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. Mascoutah Lodge No 815

    EIN 370402640 · Headquarters: MASCOUTAH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Mascoutah Police Benevolent Association Unit 196

    EIN 262023392 · Headquarters: Mascoutah, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Mascoutah Tuesday Womens Club Inc

    EIN 371137797 · Headquarters: Mascoutah, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Mascoutah Weekend Meals Nfp

    EIN 824928765 · Headquarters: Mascoutah, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Mascoutin Ladies Golf League

    EIN 991304052 · Headquarters: Ripon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Masda Inc

    EIN 581306611 · Headquarters: Stone Mountain, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Masek Foundation

    EIN 470666161 · Headquarters: GERING, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Masel Family Charitable Trust

    EIN 237452541 · Headquarters: HUNTINGDON VALLEY, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Mashantum Tennis Club Inc

    EIN 042350093 · Headquarters: DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Mashapaug Lake Association Inc

    EIN 061308037 · Headquarters: Union, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Mashburn Cemetery

    EIN 592425617 · Headquarters: PANAMA CITY, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Mashdots College

    EIN 954390560 · Headquarters: Glendale, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  13. Mashek Family Foundation

    EIN 752080801 · Headquarters: WEST PALM BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Mashitz Family Charitable Foundation

    EIN 133939863 · Headquarters: MONSEY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Mashpee Chamber of Commerce Inc

    EIN 222535556 · Headquarters: Mashpee, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Mashpee Community Media Center Inc

    EIN 454985116 · Headquarters: MASHPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Mashpee Polar Bear Club Inc

    EIN 371747289 · Headquarters: MASHPEE, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  18. Masjid Al Islam Incorporated

    EIN 943062482 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  19. Masjid Al-haqq Inc

    EIN 223027000 · Headquarters: Newark, NJ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Masjid Al-hidayah Islamic Cultural Center Inc

    EIN 455082296 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. Masjid Al-Taqwa

    EIN 115112900 · Headquarters: Altadena, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Masjid Ansar Inc

    EIN 333619399 · Headquarters: NORFOLK, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Masjid Gibrael Inc

    EIN 330067878 · Headquarters: SAN GABRIEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Masjid Ibaadillah

    EIN 954266973 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Masjid Imam Muqbil Al Wadi Inc

    EIN 810752319 · Headquarters: Bronx, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  26. Masjid Mosque As-salaam Orthodox Islamic Movement

    EIN 237252517 · Headquarters: Detroit, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Masjid Qurtuba

    EIN 954411578 · Headquarters: Monrovia, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. Masjid-e-Ali

    EIN 222413703 · Headquarters: Somerset, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Masjid-e-tahoora

    EIN 363937959 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  30. Maskat Shriners

    EIN 750417990 · Headquarters: WICHITA FALLS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Masked to Help Foundation

    EIN 832465516 · Headquarters: FRISCO, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Maskenohza Rod & Gun Club

    EIN 231288525 · Headquarters: ALLENTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Maskline Clark for Mariners Home

    EIN 236205875 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Masks 4 Medical Heroes Inc

    EIN 851031187 · Headquarters: Lancaster, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Mason 16 Firefighter Association

    EIN 465766405 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. Mason and Company

    EIN 473635450 · Headquarters: Cantonment, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Mason Area Chamber of Commerce

    EIN 311013854 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Mason Area Chamber of Commerce

    EIN 381988898 · Headquarters: MASON, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Mason Area Historical Society

    EIN 382518128 · Headquarters: Mason, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Mason Athletic Booster Association

    EIN 264408416 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Mason Benson Center

    EIN 237229939 · Headquarters: GRAPEVIEW, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Mason Center

    EIN 831192240 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. Mason Charitable Trust

    EIN 510171871 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Mason Christian Village Inc

    EIN 311173965 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. 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

  46. Mason City Chamber of Commerce

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

  47. 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

  48. 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

  49. Mason City Education Association

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

  50. 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

  51. 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

  52. Mason City Swim Club

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

  53. Mason Co Shooters

    EIN 922281134 · Headquarters: MILTON, WV, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. Mason Comets Baseball Club Fund

