Unknown & Unclassified nonprofits in Iowa

Unknown & Unclassified nonprofits in Iowa. Browse 15,415 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. Marion Post 298 Bldg Corp

    EIN 426065465 · Headquarters: MARION, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Maroon & White Inc

    EIN 352676844 · Headquarters: Grundy Center, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Marshal F Foch Post 1655 Vfw

    EIN 420396635 · Headquarters: NEWTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  4. Marshall Alano Society Inc

    EIN 237373875 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Marshall Cemetery Association

    EIN 420396580 · Headquarters: Marshalltown, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Marshalltown Area Soccer Club

    EIN 421333072 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Marshalltown Auditorium Foundation

    EIN 421194604 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Marshalltown Chamber of Commerce

    EIN 420283255 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marshalltown Columbus Hall Inc

    EIN 200649345 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  10. Marshalltown Elks Lodge #312

    EIN 420136085 · Headquarters: Marshalltown, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Marshalltown Football League

    EIN 237447585 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Marshalltown Girls Softball Association - Mgs

    EIN 421165211 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Marshalltown Rotary Foundation

    EIN 421208978 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Marshalltown Ymca

    EIN 420722691 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Marshalltown Young Men's Christian Association-ywca

    EIN 421478611 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Martensdale-st Marys Education Association

    EIN 421314237 · Headquarters: Norwalk, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Martha Ellen Tye Foundation

    EIN 421055988 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Martha Seeser Verfaillie Trust % Clinton National Bank

    EIN 426275075 · Headquarters: CLINTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Martin Bros Select Basketball

    EIN 842765030 · Headquarters: PARKERSBURG, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Martin D & Barbara H Rich Family Charitable Foundation

    EIN 363827049 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Martin Luther Home Corporation

    EIN 420713635 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  22. Mary Catherine Hagedorn Trust

    EIN 426291418 · Headquarters: LAKE VIEW, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Mary Louise Gidley Scholarship Fund

    EIN 421091743 · Headquarters: SHENANDOAH, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Mary R Welsh Charitable Trust

    EIN 421189795 · Headquarters: Williamsburg, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Marys Inn

    EIN 364768362 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Mason City & Clear Lake Electric Railroad Historical Society Inc

    EIN 421302762 · Headquarters: CLEAR LAKE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Mason City Chamber of Commerce

    EIN 420398820 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Mason City Chapter 870 Women of the Moose

    EIN 237183624 · Headquarters: Mason City, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Mason City Clinic P C Trust

    EIN 421369969 · Headquarters: Mason City, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Mason City Education Association

    EIN 420932426 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Mason City Lodge 1328 Loyal Order of Moose

    EIN 420386600 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Mason City Public Library Foundation Inc

    EIN 421263454 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Mason City Swim Club

    EIN 237369788 · Headquarters: MASON CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Masonic Charitable Educational Corp

    EIN 426061108 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  35. Masonic Community Center

    EIN 421172258 · Headquarters: Belle Plaine, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Masonic Holding Corporation

    EIN 420399375 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Masonic Temple Association Corning Iowa

    EIN 262132151 · Headquarters: Corning, IA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. Masonic Temple Association Mason Building

    EIN 420399445 · Headquarters: Eldora, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Masonic Temple Association of Mason City

    EIN 420776866 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Masonic Temple Association of Muscatine Iowa

    EIN 420399452 · Headquarters: Muscatine, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Masonic Temple Corporation Foundation Inc

    EIN 421151475 · Headquarters: Evansdale, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Masonry Institute of Iowa

    EIN 421146129 · Headquarters: Johnston, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Masonville Greenwood Cemetery Association Inc

    EIN 421225015 · Headquarters: Manchester, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Massena Fire Department Foundation

    EIN 830338810 · Headquarters: Massena, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. Master Builders of Iowa

    EIN 420399720 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Maurice Wright Trust C/o Two Rivers Bank & Trust

    EIN 426263111 · Headquarters: BURLINGTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Maxwell Ladies Auxiliary to the Vfw Post 8174

    EIN 900407331 · Headquarters: Maxwell, IA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. Maxwell Senior Housing Inc

    EIN 237423532 · Headquarters: Algona, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. May G Gortner Charitable Trust Uw

