Environment nonprofits

Environment nonprofits. Browse 35,718 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. Ocean Rescue Foundation

    EIN 813567314 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Ocean Rescue Inc

    EIN 870998145 · Headquarters: Redondo Beach, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Ocean Research & Conservation Association Inc

    EIN 200901011 · Headquarters: VERO BEACH, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Ocean Research Foundation

    EIN 460790213 · Headquarters: SAN LEANDRO, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  5. Ocean Research Project Inc

    EIN 455439654 · Headquarters: ANNAPOLIS, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Ocean Riders of Marin

    EIN 911854904 · Headquarters: Muir Beach, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Ocean Ridge Garden Club Corp

    EIN 301195427 · Headquarters: Ocean Ridge, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Ocean Ridge International Inc

    EIN 884411788 · Headquarters: Coral Springs, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Ocean Risk and Resilience Action Alliance Inc

    EIN 833580499 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Ocean River Institute Inc

    EIN 208273235 · Headquarters: Cambridge, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Ocean Sanctuaries Inc

    EIN 465209246 · Headquarters: La Jolla, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Ocean Sanctuary Alliance Inc

    EIN 461239954 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. Ocean Seed Foundation Inc

    EIN 842075428 · Headquarters: Kealakekua, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Ocean Shores Citizens for Balanced Growth

    EIN 711042271 · Headquarters: Ocean Shores, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  15. Ocean Shores Fresh Waterways Inc

    EIN 911544793 · Headquarters: Ocean Shores, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Ocean Sole Africa Inc

    EIN 832899477 · Headquarters: PONTE VEDRA BEACH, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Ocean Song Farm & Wilderness Center

    EIN 680398079 · Headquarters: Occidental, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Ocean State Network for Children and Families Inc

    EIN 270937546 · Headquarters: PROVIDENCE, RI, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  19. Ocean Strike Team

    EIN 823294387 · Headquarters: Pensacola, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Ocean Sweep Corp

    EIN 842784744 · Headquarters: HAMILTON, NJ, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Ocean View Business Association

    EIN 990295774 · Headquarters: Ocean View, HI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. Ocean Warriors

    EIN 872227938 · Headquarters: Seal Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Ocean Winds

    EIN 993386876 · Headquarters: Coos Bay, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Ocean Wishes

    EIN 261529818 · Headquarters: COLUMBIA, SC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Ocean Wreck Divers Inc

    EIN 222989904 · Headquarters: Toms River, NJ, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  26. Ocean-aquarium Foundation Ltd

    EIN 822954290 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Oceana

    EIN 510401308 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Oceana Action Inc

    EIN 311814181 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Oceanamatica

    EIN 822820286 · Headquarters: Naalehu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Oceanatural

    EIN 863325631 · Headquarters: FULLERTON, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Oceanelders Inc

    EIN 453034636 · Headquarters: Hollister, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Oceanic Ascent Education & Athletics Inc

    EIN 660747234 · Headquarters: Hagatna, GU, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Oceanic Awareness Collaboration Inc

    EIN 273644448 · Headquarters: RIVERSIDE, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. Oceanic Global Foundation Corp

    EIN 814694803 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Oceanic Preservation Society

    EIN 383891081 · Headquarters: Greenbrae, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. OceanitesInc

    EIN 521530218 · Headquarters: Chevy Chase, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Oceanium USA Inc

    EIN 883076958 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Oceanographic Pathways Institute Ltd

    EIN 814125169 · Headquarters: Appleton, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Oceans and Bays Foundation Inc

    EIN 393434246 · Headquarters: Boca Raton, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Oceans and Robotics Inc

    EIN 832908958 · Headquarters: Marina, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Oceans Blue Corp

    EIN 461119445 · Headquarters: CHAMPAIGN, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Oceans Connect Inc

    EIN 853905225 · Headquarters: SAVANNAH, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Oceans Ohio Inc

    EIN 822085364 · Headquarters: Massillon, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Oceans Reefs Project

    EIN 822647226 · Headquarters: Aiken, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Oceans Rock Inc

    EIN 452850450 · Headquarters: Santa Monica, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Oceans Unmanned Inc

    EIN 812755786 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Oceans4all

    EIN 464080392 · Headquarters: Santa Ynez, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Oceanside Coastal Neighborhood Outreach Inc

    EIN 320186278 · Headquarters: OCEANSIDE, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Oceanside Downtown Business Association

    EIN 330721062 · Headquarters: OCEANSIDE, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  50. Oceanswatch North America Inc

    EIN 263407022 · Headquarters: Lake Worth, FL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Oceanswide Inc

