Environment nonprofits in Illinois

Environment nonprofits in Illinois. Browse 919 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. Lake Affect Foundation

    EIN 923965315 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Lake Bluff Garden Club

    EIN 363435300 · Headquarters: Lake Bluff, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Lake Bluff Open Lands Association

    EIN 363111442 · Headquarters: Lake Bluff, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Lake Centralia Association Inc

    EIN 881879549 · Headquarters: Centralia, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Lake County Audubon Society

    EIN 273651365 · Headquarters: Libertyville, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Lake County Properties Inc

    EIN 362903290 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  7. Lake County Zebra Mussel Project Foundation

    EIN 882150430 · Headquarters: Round Lake, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Lake Forest Garden Club

    EIN 366071433 · Headquarters: LAKE FOREST, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Lake Forest Land Foundation

    EIN 363605404 · Headquarters: LAKE FOREST, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Lake Forest Open Lands Association

    EIN 366162709 · Headquarters: LAKE FOREST, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Lake Heights Association Inc

    EIN 376047218 · Headquarters: MORO, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  12. Lake Holiday Garden Club

    EIN 363006823 · Headquarters: Sandwich, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  13. Lake Katherine Nature Center and Botanic Gardens

    EIN 911848185 · Headquarters: Palos Heights, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Lake Lorraine Restoration and Protection Association Inc

    EIN 201759374 · Headquarters: ARLINGTON HEIGHTS, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Lake Michigan States Section of the Air & Waste Management Association

    EIN 363218793 · Headquarters: Palatine, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Lake Minear Foundation Inc

    EIN 884386715 · Headquarters: Libertyville, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Lake Property Owners Association of Lake Zurich

    EIN 261895077 · Headquarters: LAKE ZURICH, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Lake Shelbyville Fish Habitat Allia Nce

    EIN 394986903 · Headquarters: Sullivan, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Lakeforest Development Foundation

    EIN 853459552 · Headquarters: Buffalo Grove, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Lakeridge Restoration Association

    EIN 320259959 · Headquarters: Long Grove, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Land Conservancy of Will County

    EIN 141962366 · Headquarters: FRANKFORT, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. Land Conservation Foundation

    EIN 200125761 · Headquarters: URBANA, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Land Conservation Trust of Southern Illinois

    EIN 357085233 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  24. Land for Learning Institute

    EIN 364526087 · Headquarters: BUNCOMBE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Landmark Conservancy

    EIN 363912268 · Headquarters: Downers Grove, IL, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  26. Landmines Blow

    EIN 200059808 · Headquarters: Lombard, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. Lclc Support Corporation

    EIN 933282359 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Let Them Drink Water Nfp

    EIN 923313399 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Lets Get Wasted

    EIN 264157902 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  30. Liam Hammonds Memorial Foundation

    EIN 200335711 · Headquarters: FLOSSMOOR, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Lierman Neighborhood Action Committee

    EIN 900995766 · Headquarters: Urbana, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Lightup Lawndale Inc

    EIN 863435706 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Lincoln Heritage Resource Conservation and Development Nfp

    EIN 010684678 · Headquarters: Charleston, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Lincolnshire Garden Club

    EIN 363711179 · Headquarters: Lincolnshire, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Lingo Sanitation Community Development Corp

    EIN 871097008 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Living Lands & Waters

    EIN 364244353 · Headquarters: EAST MOLINE, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Lombard Garden Club Inc

    EIN 273271087 · Headquarters: Lombard, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Long Lake Improvement and Sanitatio Association

    EIN 201234210 · Headquarters: Ingleside, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Loon Lakes Mangt Association

    EIN 363770752 · Headquarters: Antioch, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Lorna J Konsis Memorial Foundation

    EIN 822212878 · Headquarters: Westville, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Lower Des Plaines Ecosystem Partnership Inc

    EIN 264664826 · Headquarters: Homer Glen, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. Lower Dupage River Watershed Coalition

    EIN 454673395 · Headquarters: NAPERVILLE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Lower Sangamon River Resource Conservation and Development Inc

    EIN 201025723 · Headquarters: Rochester, IL, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Luesther T Mertz Legacy Trust for the New York Botanical Garden

    EIN 876339411 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Lwv Upper Mississippi River Region Inter League Organization

    EIN 475566940 · Headquarters: NAPERVILLE, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Macomb Beautiful Association

    EIN 201013841 · Headquarters: MACOMB, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Macon County Conservation Foundation

    EIN 371103790 · Headquarters: DECATUR, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Macon County Soil and Water

    EIN 371366608 · Headquarters: DECATUR, IL, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  49. Mahomet Aquifer Consortium

