Environment nonprofits in Maryland

Environment nonprofits in Maryland. Browse 696 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. Sugarloaf Countryside Conservancy Inc

    EIN 311740553 · Headquarters: Clarksburg, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Summerseat Farm Inc

    EIN 522226448 · Headquarters: MECHANICSVILLE, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Sun Day a Campaign for a Sustainable Energy Future Inc

    EIN 521850118 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Sustainability Curriculum Consortium Inc

    EIN 813000943 · Headquarters: Bethesda, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Sustainable Earth Eating Inc

    EIN 872319491 · Headquarters: Bethesda, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Takoma Park Computer Recovery Center Inc

    EIN 272956067 · Headquarters: CAPITOL HEIGHTS, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Talbot County Garden Club Inc

    EIN 205124874 · Headquarters: EASTON, MD, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  8. Talbot River Protection Association Inc

    EIN 521997081 · Headquarters: EASTON, MD, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  9. Tall Cedars of Lebanon of North America

    EIN 237137999 · Headquarters: Upper Marlboro, MD, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Tanta Cove Garden Club

    EIN 237140020 · Headquarters: Fort Washington, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Teach-a-tot International Inc

    EIN 352614192 · Headquarters: Silver Spring, MD, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  12. Team River Runner Incorporated

    EIN 203838651 · Headquarters: Rockville, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Telocvicna Jednota Sokol Curtis Bay Md Incorporated

    EIN 526043916 · Headquarters: Linthicum, MD, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  14. The African American Land Trust Inc

    EIN 202844475 · Headquarters: Annapolis, MD, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  15. The American Language Fund

    EIN 883132269 · Headquarters: FORT WASHINGTON, MD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. The Charles Koiner Center for Urban Farming Incorporated

    EIN 831145521 · Headquarters: Silver Spring, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. The Chesapeake Bay String of Pearls Project

    EIN 562337419 · Headquarters: CROFTON, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. The Federated Garden Club of Maryland Inc

    EIN 521363337 · Headquarters: Crofton, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. The Federated Garden Clubs of Maryland Inc

    EIN 521033656 · Headquarters: Annapolis, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. The Federated Garden Clubs of Maryland Inc

    EIN 522196679 · Headquarters: Ijamsville, MD, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. The Federated Garden Clubs of Maryland Inc

    EIN 522209132 · Headquarters: Lexington Park, MD, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. The Focus Center Inc

    EIN 611600611 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  23. The Garden Club of the Eastern Shore In

    EIN 522133061 · Headquarters: EASTON, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. The Garden Party

    EIN 814955470 · Headquarters: Chevy Chase, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. The Harvest Collective

    EIN 800547273 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. The Henry Sears Foundation Inc C/o Anthony Judge & Ware Llc

    EIN 521933579 · Headquarters: CHESTERTOWN, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. The Howard County Conservancy Inc

    EIN 521712913 · Headquarters: WOODSTOCK, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Izaak Walton League of America

    EIN 361930035 · Headquarters: GAITHERSBURG, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The Joe Brooks Foundation for Conservation and Outdoor Education

    EIN 473804862 · Headquarters: TOWSON, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. The Manor Conservancy Inc

    EIN 521807776 · Headquarters: MONKTON, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Maryland Recycling Network Inc

    EIN 521761407 · Headquarters: Columbia, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. The Park and Resources Conservation Foundation Inc

    EIN 521339854 · Headquarters: Glenn Dale, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. The Patuxent River Civic Association

    EIN 912150965 · Headquarters: Upper Marlboro, MD, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. The Potomac Conservancy Inc

    EIN 521842501 · Headquarters: BETHESDA, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The Re-use Barn Project Inc

    EIN 800695062 · Headquarters: POMFRET, MD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. The Rock Environmental Center Inc

    EIN 161581761 · Headquarters: ELLICOTT CITY, MD, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. The Severn River Association Inc

    EIN 521827749 · Headquarters: ANNAPOLIS, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. The Shores of Baltimore Land Trust Inc

    EIN 208854703 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. The Tributary Organization Inc

    EIN 880524246 · Headquarters: Towson, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Thorpewood Inc

    EIN 992544901 · Headquarters: THURMONT, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Tj Patriotscapes Inc

    EIN 203243618 · Headquarters: Frederick, MD, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  42. Top of the Bay Cruising Association

    EIN 521757468 · Headquarters: North East, MD, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Trash Free Maryland Corporation

    EIN 473172588 · Headquarters: BALTIMORE, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Tree-land Foundation Inc

    EIN 521926101 · Headquarters: Sandy Spring, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Trees for the Future Inc

    EIN 521644869 · Headquarters: SILVER SPRING, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Trowel Garden Club Inc

    EIN 800695748 · Headquarters: Bethesda, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Turner Station Conservation Teams Inc

