Mutual & Membership Benefit nonprofits

Mutual & Membership Benefit nonprofits. Browse 38,861 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. Knights of Columbus

    EIN 383249983 · Headquarters: Fremont, MI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 383256012 · Headquarters: Burton, MI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 383308219 · Headquarters: Saranac, MI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 383321354 · Headquarters: Sand Lake, MI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 383384880 · Headquarters: Flint, MI, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 383388829 · Headquarters: Grosse Pointe Shores, MI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 383557405 · Headquarters: Saginaw, MI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 383704150 · Headquarters: pala, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 383735258 · Headquarters: CLEARWATER, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 383765839 · Headquarters: Milwaukee, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 383767372 · Headquarters: Delray Beach, FL, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 383807206 · Headquarters: Lenora, KS, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 383817408 · Headquarters: Youngstown, OH, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 383820967 · Headquarters: Medford, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 383921212 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 383935225 · Headquarters: san antonio, TX, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 390399840 · Headquarters: La Crosse, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 390399847 · Headquarters: Green Bay, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 390735486 · Headquarters: Kaukauna, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 390923617 · Headquarters: Oshkosh, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 391085940 · Headquarters: Two Rivers, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 391146625 · Headquarters: Menasha, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 391208551 · Headquarters: West Allis, WI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 391256382 · Headquarters: Hartford, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 391322593 · Headquarters: Cashton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 391340106 · Headquarters: Reedsville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. Knights of Columbus

    EIN 391344958 · Headquarters: Mercer, WI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. Knights of Columbus

    EIN 391353493 · Headquarters: De Pere, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 391384650 · Headquarters: Colgate, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 391396733 · Headquarters: Hortonville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Knights of Columbus

    EIN 391458131 · Headquarters: Owen, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. Knights of Columbus

    EIN 391476302 · Headquarters: Twin Lakes, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Knights of Columbus

    EIN 391484897 · Headquarters: freedom, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 391496226 · Headquarters: Merrill, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 391518427 · Headquarters: Fennimore, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  36. Knights of Columbus

    EIN 391522834 · Headquarters: Marinette, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Knights of Columbus

    EIN 391524411 · Headquarters: RIO, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 391567558 · Headquarters: Crandon, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  39. Knights of Columbus

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

  40. Knights of Columbus

    EIN 391575650 · Headquarters: Cazenovia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Knights of Columbus

    EIN 391687353 · Headquarters: Rib Lake, WI, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. Knights of Columbus

    EIN 391733737 · Headquarters: LITTLE CHUTE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Knights of Columbus

    EIN 391737217 · Headquarters: Evansville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  44. Knights of Columbus

    EIN 391752097 · Headquarters: Medford, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Knights of Columbus

    EIN 391787748 · Headquarters: Campbellsport, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Knights of Columbus

    EIN 391793916 · Headquarters: Oshkosh, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Knights of Columbus

    EIN 391871747 · Headquarters: Fredonia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  48. Knights of Columbus

    EIN 391967633 · Headquarters: Stoughton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Knights of Columbus

    EIN 391989253 · Headquarters: Gays Mills, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Knights of Columbus

    EIN 392073211 · Headquarters: Radcliff, KY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Knights of Columbus

    EIN 393067530 · Headquarters: Grafton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Knights of Columbus

    EIN 393197797 · Headquarters: REEDLEY, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 394188313 · Headquarters: METUCHEN, NJ, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Knights of Columbus

    EIN 410750029 · Headquarters: Melrose, MN, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Knights of Columbus

    EIN 411308835 · Headquarters: Plymouth, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus

    EIN 411402750 · Headquarters: Onamia, MN, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Knights of Columbus

    EIN 411454421 · Headquarters: Duluth, MN, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Knights of Columbus

    EIN 411455010 · Headquarters: Richmond, MN, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. Knights of Columbus

    EIN 411641247 · Headquarters: Chanhassen, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Knights of Columbus

    EIN 411765518 · Headquarters: Madison, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Knights of Columbus

    EIN 411852262 · Headquarters: Foreston, MN, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Knights of Columbus

    EIN 411855608 · Headquarters: Coon Rapids, MN, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Knights of Columbus

    EIN 411877809 · Headquarters: Lake Shore, MN, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Knights of Columbus

    EIN 411888956 · Headquarters: St Paul, MN, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  65. Knights of Columbus

    EIN 412020424 · Headquarters: Avon, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Knights of Columbus

    EIN 412062291 · Headquarters: Hackensack, MN, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Knights of Columbus

    EIN 412144784 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Knights of Columbus

    EIN 412184708 · Headquarters: Laredo, TX, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. Knights of Columbus

    EIN 412188125 · Headquarters: Sterling, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 412195769 · Headquarters: mansfield, MA, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Knights of Columbus

    EIN 412223110 · Headquarters: Aurora, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Knights of Columbus

    EIN 412277710 · Headquarters: APO, AE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Knights of Columbus

    EIN 413328865 · Headquarters: ZAPATA, TX, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Knights of Columbus

    EIN 421105114 · Headquarters: Pocahontas, IA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. Knights of Columbus

    EIN 421148924 · Headquarters: Spencer, IA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. Knights of Columbus

    EIN 421171672 · Headquarters: Guthrie Center, IA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  77. Knights of Columbus

    EIN 421192003 · Headquarters: Sloan, IA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. Knights of Columbus

    EIN 421222737 · Headquarters: Harper, IA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. Knights of Columbus

    EIN 421232929 · Headquarters: Saint Ansgar, IA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Knights of Columbus

    EIN 421233291 · Headquarters: Sioux City, IA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Knights of Columbus

    EIN 421300054 · Headquarters: Epworth, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  82. Knights of Columbus

    EIN 421310927 · Headquarters: Greenfield, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  83. Knights of Columbus

    EIN 421319274 · Headquarters: Adel, IA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  84. Knights of Columbus

    EIN 421418374 · Headquarters: Panora, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. Knights of Columbus

    EIN 421636225 · Headquarters: Ellicott City, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Knights of Columbus

    EIN 421764280 · Headquarters: Philadelphia, PA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Knights of Columbus

    EIN 431032419 · Headquarters: BLUE SPRINGS, MO, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. Knights of Columbus

    EIN 431147399 · Headquarters: Ballwin, MO, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Knights of Columbus

    EIN 431207937 · Headquarters: RICHMOND, MO, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Knights of Columbus

    EIN 431211628 · Headquarters: Forsyth, MO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Knights of Columbus

    EIN 431360705 · Headquarters: HIGH RIDGE, MO, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  92. Knights of Columbus

    EIN 431458566 · Headquarters: Saint Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  93. Knights of Columbus

    EIN 431579858 · Headquarters: HOUSE SPRINGS, MO, USA · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990

  94. Knights of Columbus

    EIN 431686874 · Headquarters: Centralia, MO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Knights of Columbus

    EIN 431952590 · Headquarters: Roanoke, VA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. Knights of Columbus

    EIN 431977707 · Headquarters: Queen Anne, MD, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  97. Knights of Columbus

    EIN 431979130 · Headquarters: Galion, OH, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. Knights of Columbus

    EIN 431979540 · Headquarters: Springdale, AR, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Knights of Columbus

    EIN 432000598 · Headquarters: Alamogordo, NM, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Knights of Columbus

    EIN 432003206 · Headquarters: Tucson, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

First page and all pages