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. Montessori Charter Management Organization

    EIN 465693401 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  2. Montessori Children's Center Inc

    EIN 381985363 · Headquarters: KALAMAZOO, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Montessori Children's Cottage Inc Aka Montessori School of Covington

    EIN 582091835 · Headquarters: COVINGTON, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Montessori Children's House

    EIN 420960478 · Headquarters: West Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Montessori Children's House Grand Traverse

    EIN 382536891 · Headquarters: TRAVERSE CITY, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Montessori Children's House of York

    EIN 232064753 · Headquarters: YORK, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Montessori Children's School

    EIN 341090926 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Montessori Childrens House of Lawrence Inc

    EIN 480913902 · Headquarters: LAWRENCE, KS, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  9. Montessori Community School

    EIN 990150503 · Headquarters: HONOLULU, HI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Montessori Development Partnerships

    EIN 341658439 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Montessori Discovery of the Child Found

    EIN 943147215 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Montessori Discovery School Inc

    EIN 061309852 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Montessori Early Learning Center

    EIN 362754064 · Headquarters: Batavia, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Montessori Education Center of Hawaii

    EIN 030405437 · Headquarters: KAMUELA, HI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Montessori Education Centers Associated Inc

    EIN 362699106 · Headquarters: CLARENDON HILLS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Montessori Educators International Inc

    EIN 621419129 · Headquarters: Louisville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Montessori Elementary School of S'W Cook

    EIN 363043306 · Headquarters: Lemont, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Montessori Families Organization

    EIN 271995746 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. Montessori Foundation of Washington

    EIN 911369630 · Headquarters: ALBANY, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Montessori Freedom to Learn

    EIN 883718476 · Headquarters: Oak Lawn, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  21. Montessori Learning Center Ink

    EIN 393804852 · Headquarters: Fontana, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Montessori Mornings Incorporated

    EIN 463682731 · Headquarters: Belgrade, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Montessori Parent Teacher Community at Annie Fisher Mptc

    EIN 352371201 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Montessori Parents as Partners Inc

    EIN 351816518 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Montessori Progressive Learning Center Inc

    EIN 223001223 · Headquarters: ST ALBANS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Montessori School In Norwich DBA Montessori Childrens School

    EIN 030351617 · Headquarters: Hanover, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Montessori School of Duluth Inc

    EIN 411430963 · Headquarters: DULUTH, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Montessori School of East Rutherford Pt0

    EIN 223757067 · Headquarters: East Rutherford, NJ, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Montessori School of Iowa City

    EIN 420867562 · Headquarters: Coralville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Montessori School of Lake Forest

    EIN 362601978 · Headquarters: LAKE FOREST, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Montessori School of Lake Travis Inc

    EIN 742687983 · Headquarters: Bee Cave, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  32. Montessori School of Laredo

    EIN 815046297 · Headquarters: Laredo, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Montessori School of Pullman Inc

    EIN 910838540 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Montessori School of Sonoma Incorporated

    EIN 942174042 · Headquarters: Sonoma, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Montessori Schoolhouse of Cheshire County Inc

    EIN 020433652 · Headquarters: KEENE, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Montessori Schools of Snohomish County

    EIN 911296113 · Headquarters: Lake Stevens, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  37. Montessori Society of C-u Inc

    EIN 370842737 · Headquarters: SAVOY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Montessori Society of Greater Grand Rapids

    EIN 382473823 · Headquarters: Grand Rapids, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Montessori Society of Huntsville

    EIN 630504958 · Headquarters: HUNTSVILLE, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Montessori Teacher Education Center

    EIN 942699870 · Headquarters: SAN LEANDRO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Montessori Training Center of Minnesota Inc

    EIN 411361913 · Headquarters: ST PAUL, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Montessori Training Center of St Louis Inc

    EIN 237309942 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Montessori Village Academy Inc

    EIN 834301335 · Headquarters: McDonough, GA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  44. Montessori World Educational Institute

    EIN 953440090 · Headquarters: CAMBRIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Monteverde School Inc

    EIN 943180635 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Monteverdi Master Chorale Inc

    EIN 391595574 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Montevideo Area Business Connections Inc

    EIN 473095103 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Montevideo Area United Fund

    EIN 237105644 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Montevideo Community Development Corporation

    EIN 411423806 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Montevideo Girls Tennis Booster Clu B

    EIN 394926687 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Montevideo Improvement Assoc No 1

    EIN 941627221 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Montevideo Ptsa

    EIN 204676830 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Montevideo Youth Sports Club