    EIN 870779631 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  55. Mason Community Players Inc

    EIN 310985553 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Mason Contractor Association of Sacramento Inc

    EIN 237129166 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Mason Contractor's Association Inc

    EIN 381459461 · Headquarters: BLOOMFIELD HILLS, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Mason Contractors Association of America

    EIN 362211610 · Headquarters: ALGONQUIN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Mason Contractors Association of California Inc

    EIN 952409147 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mason Contractors Association of Connecticut Inc

    EIN 060940503 · Headquarters: GRANBY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Mason Contractors Association of Indianapolis

    EIN 237104339 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Mason Contractors Association of Milwaukee

    EIN 391189154 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Mason Contractors Association of St Louis

    EIN 430396230 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Mason Contractors Association of Toledo

    EIN 237359546 · Headquarters: TOLEDO, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Mason Contractors Exchange of So Calif

    EIN 952276059 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Mason County 4-H Shooting Sports Development Committee

    EIN 371763901 · Headquarters: Scottville, MI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Mason County 4-H Small Animal Developmental Committee

    EIN 611736825 · Headquarters: Scottville, MI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. Mason County Area Chamber of Commerce

    EIN 550320539 · Headquarters: Point Pleasant, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Mason County Association of Retired School Employees

    EIN 272581040 · Headquarters: Pt Pleasant, WV, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Mason County Chamber of Commerce

    EIN 740768355 · Headquarters: MASON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Mason County Eastern Education Assn

    EIN 382101464 · Headquarters: Custer, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Mason County Economic Development Alliance

    EIN 382950628 · Headquarters: LUDINGTON, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Mason County Emergency Food Bank

    EIN 800224544 · Headquarters: Point Pleasant, WV, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  74. Mason County Extension District Public Properties Corporation

    EIN 611225209 · Headquarters: Maysville, KY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Mason County Farm Bureau

    EIN 370664114 · Headquarters: HAVANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Mason County Farm Bureau

    EIN 741242084 · Headquarters: MASON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Mason County Farm Bureau Inc

    EIN 386095298 · Headquarters: Cadillac, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Mason County Fire Protection District No 4 Firefighters and Aux

    EIN 911178016 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Mason County Generalogical and Historical Society

    EIN 371089368 · Headquarters: Havana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Mason County Historical Society

    EIN 916176074 · Headquarters: SHELTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Mason County Outdoor Youth Expo

    EIN 463776589 · Headquarters: Point Pleasant, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Mason County Right to Life

    EIN 991880857 · Headquarters: Ludington, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Mason County School Employees Credit Union

    EIN 386069094 · Headquarters: Ludington, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  84. Mason County School Retirees Association

    EIN 364646128 · Headquarters: SHELTON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mason County Walleye Association Inc

    EIN 382768083 · Headquarters: Ludington, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Mason District Hospital Foundation

    EIN 371247906 · Headquarters: HAVANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Mason District Little League Inc

    EIN 541145966 · Headquarters: Annandale, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Mason District of Michigan Education Association

    EIN 381885876 · Headquarters: MASON, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Mason Dixon Athletic Club Inc

    EIN 310964928 · Headquarters: LOUISVILLE, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Mason Dixon Bass Anglers

    EIN 880955314 · Headquarters: Orrtanna, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Mason Dixon Chapter of N C R S Inc

    EIN 521729706 · Headquarters: Owings mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Mason Dixon Cover Dog Club

    EIN 271012417 · Headquarters: Addison, PA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. Mason Dixon Historical Society Inc

    EIN 237309592 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Mason Dixon Line Chapter of Delta Waterfowl

    EIN 333600629 · Headquarters: Bismarck, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Mason Dixon Pa-c Wing D Riders

    EIN 922444622 · Headquarters: SAINT THOMAS, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Mason Dixon Post 194

    EIN 520734467 · Headquarters: RISING SUN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Mason Dixon Reef Club

    EIN 352538520 · Headquarters: Temple, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. Mason Dixon Square Dancers Federation Inc

    EIN 526054285 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Mason Foundation Inc

    EIN 363101263 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Mason High School Class of 1994 Reunion

    EIN 465369355 · Headquarters: Centerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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