Unknown & Unclassified nonprofits in Wisconsin

Unknown & Unclassified nonprofits in Wisconsin. Browse 13,737 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. Lambda Kappa Sigma International

    EIN 586066234 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Lambda Kappa Sigma International

    EIN 616012970 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Lambda Kappa Sigma International

    EIN 616042970 · Headquarters: Muskego, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Lambda Kappa Sigma International

    EIN 811952595 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Lambda Kappa Sigma International

    EIN 900161814 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Lambda Kappa Sigma International

    EIN 916072970 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Lambda Kappa Sigma International

    EIN 916072971 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Lambda Kappa Sigma International

    EIN 930799400 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Lambda Kappa Sigma International

    EIN 946135348 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Lambda Kappa Sigma International

    EIN 956156388 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Lamboa Kappa Sigma International

    EIN 472361521 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Lancaster Education Association

    EIN 262710748 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Lancaster Ffa Alumni

    EIN 391391130 · Headquarters: Lancaster, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Lancaster Public Library Foundation Inc

    EIN 391421893 · Headquarters: LANCASTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Lance Middle School Pto

    EIN 383895182 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Land O Lakes Employees Club Inc

    EIN 237076773 · Headquarters: Clear Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Land O Lakes Fish & Game Club Inc

    EIN 391604410 · Headquarters: Land O Lakes, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Land O'lakes Chamber of Commerce

    EIN 391400406 · Headquarters: LAND O LAKES, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Landmark Referral Group Inc

    EIN 843992948 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Landscape Ministries Llc

    EIN 834218743 · Headquarters: Pewaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Lang Charitable Found

    EIN 876115493 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Langlade County 4-H Goat Project

    EIN 882072258 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Langlade County Dairy Promotion Committee Inc

    EIN 391779053 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Langlade County Fair Inc

    EIN 833810223 · Headquarters: Antigo, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Langlade County Farm Bureau Coop

    EIN 390824308 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Langlade County Historical Society Inc

    EIN 391208809 · Headquarters: Antigo, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Langlade County Rea

    EIN 271707014 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Langlade County Rural Fire Control

    EIN 391433964 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Lannon Stone Foundation Inc

    EIN 201842693 · Headquarters: SUSSEX, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Laona Education Association

    EIN 391492455 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Laona Education Support Personnel Association

    EIN 262771557 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Laona Non-profit Housing Corp

    EIN 391178910 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Laona Rescue Unit Inc

    EIN 391197703 · Headquarters: Laona, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Las Casas Dominicans in Ministry with Native Americans Inc

    EIN 042639941 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Lasco Foundation

    EIN 742455727 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Laskin Family Foundation Inc C/o James N Phillips

    EIN 396107521 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Last Wilderness Alliance Inc

    EIN 871716040 · Headquarters: Presque Isle, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Latheredup Ministries

    EIN 270972170 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Latin American Mission Program

    EIN 900594625 · Headquarters: Edgerton, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  40. Latin Mass Association Inc

    EIN 391344104 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Latin-ballroom Dance Club

    EIN 680580555 · Headquarters: Pewaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Latino Business Association Inc

    EIN 205323541 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  43. Lauderdale Lakes Improvement Association

    EIN 391037589 · Headquarters: ELKHORN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Lauderdale Lakes Yacht Club Inc

    EIN 391324459 · Headquarters: Elkhorn, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Lauderdale Lakes Yacht Club Safety and Education Fund

    EIN 391327231 · Headquarters: Elkhorn, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Laurence & Lydia Baltes Charitable Us Bank

    EIN 476164455 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Law Alliance

    EIN 824223984 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Law Enforcement Appreciation Project

    EIN 852430330 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  49. Law Librarians Association of Wisconsin Inc

    EIN 391652246 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Lawrence Parke Murphy Trust 31909

    EIN 276565044 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Layton Art Collection

    EIN 391476621 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Layton Boulevard West Neighbors Inc Dba Via Cdc

    EIN 391817581 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Ldf Pickleball Club

    EIN 834297264 · Headquarters: Minocqua, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Leaders Igniting Transformation

    EIN 823166802 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Leadership Forum Inc

    EIN 237293538 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Leadership Undercommons

    EIN 993321016 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Leadership Wisconsin Inc

    EIN 391555279 · Headquarters: EDEN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Leading with Power

    EIN 463288168 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. League of United Latin America Citizens

    EIN 472207165 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. League of United Latin America Citizens

    EIN 812239052 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. League of United Latin American Citizens

    EIN 300971704 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. League of United Latin American Citizens

    EIN 611795775 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. League of United Latin American Citizens

    EIN 820799863 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. League of United Latin American Citizens

    EIN 820804643 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. League of Women Voters Marathon County

    EIN 932286826 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. League of Women Voters of Douglas County

    EIN 991153653 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. League of Women Voters of Wisconsin Advocacy Network Inc

    EIN 390713765 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Learning 2 Live Again

    EIN 422532771 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Learning Disabilities Association of Wisconsin

    EIN 237378787 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Least of These Players Co

    EIN 464760422 · Headquarters: Elkhart Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Lefkovitz Foundation

    EIN 363734049 · Headquarters: Elkhorn, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Legacy Investment for a Virtuous Society Inc

    EIN 830658111 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Legal Aid Society of Door County Inc

    EIN 391649959 · Headquarters: STURGEON BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Legal Association for Women

    EIN 391666111 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Legend Lake Property Owners Association

    EIN 237240349 · Headquarters: Keshena, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Leigh Yawkey Woodson Art Museum Inc

    EIN 237281913 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Lena Education Association

    EIN 262690612 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Lena Mini and Modified Tractor Pullers Association Inc

    EIN 464287294 · Headquarters: Oconto Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Lending Hand Inc

    EIN 536054841 · Headquarters: Cambridge, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Lenfestey Family Foundation Inc C/o Private Philanthropy Services

    EIN 391748548 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Lenor B Zeeh Charitable Trust

    EIN 466117616 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  82. Leon G & Constance Hambly Endowment Co Us

    EIN 911285223 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  83. Leon H & Clymene M Bond Fdn

    EIN 391762087 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Leonard and Edith Chandler Irrev Tr

    EIN 466786458 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  85. Leonie V Woolfolk Decd

    EIN 936153726 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Leopolis Booster Club

    EIN 391642920 · Headquarters: Leopolis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Leroy Athletic Club Inc

    EIN 237026997 · Headquarters: Lomira, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Leroy-knowles Country Riders Inc

    EIN 391242706 · Headquarters: Brownsvillw, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Leslie G Ehmann Trust

    EIN 936176402 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Lester T Schaumleffel

    EIN 820465008 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Level

    EIN 263486538 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Levis Cemetery Association

    EIN 272578639 · Headquarters: Osseo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Lewiston Outing Club

    EIN 396076177 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Lhn Employee Child Care Center Ltd

    EIN 391519609 · Headquarters: ELKHORN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Liberty Christian School Inc

    EIN 391643660 · Headquarters: Chippewa Falls, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Liberty Ohio

    EIN 832758360 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Libraries First

    EIN 371130692 · Headquarters: WILLIAMS BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Library Associates of Waupaca L a W

    EIN 391294427 · Headquarters: Waupaca, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Library Square Schools Association Inc

    EIN 391725047 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Life Church Dane County Incorporated

    EIN 852555939 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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