Nonprofits in Middleton, Wisconsin

Nonprofits in Middleton, Wisconsin. Browse 301 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. Hershberger Family Foundation Inc

    EIN 822920163 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Hoover Family Foundation

    EIN 471814997 · Headquarters: Middleton, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. Hope and a Future Inc

    EIN 300437311 · Headquarters: Middleton, WI, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  4. House Theatre Co

    EIN 824012134 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  5. Igs Institute Inc

    EIN 263338762 · Headquarters: middleton, WI, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. Illuman

    EIN 874205285 · Headquarters: MIDDLETON, WI, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Illuminate Foundation

    EIN 863512538 · Headquarters: Middleton, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Immanuel Korean School

    EIN 871206567 · Headquarters: Middleton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Infragard National Members Alliance Inc

    EIN 861137675 · Headquarters: middleton, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  10. Ingold Family Foundation Inc

    EIN 874266982 · Headquarters: MIDDLETON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Inspiring Hope Ministries

    EIN 474652496 · Headquarters: Middleton, WI, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Institute for Global Ethics

    EIN 223061144 · Headquarters: MIDDLETON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990

  13. Institute for Wisconsin's Health Inc

    EIN 205775040 · Headquarters: MIDDLETON, WI, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  14. International Association of Music Libraries Archives &Documentation

    EIN 821461778 · Headquarters: MIDDLETON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. International Bible Ministries Inc

    EIN 760735202 · Headquarters: Middleton, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Iraqi American Cancer Network Inc

    EIN 842238936 · Headquarters: MIDDLETON, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  17. Isthmus Arts and Culture Inc

    EIN 833541424 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Jacobson & Schmitt Advisors Impact Fund

    EIN 876985903 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Janes Journey Home for Dogs Inc

    EIN 872960018 · Headquarters: Middleton, WI, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Jason L and Ana C Stephens Foundation

    EIN 832621149 · Headquarters: Middleton, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Jcrew Foundation Inc

    EIN 921908684 · Headquarters: Middleton, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Jesus Lunch Inc

    EIN 811021162 · Headquarters: Middleton, WI, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Jim and Vicki Struve Family Foundation Inc

    EIN 831151930 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Jnae Inc

    EIN 991371163 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Jova Foundation Inc

    EIN 883839760 · Headquarters: Middleton, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Kalam Tamil Center Inc

    EIN 822579890 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Kiwanis International Inc

    EIN 396089718 · Headquarters: Middleton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Kiwanis International Inc

    EIN 471982739 · Headquarters: Middleton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 391354273 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 391568530 · Headquarters: Middleton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. Kromrey Middle School Parent Teacher Organization

    EIN 462453032 · Headquarters: Middleton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Krupp-grove Family Foundation Inc

    EIN 920277219 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. La Schneiderdhs Mounds and Habitat Uniting Native Tribes Fnd Inc (Mahunt)

    EIN 391962426 · Headquarters: MIDDLETON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. LabElephant Foundation Incorporated

    EIN 862067620 · Headquarters: Middleton, WI, USA · Science & Technology · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  35. Lake Effect Technology Laboratory

    EIN 991989731 · Headquarters: Middleton, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Lazarz Family Foundation Inc

    EIN 261516120 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. League of Chinese American Voters Inc

    EIN 811526344 · Headquarters: MIDDLETON, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Leitzell Family Foundation C/o Karen Hiles

    EIN 562288128 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Lucy Burns Institute Inc

    EIN 208036372 · Headquarters: MIDDLETON, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Mabc Inc

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

  41. Mad Alpine Ski Club Inc

    EIN 843227442 · Headquarters: Middleton, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. 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

  43. Madison Capitol Hockey Assoc Ltd

    EIN 391416006 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Madison Chinese School

    EIN 237401662 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Madison Community Montessori School Inc

    EIN 391488030 · Headquarters: MIDDLETON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Madison Gyro Club

    EIN 396055905 · Headquarters: Middleton, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. Madison Jazz

    EIN 471135353 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Madison Kannada Koota Inc

    EIN 333882556 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Madison Surgery Center Inc

    EIN 391940656 · Headquarters: Middleton, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Madison West Coast Swing Club Inc

    EIN 391875781 · Headquarters: Middleton, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Madison West Middleton Rotary Foundation Inc

