Environment nonprofits in Indiana

Environment nonprofits in Indiana. Browse 650 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. Renewables for Community Empowerment Inc

    EIN 992992062 · Headquarters: Greenfield, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Rensselaer Urban Forestry Council Inc

    EIN 271453632 · Headquarters: Rensselaer, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. ReTHink Inc

    EIN 475214465 · Headquarters: Terre Haute, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Return to Vital Roots Inc

    EIN 332102068 · Headquarters: New Albany, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Reuse It Inc

    EIN 845058020 · Headquarters: INDIANAPOLIS, IN, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Roanoke Beautification Foundation Inc

    EIN 352073148 · Headquarters: Roanoke, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Sage Valley Inc

    EIN 824612301 · Headquarters: WORTHINGTON, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Saint Beatrice Heart for the World Inc

    EIN 611599366 · Headquarters: PERU, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. San Pierre Parks & Recreation Society

    EIN 843335277 · Headquarters: San Pierre, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sargent Road Association Foundation Inc

    EIN 842133652 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Save Lake Annandale Inc

    EIN 205956740 · Headquarters: NASHVILLE, IN, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Save Maumee Grassroots Organization Inc

    EIN 464159838 · Headquarters: FORT WAYNE, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Save Our Knobs Inc

    EIN 351959824 · Headquarters: FLOYDS KNOBS, IN, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  14. Save the Dunes

    EIN 351915468 · Headquarters: Beverly Shores, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Science Barn Inc

    EIN 812168375 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Seed to Save Inc

    EIN 264723437 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Shafer & Freeman Lakes Environmental Conservation Corp

    EIN 351863827 · Headquarters: MONTICELLO, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Shipshewana Community Lake Improvem Ent Association

    EIN 351766324 · Headquarters: SHIPSHEWANA, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Shirley Heinze Land Trust Inc

    EIN 352153969 · Headquarters: VALPARAISO, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Silver Lake - Kosciusko Co - Conservation Foundation

    EIN 843574560 · Headquarters: AVON, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Simonton Lake Area Homeowners Association Inc

    EIN 262923842 · Headquarters: ELKHART, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Simonton Lake Preservation Trust Inc

    EIN 462916487 · Headquarters: Elkhart, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Smalltown Garden Club

    EIN 050539074 · Headquarters: Anderson, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Smart Living Project Inc

    EIN 205949662 · Headquarters: MUNCIE, IN, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  25. Snider Football Alumni Network

    EIN 921975037 · Headquarters: Fort Wayne, IN, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  26. Solarize Indiana Inc

    EIN 843040425 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Sos Save Our Stories

    EIN 463562657 · Headquarters: MARION, IN, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  28. South Adams Trails Inc

    EIN 260855776 · Headquarters: Berne, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. South Bend Greenway Conservancy

    EIN 932937742 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. South Bend-elkhart Bird Alliance Inc

    EIN 356024356 · Headquarters: Mishawaka, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. South Central Indiana Master Gardener Association Inc

    EIN 814725204 · Headquarters: Columbus, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. South Chain Szmanda Lake Association

    EIN 844954326 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Southeastern Indiana Beekeepers Association

    EIN 301350111 · Headquarters: Brookville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Southern Indiana Botanical Society Inc

    EIN 351944988 · Headquarters: floyds knobs, IN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Southern Indiana Cooperative Weed Management Area Inc

    EIN 263327312 · Headquarters: BEDFORD, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Southern Indiana Daylily Hosta Daffodil & Iris Society

    EIN 351996314 · Headquarters: Bloomington, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Southern Indiana Trailways Inc

    EIN 852070094 · Headquarters: Bedford, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Southern Whitewater Valley Land Trust

    EIN 465193643 · Headquarters: Centerville, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Southwestern Indiana Citizens for Quality of Life

    EIN 830975824 · Headquarters: SANTA CLAUS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Southwestern Indiana Daylily Society Inc

    EIN 352026332 · Headquarters: Evansville, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. Southwestern Indiana Master Gardener Assoc Inc

    EIN 352148877 · Headquarters: INGLEFIELD, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Speaks for Trees and More

    EIN 882781182 · Headquarters: Roanoke, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Spencer County Memorial Forest Asso

    EIN 356042196 · Headquarters: FULDA, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Spinnaker Cove Nature Preserve C/o Kirkpatrick Management Co

    EIN 300001513 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Spring Lake Izaak Walton League of America

    EIN 351778809 · Headquarters: Hobart, IN, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. St Ann of the Dunes Society Inc

    EIN 593801887 · Headquarters: Beverly Shores, IN, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  47. St Joseph River Association Inc

    EIN 272216234 · Headquarters: Elkhart, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. St Joseph River Valley Fly Fishers Club Inc

    EIN 061711267 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. St Joseph River Watershed Initiative Partnership Inc

