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. Lodi Educational Support Association

    EIN 391955578 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Lodi Educators Association

    EIN 237081027 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Lodi Sports and Recreation Center Inc

    EIN 263234524 · Headquarters: Lodi, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Lodi Valley Quilters Guild

    EIN 205681038 · Headquarters: Deforest, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Lodi Youth Football

    EIN 391973483 · Headquarters: Lodi, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Log Cabin Republicans Wisconsin Chapter

    EIN 851353343 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Lomira Athletic Association Inc

    EIN 391484583 · Headquarters: LOMIRA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Lomira Education Association

    EIN 237086945 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Lomira Sports Booster Club

    EIN 270377726 · Headquarters: LOMIRA, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. Lomira Sportsmen's Club Inc

    EIN 320371262 · Headquarters: LOMIRA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. London Bridge Project

    EIN 263913086 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  12. London Community Center

    EIN 391452952 · Headquarters: Cambridge, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Long and Bass Lake Association Inc

    EIN 391854702 · Headquarters: Gleason, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Long Lake Chamber of Commerce Inc Washburn County

    EIN 510224177 · Headquarters: Sarona, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Long Lake Fishing Club Inc

    EIN 391496223 · Headquarters: CAMPBELLSPORT, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Long Lake Improvement Association

    EIN 391194517 · Headquarters: Mercer, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Longfellow Middle School PTA

    EIN 237162335 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Lora a Stuart Trust Colorado Natl

    EIN 846018541 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  19. Lori Jean Haker Memorial Fund

    EIN 237303673 · Headquarters: WAUKESHA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Lost Highway Riders Inc

    EIN 811724360 · Headquarters: Sharon, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Lost Lake Preservation Association

    EIN 391956332 · Headquarters: Beaver Dam, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. Louis Ancel Charitable Trust

    EIN 366149931 · Headquarters: Bayside, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Louis and Temple Marsch Charitable Trust

    EIN 376129244 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Louis Corners Sno-birds Inc

    EIN 391376139 · Headquarters: KIEL, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Louis F and Florence H Weyand 1977

    EIN 942473421 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Love First Ministries

    EIN 920934808 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Love Madison Inc

    EIN 862631952 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Lower Fox River Dischargers Association Inc

    EIN 391598855 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Lower Kaubashine Lake Association Inc

    EIN 882461417 · Headquarters: Hazelhurst, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Lowes Creek Baseball Inc

    EIN 851561394 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Loyal Education Association

    EIN 391789004 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Loyal Order of Moose

    EIN 391085844 · Headquarters: La Crosse, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Loyd Phillips Charitable Trust

    EIN 436313437 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Lrg Hockey Inc

    EIN 831987342 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Lss Housing - Houghton Inc

    EIN 391584257 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Lss Housing Inc

    EIN 391410431 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Lss Manor Inc - Calumet

    EIN 391584266 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Lss Manor Inc - Chocolay

    EIN 391691693 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Lss Manor Inc - New Berlin

    EIN 391584256 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Lt Carlson Pioneers Club Education Foundation Inc

    EIN 391758069 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Lubavitch of Wisconsin Inc

    EIN 391170927 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  42. Lucia Buchholz Irrev Trust

    EIN 366941195 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Lucky Spurz 4-H Club

    EIN 813395366 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. Lucky Z's Youth Sports Foundation

    EIN 821771928 · Headquarters: Mauston, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. Ludwick Fdn

    EIN 236256408 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  46. Luke House Inc

    EIN 391504050 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Lulac Council 354

    EIN 842193726 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Lulac State of Wisconsin

    EIN 851604415 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Lumberjack Memorial Trail Inc

    EIN 391736145 · Headquarters: WABENO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Lumberjack World Championships Foundation Inc

    EIN 391603842 · Headquarters: HAYWARD, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Lupus Foundation of America Wisconsin Chapter Inc

    EIN 391620195 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Luther High School Foundation Inc