    EIN 800799214 · Headquarters: Dundalk, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Ukrainian American Environmental Association

    EIN 201135038 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Undescriptively Blessed Missionary Inc

    EIN 460836169 · Headquarters: BALTIMORE, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Union of Chinese American Professional Organizations Inc

    EIN 461362551 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. United for Clean Power

    EIN 472886317 · Headquarters: Bowie, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Upcycled Inc

    EIN 843215929 · Headquarters: Columbia, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Upper Shore Manufacturing & Business Council

    EIN 521977936 · Headquarters: Easton, MD, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Upstream Alliance Inc

    EIN 473035594 · Headquarters: Annapolis, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Urban Ecosystem Restorations Inc

    EIN 471963754 · Headquarters: Bethesda, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Us Evergreening Alliance Inc

    EIN 833704019 · Headquarters: MOUNT RAINIER, MD, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Us Green Building Council Maryland Chapter Inc

    EIN 202035810 · Headquarters: HUNT VALLEY, MD, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  58. Verde Preservation Inc

    EIN 923856882 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Vine Corps Inc

    EIN 454286767 · Headquarters: CHEVERLY, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Voice of the Earth Inc

    EIN 273228410 · Headquarters: WIndsor Mill, MD, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. Voices for a Sustainable Future

    EIN 271940927 · Headquarters: TAKOMA PARK, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Volunteer Team Inc

    EIN 521960572 · Headquarters: FLINTSTONE, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Washington County Federation of Sportsmens Club Inc

    EIN 522153465 · Headquarters: KEEDYSVILLE, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Washington Global Charity Foundation Inc

    EIN 990502735 · Headquarters: Beltsville, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Water at Home Corporation

    EIN 465374921 · Headquarters: FREDERICK, MD, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Water Stewardship Inc

    EIN 262623472 · Headquarters: ANNAPOLIS, MD, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  67. Waterkeepers Chesapeake Inc

    EIN 454381850 · Headquarters: SILVER SPRING, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Watershed Research Institute Inc

    EIN 522071365 · Headquarters: College Park, MD, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Watts Branch Watershed Alliance Inc

    EIN 464192015 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Way the Truth and Light Missionary

    EIN 861641010 · Headquarters: Joppa, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. We Are Water Collective

    EIN 833336981 · Headquarters: Baldwin, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Weems Creek Conservancy Inc

    EIN 521863991 · Headquarters: Annapolis, MD, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  73. West African Solar Foundation Inc

    EIN 920919583 · Headquarters: Upper Marlboro, MD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. West-rhode Riverkeeper Inc

    EIN 412164361 · Headquarters: Edgewater, MD, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Western Garrett Cnty State Park Volunteers Inc

    EIN 342019346 · Headquarters: ACCIDENT, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Western Maryland Rail Trail Supporters

    EIN 432071173 · Headquarters: Williamsport, MD, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Western Maryland Resource Conservation and Development

    EIN 521859219 · Headquarters: Hagerstown, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Western Maryland Sportsmens Coalition Incorporated

    EIN 824627081 · Headquarters: KEEDYSVILLE, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Western Shore Conservancy for the Protection of Natural Areas Inc

    EIN 521832761 · Headquarters: Bowie, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wheaton Woods Swimming Pool Corporation

    EIN 526042934 · Headquarters: ROCKVILLE, MD, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  81. Wicomico Environmental Trust Ltd

    EIN 760786897 · Headquarters: SALISBURY, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Wild Earth Allies Inc

    EIN 042730954 · Headquarters: Chevy Chase, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Wilderness Torah

    EIN 454437061 · Headquarters: Reisterstown, MD, United States · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Wildlife Achievement Club Chapter Inc

    EIN 526045453 · Headquarters: DAMASCUS, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Wildlife Conservation Enforcement Fund Inc

    EIN 522129193 · Headquarters: Oakland, MD, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  86. Wiltondale Garden Club

    EIN 521360453 · Headquarters: Towson, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Winters Harvest Homestead Inc

    EIN 392905554 · Headquarters: Oakland, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Woodberry Land Trust

    EIN 753061578 · Headquarters: Baltimore, MD, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  89. Woodland Committee Land Trust Inc

    EIN 522033144 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Worcester County Garden Club Trust

    EIN 526060396 · Headquarters: Ocean Pines, MD, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. World Environment Center Inc

    EIN 133100197 · Headquarters: Bethesda, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. World River Center

    EIN 842590525 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Yesaction Inc

    EIN 921783573 · Headquarters: BOYDS, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Yohannes Wolteji Memorial Foundation Incorporated

    EIN 260362438 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  95. Youghiogheny River Watershed Association Inc

    EIN 202810385 · Headquarters: Oakland, MD, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Znrg Foundation Inc

    EIN 883710492 · Headquarters: POTOMAC, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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