    EIN 352061535 · Headquarters: FORT WAYNE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Steuben County Lakes Council Inc

    EIN 237201404 · Headquarters: ANGOLA, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Steuben County Lakes Council Land Trust Inc

    EIN 223932633 · Headquarters: Angola, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Steuben County Master Gardener Association Inc

    EIN 821370133 · Headquarters: Angola, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Steward of Our Shores

    EIN 474588348 · Headquarters: Long Beach, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Still Waters Land Trust Inc

    EIN 854083425 · Headquarters: Avon, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Stone Head Conservancy Inc

    EIN 811302673 · Headquarters: Columbus, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. Stone Lake Conservation Club Inc

    EIN 351479692 · Headquarters: Middlebury, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Straits Area Audubon Society

    EIN 800493182 · Headquarters: INDIANAPOLIS, IN, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Streets of Monticello Association Inc

    EIN 830797334 · Headquarters: Monticello, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sullivan Conservation Club Inc

    EIN 356043676 · Headquarters: Sullivan, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Sunnyside Master Gardener Association of Southern Indiana

    EIN 202747635 · Headquarters: New Albany, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Sustainable Connexions International

    EIN 460864979 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Sustainable Earth Inc

    EIN 351828496 · Headquarters: Lafayette, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Sycamore Audubon Society

    EIN 351384673 · Headquarters: West Lafayette, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Sycamore Land Trust Incorporated

    EIN 351830637 · Headquarters: BLOOMINGTON, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Sycamore Trails Resource Conservation & Development Council

    EIN 351712619 · Headquarters: GREENCASTLE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Syracuse Lake Association

    EIN 351967858 · Headquarters: SYRACUSE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Taltree Arboretum and Gardens Foundation Inc

    EIN 352032442 · Headquarters: Valparaiso, IN, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  68. The Aline and Edgar Igleheart Foundation Inc

    EIN 473043391 · Headquarters: Evansville, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. The Bloomington Garden Club

    EIN 351992949 · Headquarters: Bloomington, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. The Falls of the Ohio Foundation

    EIN 311214133 · Headquarters: CLARKSVILLE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Friends of the Parks of Allen County Indiana Inc

    EIN 352125717 · Headquarters: Fort Wayne, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. The Garden Club of Indiana Inc

    EIN 271417968 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. The Indiana Flower Growers Association

    EIN 351563992 · Headquarters: WEST LAFAYETTE, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. The Parks Foundation of Hendricks County

    EIN 263956104 · Headquarters: DANVILLE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Thomas Lake Association Inc

    EIN 350983218 · Headquarters: GREENCASTLE, IN, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  76. Three Rivers

    EIN 351605816 · Headquarters: Woodburn, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Three Rivers Birding Inc

    EIN 311021542 · Headquarters: FORT WAYNE, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Thriving Waters International

    EIN 841752432 · Headquarters: Fortville, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Tipmont Remc Envirowatts Tr Inc

    EIN 450518086 · Headquarters: LINDEN, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Tippecanoe Lake Trails Inc

    EIN 413003260 · Headquarters: Leesburg, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Town and Country Garden Club Inc

    EIN 030475649 · Headquarters: Fairmount, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. Traders Point Environmental Renewal Inc

    EIN 851330860 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Trees for Goshen Inc

    EIN 921039439 · Headquarters: Goshen, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. TREES Inc

    EIN 351820751 · Headquarters: Terre Haute, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Trees Indiana Inc

    EIN 870766779 · Headquarters: Fort Wayne, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Tri-State Watershed Alliance Inc

    EIN 461707299 · Headquarters: Fort Wayne, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Tri-township Conservation Club

    EIN 611629212 · Headquarters: Batesville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Trillium Land Conservancy Inc

    EIN 352153018 · Headquarters: Elkhart, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Tryon Farm Institute

    EIN 352086676 · Headquarters: Michigan City, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Tulip Creek Nature Center Inc

    EIN 352142195 · Headquarters: Ligonier, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Union Mills Conservation Club

    EIN 351583268 · Headquarters: UNION MILLS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. United Citizens Association Inc

    EIN 351371891 · Headquarters: Whiting, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. United Neighborhoods of Evansville Inc

    EIN 352133697 · Headquarters: Evansville, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Upper St Joe River Rats Inc

    EIN 861804059 · Headquarters: Elkhart, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Upper White River Watershed Alliance Inc

    EIN 352076148 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Urban Seeds Inc

    EIN 522457397 · Headquarters: Evansville, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Utilicast Foundation

    EIN 861645969 · Headquarters: Carmel, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Venues Parks & Arts Foundation

    EIN 273843043 · Headquarters: SOUTH BEND, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Veterans Memorial Park Inc

    EIN 922780547 · Headquarters: CRAWFORDSVILLE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Victor Conservation Club Inc

    EIN 356045301 · Headquarters: Martinsville, IN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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