    EIN 426188676 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. May12 Org

    EIN 454773398 · Headquarters: Ellsworth, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mayberry Manor Inc

    EIN 237175955 · Headquarters: Nashua, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Mayflower Homes Foundation

    EIN 421250939 · Headquarters: GRINNELL, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Mays Prairie Cemetery Assn

    EIN 420842850 · Headquarters: Lansing, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Maysville Cemetery Association

    EIN 420715090 · Headquarters: WALCOTT, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Mc-newman Post Prom

    EIN 991718130 · Headquarters: Mason City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Mccarthybush Foundation

    EIN 421322400 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Mccormick Group

    EIN 421358105 · Headquarters: AMES, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mcfadden Family Foundation

    EIN 474020206 · Headquarters: Fort madison, IA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  59. Mcgregor Achievement Club Inc

    EIN 421346521 · Headquarters: McGregor, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Mcgregor Community Hospital

    EIN 420654030 · Headquarters: MCGREGOR, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Mcgregor Historical Society

    EIN 421096293 · Headquarters: MCGREGOR, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mckinley School Columbus Park Neighborhood Association

    EIN 920520889 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Mcleod Charitable Foundation Inc

    EIN 421329115 · Headquarters: MARION, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Meadowview Recreational Association Inc

    EIN 420860490 · Headquarters: Clinton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Meals on Wheels Association of Marshalltown Iowa

    EIN 421189689 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Meals on Wheels of Mason City Inc

    EIN 420954145 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Mechanical Contractors Association

    EIN 420926630 · Headquarters: URBANDALE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Mechanical Contractors Association of Iowa

    EIN 237401917 · Headquarters: URBANDALE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mechanical Contractors Association of Iowa

    EIN 421078995 · Headquarters: URBANDALE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Mechanical Contractors Association of Iowa Group Return

    EIN 237282438 · Headquarters: URBANDALE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Mediapolis Community Education Association

    EIN 237104859 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mediapolis Community Housing Inc

    EIN 421304826 · Headquarters: MECHANICSVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Mediapolis Love Packages

    EIN 332276488 · Headquarters: Mediapolis, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Mediapolis Optimist Club

    EIN 994961469 · Headquarters: Mediapolis, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Medical Associates Foundation of Dubuque

    EIN 421172640 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. Medical Associates Health Plans

    EIN 391519198 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Melcher Dallas Food Pantry

    EIN 421231447 · Headquarters: Melcher Dallas, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Melcher-dallas Education Association

    EIN 237092804 · Headquarters: Lacona, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Memorial Day Lunch Fund

    EIN 421375881 · Headquarters: Goodell, IA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  80. Memorial Park Cemetery Perp Care Trust

    EIN 276621711 · Headquarters: CEDAR FALLS, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Menders

    EIN 853053333 · Headquarters: Ankeny, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Menlo Development Corporation

    EIN 237391179 · Headquarters: Algona, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Mens Garden Club of Des Moines Inc

    EIN 426121076 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Mental Health America of Dubuque County

    EIN 420931292 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mentor Iowa

    EIN 237329212 · Headquarters: URBANDALE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Mepo Athletic Booster Club Inc

    EIN 421066207 · Headquarters: Burlington, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Mercy Gift Shop

    EIN 420750294 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Mercy Outreach Iowa City Inc

    EIN 421233399 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  89. Mercycare Service Corporation

    EIN 421199429 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. MercyOne

    EIN 421478417 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Meredith Corporation Foundation

    EIN 421426258 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Meredith Mutual Benefit Plan

    EIN 426058625 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Merten J Klaus Park Trust

    EIN 426341363 · Headquarters: Charles City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Meservey Area Promotional Organization

    EIN 421323343 · Headquarters: Meservey, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Metco Credit Union

    EIN 420835734 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Metro Catholic Outreach

    EIN 461959452 · Headquarters: Cedar Rapids, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Metro Youth Football Association

    EIN 237439551 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Metropolitan Chorale Inc

    EIN 421169226 · Headquarters: WATERLOO, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Meyerhoff Charitable Trust

    EIN 426554728 · Headquarters: WATERLOO, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Meyers Meadow Inc C/o Rightway Management Services

    EIN 421075067 · Headquarters: MECHANICSVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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