    EIN 391623398 · Headquarters: ONALASKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Luther Memorial Evangelical Lutheran Church

    EIN 390823468 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  54. Luther Point Bible Camp

    EIN 396030054 · Headquarters: Grantsburg, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  55. Luther Valley Historical Society Inc

    EIN 391385740 · Headquarters: Footville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Lutheran a Cappella Choir of Milwaukee Inc

    EIN 391398721 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Lutheran Association of Missionaries and Pilots Us

    EIN 391509253 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Lutheran Bus Service

    EIN 391309937 · Headquarters: Mayville, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Lutheran Cemetery Association

    EIN 390440990 · Headquarters: Watertown, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Lutheran Cemetery Association

    EIN 396055647 · Headquarters: STOUGHTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Lutheran Deaconess Motherhouse at Milwaukee Inc

    EIN 390872542 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. Lutheran Deaconess Motherhouse Retirement Care Trust Inc

    EIN 396301403 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  63. Lutherans Inc for Elderly

    EIN 391657635 · Headquarters: MUSKEGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Lutherdale Bible Camp Inc

    EIN 390963472 · Headquarters: Elkhorn, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Lutsey Family Foundation

    EIN 391657029 · Headquarters: EGG HARBOR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Luxemburg Sportsmans Club Inc

    EIN 391248111 · Headquarters: LUXEMBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Luxemburg-casco Education Association

    EIN 262708542 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Lwi Wellness Inc

    EIN 993523951 · Headquarters: Glendale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Lynn Dance Co

    EIN 870319147 · Headquarters: Ladysmith, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. M & H Property Solutions Enterprise Inc

    EIN 272495728 · Headquarters: Oak Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. M & M Soccer Association Inc

    EIN 392009907 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. M & M Team Inc

    EIN 391590754 · Headquarters: GERMANTOWN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. M U House Corporation

    EIN 391641740 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. M&m Auto Club Marinette & Menominee Auto Club

    EIN 371794704 · Headquarters: Peshtigo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. M&m Great Lake Sports Fishermen Inc

    EIN 391418944 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Mabc Inc

    EIN 812931338 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Mabel Tainter Literary Library and Educational Society Inc

    EIN 390806184 · Headquarters: MENOMONIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Mable Lake Association

    EIN 270175554 · Headquarters: Mosinee, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Macarthur Heights Neighborhood Association

    EIN 208996949 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Machickanee Advancement Association Inc

    EIN 391720690 · Headquarters: Lena, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Maciver Impact Inc

    EIN 933706160 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Mad City Huskers

    EIN 364717956 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. Madeline Island Chamber of Commerce

    EIN 391556633 · Headquarters: LA POINTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Madeline Island Historical Preservation Association Inc

    EIN 391585258 · Headquarters: LA POINTE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Madigan Family Foundation

    EIN 237400242 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Madison Academic Staff Network

    EIN 391384652 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Madison Advertising Federation Foundation

    EIN 391630870 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Madison Advertising Federation Inc

    EIN 391390512 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  89. Madison Alcohol Advisory Council Inc

    EIN 271035991 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Madison Area Alpha Delta Pi Alumnae

    EIN 270299852 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. Madison Area Aquatic Hobbyists

    EIN 270889869 · Headquarters: STOUGHTON, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. Madison Area Bridge Club Inc

    EIN 391721873 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Madison Area Builders Association Inc

    EIN 390768547 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Madison Area Construction Employees Trust - Health & Welfare

    EIN 396046679 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Madison Area Crime Stoppers Inc

    EIN 391477061 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Madison Area Intergroup Central Office of Alcoholics Anonymous

    EIN 390836311 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Madison Area Paralegal Association

    EIN 208057779 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Madison Area Preschools Inc Dba Orchard Ridge Nursery School

    EIN 391501336 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Madison Area Rea

    EIN 271698299 · Headquarters: Verona, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Madison Area Rehabilitation Centers Inc

    EIN 390968930 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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