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. Oak Hill Garden Club Foundation Inc

    EIN 843628415 · Headquarters: Oak Hill, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Oak Island Beach Preservation Society Inc

    EIN 842499361 · Headquarters: Oak Island, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Oak Island Beautification Club

    EIN 920883775 · Headquarters: Oak Island, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Oak Lawn Parks Foundation

    EIN 363907856 · Headquarters: Oak Lawn, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Oak Meadows Service Company

    EIN 841316175 · Headquarters: GLENWOOD SPRINGS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Oak Openings Region Conservancy Inc

    EIN 341671402 · Headquarters: HOLLAND, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Oak Outreach Wisconsin Inc

    EIN 394416641 · Headquarters: SUSSEX, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Oak Reservoir Association

    EIN 843836840 · Headquarters: Johnston, RI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Oak Ridge Environmental Peace Alliance

    EIN 621812870 · Headquarters: Oak Ridge, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Oak Spring Sportsmens Association Llc

    EIN 922545355 · Headquarters: CANADENSIS, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Oakdale Community Garden Club

    EIN 300392971 · Headquarters: OAKDALE, CA, OC · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. Oakey Mountain Water System Association Inc

    EIN 452898548 · Headquarters: Lakemont, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Oakfield Conservation Club

    EIN 396076358 · Headquarters: OAKFIELD, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Oakland Beach Revival Society

    EIN 393977033 · Headquarters: Warwick, RI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Oakland Conservation Club Inc

    EIN 391516891 · Headquarters: Fort Atkinson, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Oakland Nature Preserve Inc

    EIN 593464532 · Headquarters: OAKLAND, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Oakland Recycling Association

    EIN 943129944 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  18. Oaklawn Community Foundation

    EIN 813904928 · Headquarters: WICHITA, KS, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. OAPB Fishing Foundation Inc

    EIN 842906283 · Headquarters: Pompano Beach, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Oars Foundation Inc

    EIN 821076000 · Headquarters: SAN ANTONIO, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Oars Inc

    EIN 042963426 · Headquarters: CONCORD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Oasis 2000 Inc

    EIN 391234501 · Headquarters: Rice Lake, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  23. Oasis Community Garden Hells Kitchen Nyc Inc

    EIN 611596206 · Headquarters: NEW YORK, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Oasis Earth Initiative Inc

    EIN 833347056 · Headquarters: Anchorage, AK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Oasis Empowerment Center Inc

    EIN 371642505 · Headquarters: Amityville, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Oasis Preserve International

    EIN 954641238 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Oasis Restoration

    EIN 922576544 · Headquarters: San diego, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Oasis Water Technologies Non-profit

    EIN 825474964 · Headquarters: Franklin, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Oatka Creek Water Shed Committee Inc

    EIN 320018057 · Headquarters: Scotsville, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Oaxaca Ecology Project Inc

    EIN 900536030 · Headquarters: Salem, OR, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  31. Ob Alliance Inc

    EIN 993161476 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Ob2 Foundation Inc

    EIN 853843367 · Headquarters: LAVALLETTE, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Obed Watershed Community Associatio

    EIN 721594762 · Headquarters: CROSSVILLE, TN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Oblong Trail Association

    EIN 264701204 · Headquarters: Pawling, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Oc Goes Solar

    EIN 834595048 · Headquarters: Irvine, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Oc Habitats

    EIN 822478090 · Headquarters: SANTA ANA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Occidental Arts & Ecology Center

    EIN 680359676 · Headquarters: Occidental, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Occoquan River Communities Inc

    EIN 262775453 · Headquarters: Occoquan, VA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Ocean Agency

    EIN 843398911 · Headquarters: NEWPORT, RI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Ocean Aid 360 Inc

    EIN 823008707 · Headquarters: ST PETERSBURG, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Ocean Alliance Inc

    EIN 222573677 · Headquarters: Gloucester, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Ocean Allies Inc

    EIN 833132129 · Headquarters: CLEARWATER, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Ocean and Coastal Observing - Virgin Islands Inc

    EIN 660869183 · Headquarters: St Thomas, VI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Ocean Angels Inc

    EIN 990851740 · Headquarters: SHOW LOW, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Ocean Arks International Inc

    EIN 042754315 · Headquarters: Falmouth, MA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. Ocean Awareness Foundation

    EIN 871358867 · Headquarters: Wynnewood, PA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Ocean Awareness Project Inc

    EIN 141861309 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Ocean Beach Community Fund Inc

    EIN 112513924 · Headquarters: OCEAN BEACH, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Ocean Beach Community Garden

    EIN 392575085 · Headquarters: san diego, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Ocean Beach Green Center

