledo Sub Mariners Inc

    EIN 341302065 · Headquarters: Genoa, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Top of Ohio Resource Conservation & Development Project

    EIN 341544891 · Headquarters: Bellefontaine, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. Toussaint River Watershed Conservancy

    EIN 853833243 · Headquarters: WESTLAKE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Town & Country Garden Club of E Palestine Ohio Inc

    EIN 651223962 · Headquarters: EAST PALESTINE, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Town and Country African Violet Society of Painesville

    EIN 341519421 · Headquarters: MENTOR, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  79. Town One Range One

    EIN 311565000 · Headquarters: Poland, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Transit Columbus

    EIN 300069916 · Headquarters: COLUMBUS, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Tree Day Services

    EIN 993759437 · Headquarters: Hudson, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Trees & Trails Foundation

    EIN 920485123 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Tri-county Protect Our Water Coalition

    EIN 341936045 · Headquarters: Beach City, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Tri-moraine Audubon Society

    EIN 341418306 · Headquarters: Lima, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Tropical Conservation Foundation

    EIN 311390846 · Headquarters: RUTLAND, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  86. Trout Unlimited

    EIN 237355256 · Headquarters: PERRYSBURG, OH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  87. Turner Farm Preservation Foundation Inc C/o Robert G Edmiston President

    EIN 452505826 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Turning Trash Into Triumph

    EIN 394887156 · Headquarters: Garfield Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Tusc C & M Rail Trails

    EIN 760718973 · Headquarters: Port Washington, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  90. Tuscarawas River Buried Valley Watershed Council

    EIN 205457614 · Headquarters: Waynesburg, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Tusclands

    EIN 920520967 · Headquarters: Dover, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Twin City Parks and Waterways Inc

    EIN 923506652 · Headquarters: Uhrichsville, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Twinsburg Native Habitat Association

    EIN 994958614 · Headquarters: Twinsburg, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Two Strong Trees Inc

    EIN 270308752 · Headquarters: WILLOUGHBY, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Ultimate Recycling Center Re Use Industries

    EIN 311390024 · Headquarters: THE PLAINS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Undivided Cleveland

    EIN 850844896 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Union Recyclers Inc

    EIN 311260544 · Headquarters: MARYSVILLE, OH, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  98. United Plant Savers

    EIN 030345256 · Headquarters: RUTLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Unstopppable Dreams

    EIN 850708207 · Headquarters: YOUNGSTOWN, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Upper Arlington Garden Club

    EIN 334004273 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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