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. Wisconsin Society of Professional Engineers

    EIN 390768362 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Wisconsin Society of Professional Engineers Western Chapter

    EIN 010935653 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Wisconsin Society of Professional Soil Scientists

    EIN 237236711 · Headquarters: Juneau WI, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Wisconsin Soybean Association Inc

    EIN 237293364 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Wisconsin Soybean Marketing Board Inc

    EIN 391471066 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Wisconsin Specialty Cheese Institute

    EIN 391606333 · Headquarters: Monroe, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. Wisconsin Speleological Society Inc

    EIN 237449699 · Headquarters: PR DU SAC, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Wisconsin Sport Truck Association

    EIN 460482851 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Wisconsin Sportsmans Association Inc

    EIN 396073636 · Headquarters: Sturtevant, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Wisconsin State Afl-cio

    EIN 390941964 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Wisconsin State and Local Tax

    EIN 392461898 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Wisconsin State Association of Occupational Health Nurses Inc

    EIN 391664535 · Headquarters: Reedsburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Wisconsin State Attorneys Association

    EIN 237335089 · Headquarters: Glendale, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Wisconsin State Conference of the International Brotherhood Of

    EIN 396077457 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Wisconsin State Council Knights of Columbus

    EIN 237142803 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Wisconsin State Council of Emergency Nurses Assn

    EIN 363310060 · Headquarters: New Berlin, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Wisconsin State County and Municipal Employees Union Building Corporation

    EIN 391256651 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Wisconsin State Cranberry Growers Association

    EIN 391275145 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Wisconsin State Crime Stoppers Inc

    EIN 391673909 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Wisconsin State Employees Resources

    EIN 814457049 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  21. Wisconsin State Fair Dairy Promotion Fund Inc

    EIN 391583019 · Headquarters: MAYVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Wisconsin State Fire Chiefs Association

    EIN 237189906 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wisconsin State Firefighter's Association Inc

    EIN 396127039 · Headquarters: MAZOMANIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Wisconsin State Golf Association Inc

    EIN 391092159 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. Wisconsin State Horse Council Inc

    EIN 391347729 · Headquarters: Columbus, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Wisconsin State Implementation Committee Inc

    EIN 391913795 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Wisconsin State Journal Youth Services Inc

    EIN 396051817 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Wisconsin State Lodge Fraternal Ord

    EIN 330999789 · Headquarters: WEST BEND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Wisconsin State Patrol Alumni Association Inc

    EIN 453041058 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Wisconsin State Telecommunications Association Inc

    EIN 390845874 · Headquarters: MONONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Wisconsin State Telephone Cooperative Assoc

    EIN 391457644 · Headquarters: Strum, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Wisconsin Steam Antique Engine Club Inc

    EIN 391413473 · Headquarters: Chilton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Wisconsin Student Bar Association

    EIN 391082713 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Wisconsin Student Government

    EIN 463377123 · Headquarters: Plover, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Wisconsin Swiss Limburger Cheese Prod Assn

    EIN 390716244 · Headquarters: Monroe, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Wisconsin Tavern League Foundation

    EIN 922648310 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Wisconsin Tavern League Foundation Inc

    EIN 452751344 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Wisconsin Tavern League Foundation Inc

    EIN 453546728 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Wisconsin Tavern League Foundation Inc

    EIN 461056530 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Wisconsin Tavern League Foundation Inc

    EIN 461331454 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Wisconsin Tavern League Foundation Inc

    EIN 462988118 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Wisconsin Tavern League Foundation Inc

    EIN 810835828 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Wisconsin Tavern League Foundation Inc

    EIN 812068210 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Wisconsin Tavern League Foundation Inc

    EIN 813351871 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Wisconsin Tavern League Foundation Inc

    EIN 814256241 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Wisconsin Taxidermists Association Inc

    EIN 391501345 · Headquarters: Blanchardville, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  47. Wisconsin Teachers of Local Culture

    EIN 814553026 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Wisconsin Technical College District Boards Association Inc

    EIN 237121958 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Wisconsin Technology Education Association Inc