    EIN 510163955 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Madison-tepatitlan Sister Cities

    EIN 884184449 · Headquarters: MIDDLETON, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Mazomanie Grounds Association Inc

    EIN 391929028 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Melharmony Foundation

    EIN 474251277 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Men for Equality Inc

    EIN 392182848 · Headquarters: Middleton, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Metavivor Research and Support Inc

    EIN 371578088 · Headquarters: MIDDLETON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Metropolitan Refuse District

    EIN 390989685 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Metropolitan Womans Club of Madison Wisconsin

    EIN 237292397 · Headquarters: MIDDLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. Mhs Theatre Boosters Inc

    EIN 813329852 · Headquarters: Middleton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Michelangelos Workshop Inc

    EIN 812694712 · Headquarters: Middleton, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Middleton Area Development Corporation C/o Jeff Zwettler

    EIN 391288135 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Middleton Area Good Neighbors Inc

    EIN 843024834 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Middleton Area Historical Society

    EIN 237287457 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Middleton Band Boosters

    EIN 871421216 · Headquarters: MIDDLETON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Middleton Baseball and Softball Commission

    EIN 391582851 · Headquarters: MIDDLETON, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Middleton Basketball Club Inc

    EIN 392026991 · Headquarters: MIDDLETON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Middleton Business Watch Partnership Llc

    EIN 331104340 · Headquarters: MIDDLETON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  68. Middleton Cemetery Association C/o Richard Bakken

    EIN 390469793 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Middleton Cemetery Association Trust C/o Richard Bakken

    EIN 396038258 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Middleton Chamber of Commerce Foundation Inc

    EIN 933317875 · Headquarters: Middleton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Middleton Chamber of Commerce Inc

    EIN 390895486 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Middleton Community Police Partnership Inc

    EIN 455419127 · Headquarters: Middleton, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  73. Middleton Community Veterans Tribute Inc

    EIN 471301990 · Headquarters: MIDDLETON, WI, USA · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  74. Middleton Ems Inc

    EIN 391983463 · Headquarters: Middleton, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Middleton Fire Dept-1

    EIN 396075820 · Headquarters: Middleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Middleton Gators Swim and Dive

    EIN 464883202 · Headquarters: Middleton, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Middleton Glen Inc

    EIN 911859494 · Headquarters: MIDDLETON, WI, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Middleton Good Neighbor Festival Inc

    EIN 237370695 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Middleton High School Band Parents Association

    EIN 391575283 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Middleton High School Choral Boosters Inc

    EIN 391517539 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Middleton Law Enforcement Foundation Inc

    EIN 993128359 · Headquarters: Middleton, WI, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Middleton Lions Club

    EIN 392021419 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Middleton Players Theater Inc

    EIN 391722832 · Headquarters: MIDDLETON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Middleton United Soccer Club

    EIN 800619316 · Headquarters: MIDDLETON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Middleton Youth Hockey Inc

    EIN 392037387 · Headquarters: MIDDLETON, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Middleton Youth Lacrosse Club Inc

    EIN 824246821 · Headquarters: Middleton, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Middleton-Cross Plains Area School District Foundation Inc

    EIN 475618597 · Headquarters: Middleton, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Midwest Wilderness First Aid Training Services Inc

    EIN 991671746 · Headquarters: Middleton, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Modern Quilt Guild Inc

    EIN 900924792 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Moms Club

    EIN 320285077 · Headquarters: Middleton, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Moxie Hoops

    EIN 991502134 · Headquarters: Middleton, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Mysc Inc Rush Wisconsin

    EIN 203087789 · Headquarters: MIDDLETON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Active and Retired Federal Employees Association

    EIN 396104892 · Headquarters: Middleton, WI, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. National Air Filtration Association

    EIN 363097306 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. National Air Filtration Association Foundation

    EIN 262497137 · Headquarters: MIDDLETON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. National Association for Pet Container Resources

    EIN 561590867 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. National Association of Women in Construction

    EIN 237116242 · Headquarters: Middleton, WI, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. National Association of Women in Construction

    EIN 272169742 · Headquarters: Middleton, WI, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. National Charity League Inc Madison Area Chapter

    EIN 272963826 · Headquarters: Middleton, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Mustard Museum Inc

    EIN 274810858 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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