    EIN 411669911 · Headquarters: Montevideo, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Monteview Canal Company

    EIN 820220152 · Headquarters: MONTEVIEW, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Montevina Phase I Owners Association

    EIN 264637062 · Headquarters: LIVERMORE, CA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  56. Montezuma Canal Company

    EIN 860039812 · Headquarters: Safford, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Montezuma Comm Education Assoc

    EIN 421314424 · Headquarters: Montezuma, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Montezuma Development Corp

    EIN 421066288 · Headquarters: MONTEZUMA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Montezuma Fish & Game Club

    EIN 351054768 · Headquarters: MONTEZUMA, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Montezuma Foundation

    EIN 770176886 · Headquarters: Los Gatos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Montezuma Girls Softball & Boys Baseball

    EIN 473700112 · Headquarters: Montezuma, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Montezuma Heights Water and Airport Company Inc

    EIN 742421628 · Headquarters: CAMP VERDE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Montezuma Lodge No 1 Af & Am Inc

    EIN 814705186 · Headquarters: SANTA FE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Montezuma Reserve Township Volunteer Fire Department

    EIN 351976899 · Headquarters: Montezuma, IN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  65. Montezuma Valley Irrigation Company

    EIN 840270210 · Headquarters: CORTEZ, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Montezuma Valley Volunteer Community Service Organization

    EIN 953173208 · Headquarters: RANCHITA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Montezuma Volunteer Firefighters Fundraising Association Inc

    EIN 853212790 · Headquarters: Montezuma, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Montezuma Water Company

    EIN 840565077 · Headquarters: DOLORES, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Montford Park Players

    EIN 237427417 · Headquarters: Asheville, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Montford Point Marine Association

    EIN 471732269 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Montford Point Marine Association Chapter 10 and L

    EIN 561425253 · Headquarters: JACKSONVILLE, NC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  72. Montford Point Marines Association of Washington Dc

    EIN 521709231 · Headquarters: SPRINGDALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Montfort Jones and Allie Brown Jones Foundation

    EIN 730721557 · Headquarters: BRISTOW, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Montgomery Academy

    EIN 221913112 · Headquarters: BASKING RIDGE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Montgomery Alabama Dog Obedience Club

    EIN 630863080 · Headquarters: Montgomery, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Montgomery Alumnae Chapter of Alpha Gamma Delta Fraternity

    EIN 310971825 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Montgomery Amateur Radio Society

    EIN 710900690 · Headquarters: TROY, NC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  78. Montgomery Ancient Mariners Inc

    EIN 521910304 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Montgomery Area Association of Realtors Inc

    EIN 630378536 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Montgomery Area Cdc Inc

    EIN 631119570 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Montgomery Area Chamber of Commerce

    EIN 630039380 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Montgomery Area Chapter Military Officers Association of America

    EIN 630892393 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Montgomery Area Daylily Society

    EIN 630914770 · Headquarters: Childersburg, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Montgomery Area Dressage and Combined Training Association

    EIN 331203972 · Headquarters: MONTEVALLO, AL, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  85. Montgomery Area Mental Health Autho

    EIN 630911603 · Headquarters: MONTGOMERY, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Montgomery Area Public Library

    EIN 232292571 · Headquarters: MONTGOMERY, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Montgomery Area Square Dance Association Inc

    EIN 630727486 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Montgomery Area Stamp Club

    EIN 680663924 · Headquarters: Wetumpka, AL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. Montgomery Area United Way

    EIN 431330682 · Headquarters: Montgomery City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Montgomery Bar Association

    EIN 230888123 · Headquarters: NORRISTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Montgomery Basketball Association Pa

    EIN 920533629 · Headquarters: NORTH WALES, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Montgomery Botanical Center

    EIN 136153649 · Headquarters: MIAMI, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Montgomery Business Association

    EIN 272090616 · Headquarters: montgomery, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. Montgomery Capital Rotary Charities Inc

    EIN 630857573 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Montgomery Cemetery Memorial Trust Association

    EIN 436041545 · Headquarters: Montgomery City, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Montgomery Central Little League

    EIN 621676427 · Headquarters: CUNNINGHAM, TN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  97. Montgomery Chorale

    EIN 237411679 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Montgomery City-county Public Library

    EIN 237442301 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Montgomery Co Chamber of Commerce

    EIN 350526170 · Headquarters: CRAWFORDSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Montgomery Co Cultural Foundation

    EIN 510155629 · Headquarters: CRAWFORDSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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