    EIN 472875142 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Ocean Beach Institute

    EIN 392143987 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Ocean Blue Foundation

    EIN 450507340 · Headquarters: Imperial Beach, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  53. Ocean Champions

    EIN 371502415 · Headquarters: CAPITOLA, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  54. Ocean City Reef Foundation Inc

    EIN 522066987 · Headquarters: BERLIN, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Ocean Connect Inc

    EIN 920453960 · Headquarters: Wilton, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Ocean Conservancy

    EIN 237245152 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Ocean Conservation Education Inc

    EIN 923556192 · Headquarters: tavernier, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Ocean Conservation Exploration and Education Foundation

    EIN 863707887 · Headquarters: NEW YORK, NY, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. Ocean Conservation Research

    EIN 260719608 · Headquarters: LAGUNITAS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Ocean Conservation Society Inc

    EIN 954691853 · Headquarters: Marina del Rey, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Ocean County Chapter of the Izaak Walton League - Save Barnegat Bay

    EIN 237172279 · Headquarters: BRICK, NJ, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  62. Ocean County Citizens for Clean Water Inc

    EIN 223094887 · Headquarters: TOMS RIVER, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Ocean Crest Alliance Inc

    EIN 454778195 · Headquarters: St Petersburg, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Ocean Debris Management Initiative

    EIN 832595822 · Headquarters: Capitola, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Ocean Defenders Alliance

    EIN 320065856 · Headquarters: HUNTINGTON BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Ocean Discovery

    EIN 900170698 · Headquarters: Torrance, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  67. Ocean Doctor Inc

    EIN 461431787 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Ocean Education Initiative Inc

    EIN 393338973 · Headquarters: Galveston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Ocean Exchange Inc

    EIN 272691376 · Headquarters: SAVANNAH, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Ocean Exploration Trust Inc

    EIN 830488383 · Headquarters: NEW LONDON, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Ocean Fest Inc

    EIN 872990341 · Headquarters: Hampstead, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Ocean for the Cause

    EIN 920238665 · Headquarters: henderson, NV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Ocean Futures Society Inc

    EIN 954455199 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Ocean Garbage Patch

    EIN 460810227 · Headquarters: Hansville, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Ocean Geothermal Energy Foundation

    EIN 454812829 · Headquarters: Tustin, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Ocean Giant Legacy

    EIN 473573510 · Headquarters: PACIFIC GROVE, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Ocean Grants

    EIN 822869115 · Headquarters: LIGHTHOUSE POINT, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Ocean Grants Foundation

    EIN 852690732 · Headquarters: LIGHTHOUSE POINT, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Ocean Guardian

    EIN 273312138 · Headquarters: Fountain, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. Ocean Habitats Inc

    EIN 472389476 · Headquarters: Micanopy, FL, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  81. Ocean Hills Property Protection Fund Tr

    EIN 476250497 · Headquarters: Oceanside, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Ocean Isle Land Conservancy

    EIN 050557945 · Headquarters: Ocean Isle Beach, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ocean Keepers

    EIN 990964842 · Headquarters: Bellflower, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Ocean Lab

    EIN 822789502 · Headquarters: LAGUNA BEACH, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Ocean Lotus Inc

    EIN 263489645 · Headquarters: Sparks, NV, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Ocean Matters

    EIN 273543879 · Headquarters: Uxbridge, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Ocean Music Action

    EIN 870831722 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Ocean Needs Everyone Inc

    EIN 862821933 · Headquarters: PALM HARBOR, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Ocean Notion

    EIN 811851799 · Headquarters: New Shoreham, RI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Ocean Offset

    EIN 841855200 · Headquarters: Culver City, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  91. Ocean Patriot

    EIN 463250493 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. Ocean Planet Explorers

    EIN 832512351 · Headquarters: Richmond, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Ocean Plastic Debris Education Research and Awareness

    EIN 834112580 · Headquarters: Reno, NV, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Ocean Protection Advocacy Kids Inc

    EIN 813803548 · Headquarters: HIGHLANDS, NJ, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  95. Ocean Protection Association of Hawaii

    EIN 471776768 · Headquarters: Ewa Beach, HI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  96. Ocean Providence International Inc

    EIN 471879925 · Headquarters: Clifton, NJ, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  97. Ocean Recovery Alliance

    EIN 451347667 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Ocean Reef Conservation Association Inc

    EIN 264692639 · Headquarters: KEY LARGO, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Ocean Rehab Initiative Inc

    EIN 270880501 · Headquarters: West Palm Beach, FL, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  100. Ocean Renewable Energy Coalition

    EIN 342048696 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

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