    EIN 341988012 · Headquarters: NEWCASTLE, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Oceantic Network Inc

    EIN 463553839 · Headquarters: BALTIMORE, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Oceanus Intitute Inc

    EIN 237167473 · Headquarters: Southwest Harbor, ME, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Oceanvida Foundation Inc

    EIN 471806367 · Headquarters: Winter Park, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Oceanworks Foundation

    EIN 934095069 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Och Conservation Foundation

    EIN 833910834 · Headquarters: THE PLAINS, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Ochlockonee River Water Trail

    EIN 820904861 · Headquarters: Cairo, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Ocho Society

    EIN 831154423 · Headquarters: Salt Lake City, UT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Ochoco Conservation Association

    EIN 921720192 · Headquarters: Prineville, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Ocmulgee Heritage Trail of Middle

    EIN 262912041 · Headquarters: MACON, GA, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  61. Ocmulgee Land Trust Inc

    EIN 201260225 · Headquarters: MACON, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Ocmulgee River Initiative Inc

    EIN 582433160 · Headquarters: Macon, GA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  63. Ocmulgee Water Trail Partnership Inc

    EIN 474471434 · Headquarters: McRae, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Oconee Preservation Unlimited Stewardship Tr

    EIN 546583173 · Headquarters: TAMASSEE, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Oconee River Greenway Found Inc

    EIN 200440767 · Headquarters: MILLEDGEVILLE, GA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  66. Oconee River Land Trust

    EIN 582108824 · Headquarters: Athens, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Oconee River Resource Conservation and Development Area Inc

    EIN 581685130 · Headquarters: Watkinsville, GA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  68. Ocono County Lakes and Waterways Association

    EIN 391964814 · Headquarters: TOWNSEND, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Oconto Falls Community Garden Corp

    EIN 334351833 · Headquarters: Oconto Falls, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Oconto Sportsmens Club Inc

    EIN 811191489 · Headquarters: Oconto, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Oconuco Tierras Protegidas Inc

    EIN 660665558 · Headquarters: SAN JUAN, PR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. Ocooch Mountain Broadheads Inc

    EIN 391631517 · Headquarters: Fennimore, WI, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Ocracoke Preservation Society Inc

    EIN 561360791 · Headquarters: Ocracoke, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Octoraro Watershed Association

    EIN 232639890 · Headquarters: COCHRANVILLE, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Odd Fellows Lodge 20 Housing Project

    EIN 462253913 · Headquarters: ELLENSBURG, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Odd Plant

    EIN 862777917 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  77. Oden Water Association

    EIN 820290459 · Headquarters: SANDPOINT, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Odessa Garden Club

    EIN 932363074 · Headquarters: Odessa, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Odowd Lakes Chain Association Incoporated

    EIN 411430960 · Headquarters: Shakopee, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Oec Inc

    EIN 471341251 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Of Salt and Sand

    EIN 884281611 · Headquarters: Salt Lake City, UT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Off the Curb Inc

    EIN 833388896 · Headquarters: PITTSBURGH, PA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Off Trail on Track Inc

    EIN 832093372 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Office Equipment Recycling Center

    EIN 753079132 · Headquarters: Springfield, MO, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  85. Offield Ocean Fund

    EIN 461309989 · Headquarters: AVALON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Offshore Garden Club

    EIN 462164772 · Headquarters: LINWOOD, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Offshore Research Association Unasyest

    EIN 854341934 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. Offshore Wind California

    EIN 842096843 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Ofrenda Inc

    EIN 352551590 · Headquarters: WATSONVILLE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Og Ranch

    EIN 472665093 · Headquarters: Alpine, TX, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  91. Ogallala Land and Water Conservancy

    EIN 872748543 · Headquarters: CLOVIS, NM, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Ogden Valley Land Trust Inc

    EIN 876239206 · Headquarters: HUNTSVILLE, UT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Ogeechee Daylily Society

    EIN 464843192 · Headquarters: BROOKLET, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Ogeechee Riverkeeper Inc

    EIN 582636669 · Headquarters: SAVANNAH, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Ogle Natural Areas Alliance

    EIN 873611741 · Headquarters: Byron, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Oglebay Institute

    EIN 550359760 · Headquarters: WHEELING, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Oh Happy Play Llc

    EIN 853867528 · Headquarters: Dubuque, IA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Oh Taste and See from Seed to Harvest

    EIN 861923767 · Headquarters: Richmond, VA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Ohara Commons and Sustainability Center Inc

    EIN 472949318 · Headquarters: HAMILTON, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Ohba - Organic Educators

    EIN 453631386 · Headquarters: HOUSTON, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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