Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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 Road Knights Inc

    EIN 274250976 · Headquarters: WAUSAU, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Wisconsin Romance Writes of America

    EIN 760237693 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Wisconsin Roofing Contractors Association Inc

    EIN 237416413 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Wisconsin Rottweiler and Working Dog Association Incorporated

    EIN 262977188 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. Wisconsin Rowing Stewards of 1874 Inc

    EIN 202068534 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Wisconsin Rural Letter Carrier Auxilary

    EIN 391906231 · Headquarters: ORFORDVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Wisconsin Rural Letter Carriers Assoication

    EIN 237234705 · Headquarters: COLFAX, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Wisconsin Rural Opportunities Inc

    EIN 863160742 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  9. Wisconsin Rver Valley Racing Pigeon Club

    EIN 260478053 · Headquarters: Milladore, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Wisconsin Safety Patrols Inc

    EIN 237417646 · Headquarters: Mount Horeb, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Wisconsin School Attorneys Association

    EIN 237366266 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wisconsin School Boards for Academic Excellence Inc

    EIN 995028354 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Wisconsin School Bus Association Inc

    EIN 391204976 · Headquarters: WISCONSIN DELLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Wisconsin School Counselor Association Inc

    EIN 260393127 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Wisconsin School of Professional Psychology Inc

    EIN 391319049 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Wisconsin School Psychologists Association

    EIN 391359749 · Headquarters: Wauwatosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Wisconsin Screenwriters Forum Inc

    EIN 391771021 · Headquarters: Mazomanie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Wisconsin Seasonal Residents Association Inc

    EIN 391793275 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Wisconsin Section of the Pga of America Inc

    EIN 391518426 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Wisconsin Security Association Inc

    EIN 391631924 · Headquarters: GREENFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Wisconsin Senior Games Inc

    EIN 391704850 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Wisconsin Sheep Breeders Cooperative

    EIN 391327576 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wisconsin Sheet Metal Workers Health and Benefit Fund

    EIN 351638874 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Wisconsin Sheriffs and Deputy Sheriffs Association Inc

    EIN 391258494 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Wisconsin Sigma Chapter of Sigma Alpha Epsilon

    EIN 461042401 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Wisconsin Sign Association Inc

    EIN 510179052 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Wisconsin Skeet Shooting Association Inc

    EIN 391854908 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Wisconsin Slovak Historical Society Inc

    EIN 391368132 · Headquarters: cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Wisconsin Snobirds Club

    EIN 631063562 · Headquarters: Gulf Shores, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Wisconsin Soccer Association Inc

    EIN 391450967 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Wisconsin Soceity of Enrolled Agents Inc

    EIN 391547060 · Headquarters: WESTBY, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Wisconsin Society Daughters of the American Revolution

    EIN 390871258 · Headquarters: BLOOMER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Wisconsin Society for Clinical Laboratory Science Scholarship Fund Inc

    EIN 396045198 · Headquarters: ST FRANCIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Wisconsin Society of Anesthesiologists Inc

    EIN 391087656 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Wisconsin Society of Cytology Inc State Laboratory of Hygiene

    EIN 391265167 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Wisconsin Society of Emergency Services Instructors Inc

    EIN 391549239 · Headquarters: Wausau, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Wisconsin Society of Land Surveyors

    EIN 391761516 · Headquarters: Rhinelander, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Wisconsin Society of Land Surveyors

    EIN 510141794 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Wisconsin Society of Oral and Maxillofacial Surgeons Inc

    EIN 391410118 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Wisconsin Society of Orthodontists

    EIN 396076428 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Wisconsin Society of Parenteral and Enteral Nutrition Wispen

    EIN 391557210 · Headquarters: MIDDLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Wisconsin Society of Pathologists Inc

    EIN 396091735 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Wisconsin Society of Professional Engineers

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

  44. 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

  45. 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

  46. Wisconsin Soybean Association Inc

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

  47. Wisconsin Soybean Marketing Board Inc

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

  48. Wisconsin Specialty Cheese Institute

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

  49. 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

  50. Wisconsin Sport Truck Association

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

  51. Wisconsin Sportsmans Association Inc

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

  52. Wisconsin State Afl-cio

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

  53. Wisconsin State and Local Tax

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

  54. 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

  55. Wisconsin State Attorneys Association

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

  56. 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

  57. Wisconsin State Council Knights of Columbus

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

  58. 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

  59. 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

  60. Wisconsin State Cranberry Growers Association

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

  61. Wisconsin State Crime Stoppers Inc

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

  62. Wisconsin State Employees Resources

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

  63. 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

  64. Wisconsin State Fire Chiefs Association

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

  65. Wisconsin State Firefighter's Association Inc

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

  66. Wisconsin State Golf Association Inc

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

  67. Wisconsin State Horse Council Inc

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

  68. Wisconsin State Implementation Committee Inc

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

  69. Wisconsin State Journal Youth Services Inc

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

  70. Wisconsin State Lodge Fraternal Ord

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

  71. 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

  72. Wisconsin State Telecommunications Association Inc

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

  73. Wisconsin State Telephone Cooperative Assoc

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

  74. 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

  75. Wisconsin Student Bar Association

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

  76. Wisconsin Student Government

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

  77. Wisconsin Student Public Interest

    EIN 391651504 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. 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

  79. Wisconsin Tavern League Foundation

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

  80. Wisconsin Tavern League Foundation Inc

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

  81. Wisconsin Tavern League Foundation Inc

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

  82. Wisconsin Tavern League Foundation Inc

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

  83. Wisconsin Tavern League Foundation Inc

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

  84. Wisconsin Tavern League Foundation Inc

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

  85. Wisconsin Tavern League Foundation Inc

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

  86. Wisconsin Tavern League Foundation Inc

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

  87. Wisconsin Tavern League Foundation Inc

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

  88. Wisconsin Tavern League Foundation Inc

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

  89. Wisconsin Taxidermists Association Inc

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

  90. Wisconsin Teachers of Local Culture

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

  91. 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

  92. Wisconsin Technology Education Association Inc

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

  93. Wisconsin Transportation Builders Association Inc

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

  94. Wisconsin Trappers Association

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

  95. Wisconsin Troopers Association Inc

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

  96. Wisconsin Undergraduate Law Review

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

  97. Wisconsin Underground Contractors Assn Inc

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

  98. Wisconsin United Athletic Club Inc

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

  99. Wisconsin United for Freedom

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

  100. Wisconsin Upper Michigan Kiwanis Foundation Incorporated

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

First page and all pages