    EIN 371394724 · Headquarters: Atlanta, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Mallard Habitat Foundation

    EIN 311700413 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. Mbelewa Nkwen Community Projects Inc

    EIN 874268078 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Mchenry County Audubon

    EIN 900944637 · Headquarters: Woodstock, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. McHenry County Conservation Foundation

    EIN 364340160 · Headquarters: Richmond, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Menard County Trails and Greenways Nfp

    EIN 300244305 · Headquarters: Petersburg, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Michael Gray Foundation of Dreams

    EIN 462595042 · Headquarters: oak park, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Michael Wolff Memorial Wetland Project

    EIN 061722993 · Headquarters: Makanda, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. Michigan Avenue Streetscape Assoc

    EIN 311600158 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  58. Mid Central Water Works Association

    EIN 271780799 · Headquarters: Oswego, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Mid-west Wild Finders

    EIN 450584742 · Headquarters: La Grange Park, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. Middle Rock Conservation Partners

    EIN 821530110 · Headquarters: FRANKLIN GROVE, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Middlefork Seedersandweeders

    EIN 811023365 · Headquarters: Potomac, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Midewin Interpretive Association

    EIN 920186047 · Headquarters: Wilmington, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Midewin Tallgrass Prairie Alliance

    EIN 364138981 · Headquarters: Joliet, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Midwest Academy of Finance and Insurance

    EIN 371325057 · Headquarters: MACOMB, IL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Midwest Dahlia Conference

    EIN 814879213 · Headquarters: Elk Grove Village, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Midwest Ecological Landscape Alliance

    EIN 300088382 · Headquarters: PARK RIDGE, IL, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  67. Midwest Energy Efficiency Alliance

    EIN 364352022 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Midwest Environmental Enforcement Association

    EIN 363696349 · Headquarters: BATAVIA, IL, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  69. Midwest Fruit Explorers

    EIN 921817526 · Headquarters: Markham, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Midwest Green Burial Society

    EIN 454683692 · Headquarters: CRYSTAL LAKE, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Midwest Invasive Plant Network Inc

    EIN 862878752 · Headquarters: Lisle, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Midwest Pesticide Action Center

    EIN 364361525 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  73. Midwest Society for Acoustic Ecology

    EIN 831084531 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Midwest Sustainability Group Inc Nst

    EIN 364725655 · Headquarters: Grayslake, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Mihi-made in His Image Nfp

    EIN 921143543 · Headquarters: BELLEVILLE, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Minier Community Foundation

    EIN 300515071 · Headquarters: Minier, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Minobashi Foundation

    EIN 994059116 · Headquarters: Buffalo Grove, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Mission Hills Openlands

    EIN 471397265 · Headquarters: Northbrook, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Mission to Honor

    EIN 883413141 · Headquarters: Tuscola, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Mississippi Bird Migration Flyway -Lake Senachwine and Goose Lake Restorat

    EIN 464871540 · Headquarters: ST CHARLES, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Mississippi River Confluence Foundation

    EIN 842523683 · Headquarters: EAST ALTON, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Monarchs Milkweed and More

    EIN 874289773 · Headquarters: Northbrook, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Montgomery County Prescribed Burn a Ssociation Corp

    EIN 394598414 · Headquarters: Litchfield, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Moses West Foundation

    EIN 852028514 · Headquarters: HIGHLAND PARK, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Ms Mariposa Butterfly Resource Bus

    EIN 881249556 · Headquarters: Galesburg, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. My Mothers Community Garden Inc

    EIN 872386678 · Headquarters: PEORIA, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Naperville for Clean Energy and Conservation

    EIN 010907246 · Headquarters: Naperville, IL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Naperville Garden Club Inc

    EIN 363131643 · Headquarters: NAPERVILLE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. National American Glass Club

    EIN 521743995 · Headquarters: Evanston, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. National Association of Independent Fee Appraisers Inc

    EIN 237126710 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. National Association of Independent Fee Appraisers Inc

    EIN 431593267 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  92. National Association of Independent Fee Appraisers Inc

    EIN 431687097 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. National Association of Independent Fee Appraisers Inc

    EIN 431702944 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. National Association of Independent Fee Appraisers Inc

    EIN 510204978 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. National Association of Independent Fee Appraisers Inc

    EIN 510204980 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. National Association of Independent Fee Appraisers Inc

    EIN 521261929 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. National Association of Independent Fee Appraisers Inc

    EIN 521261932 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. National Environment and Recreation Research Assocation

    EIN 822154624 · Headquarters: Champaign, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  99. Natural Forest Advocates Inc

    EIN 364323045 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Natural Habitats Inc

    EIN 300591062 · Headquarters: Park Ridge, IL, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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