    EIN 237169132 · Headquarters: Watertown, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Wisconsin Transportation Builders Association Inc

    EIN 390138120 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Wisconsin Trappers Association

    EIN 391365154 · Headquarters: Oregon, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Wisconsin Troopers Association Inc

    EIN 391819469 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Wisconsin Undergraduate Law Review

    EIN 331364101 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Wisconsin Underground Contractors Assn Inc

    EIN 390745462 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Wisconsin United Athletic Club Inc

    EIN 391312455 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Wisconsin United for Freedom

    EIN 834561093 · Headquarters: De Pere, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Wisconsin Upper Michigan Kiwanis Foundation Incorporated

    EIN 391455222 · Headquarters: BERLIN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Wisconsin Utilities Association Inc

    EIN 930728484 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Wisconsin Utility Investors Inc

    EIN 391371544 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Wisconsin Valley Chapter of Amer Soc of Chrtrd Lf Undrwrtr Inc

    EIN 391340809 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Wisconsin Values Inc

    EIN 921297340 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Wisconsin Venture Captial and Seed Investor Association Inc

    EIN 300081011 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Wisconsin Veterinary Medical Association

    EIN 390815822 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Wisconsin Victim-witness Professionals

    EIN 391687908 · Headquarters: Mondovi, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Wisconsin Vietnam Veterans Chapter 7

    EIN 391905585 · Headquarters: RICHLAND CENTER, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Wisconsin Vietnam Vets Chapter 5

    EIN 391876924 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Wisconsin Vietnam Vets Inc

    EIN 391524492 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wisconsin Vintners Association

    EIN 901074646 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Wisconsin Visual Artists Inc

    EIN 391341621 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Wisconsin Volleyball Coaches Association

    EIN 900420951 · Headquarters: STOUGHTON, WI, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  71. Wisconsin Water Alliance Inc

    EIN 823012728 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Wisconsin West Lacrosse Officials Association

    EIN 464641586 · Headquarters: McFarland, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  73. Wisconsin Wine and Spirit Institute

    EIN 390776310 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Wisconsin Winnebago Itasca State Club

    EIN 800179543 · Headquarters: Birchwood, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Wisconsin Women of Today Inc

    EIN 391567474 · Headquarters: SHAWANO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Wisconsin Women's Business Initiative Corporation

    EIN 391597954 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Wisconsin Women's Network

    EIN 391194583 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Wisconsin Workers Compensation Insurance

    EIN 396084300 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wisconsin Working Stock Dog Association

    EIN 391447406 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wisconsin World Affairs Council Inc

    EIN 391247797 · Headquarters: West Allis, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Wisconsin World Organization of Chi Na Painters

    EIN 800361032 · Headquarters: Marshall, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. Wisconsin Youth Company Inc

    EIN 237401836 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Wisconsin Youth Rugby Inc

    EIN 852538940 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Wisconsin Youth Scholarship Foundation Inc

    EIN 391483389 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Wisconsin Youth Symphony Orchestras Foundation Inc

    EIN 391969232 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Wisconsininterscholasticswimmingcoachesassociation

    EIN 475603785 · Headquarters: De Pere, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Wisconsinites for Consumer Freedom Inc

    EIN 475191524 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Wisconson Painting Contractors Association

    EIN 391258007 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Wiscosh Inc

    EIN 391343205 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. With a Little Help Inc

    EIN 391440047 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Wittenberg Area Development Corp

    EIN 391277672 · Headquarters: Wittenberg, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Wittenberg-birnamwood Education Association

    EIN 237086962 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Wittenberg-birnamwood Support Personnel Association

    EIN 391747325 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Wiws Green Dragon

    EIN 993648039 · Headquarters: Sussex, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Wlcfs Building Corporation

    EIN 391657325 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Wm & Hettie Gapen Education Fund 020208

    EIN 396215247 · Headquarters: BELOIT, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  97. Wm Putneyun of Ne Fdn Tuw

    EIN 476115753 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Wm Williamson Char Foundation Ta

    EIN 466017126 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  99. Wmc Foundation Inc

    EIN 391394068 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Wmc Issues Mobilization Council Inc

    EIN 391743887 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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