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. Natl Order of Trench Rats Sector of Ny

    EIN 900627041 · Headquarters: Jamaica, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. Natl Org of Black Law Enforc Exec

    EIN 521497588 · Headquarters: CAPITOL HEIGHTS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Natl Organization Inv Prof Co Boxer & Assoc

    EIN 931197451 · Headquarters: GREENWOOD VILLAGE, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Natl Orgn for the Prof Adv of Black Chemists & Chemical Engineers

    EIN 581285586 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Natl Soc Colonial Dames Xvii Century

    EIN 883630003 · Headquarters: Sapulpa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Natl Soc Daughters of the Union

    EIN 921369646 · Headquarters: Spring Hill, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Natl Society Colonial Dames Xvii Century

    EIN 646037746 · Headquarters: Olive Branch, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Natl Society of Sons of the American Revolution

    EIN 581707565 · Headquarters: AUGUSTA, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Natl Society of the DAR SaraDeSoto

    EIN 596153056 · Headquarters: Sarasota, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Natl Society Prevention of Blindness

    EIN 136081595 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Natl Society Women Descendants of the Ancient & Honorable Artillery

    EIN 526063797 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Natl Society Women Descendants of the Ancient & Honorable Artillery

    EIN 752522043 · Headquarters: Grosse Pointe Farms, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Natl Society Women Descendants of the Ancient & Honorable Artillery

    EIN 953498887 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Natl Sons of Amvets

    EIN 521663255 · Headquarters: BIDDEFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Nato of Pennsylvania Co Gina Disanto President

    EIN 232543932 · Headquarters: PILLOW, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Nato Theatre Owners of Ny State Inc

    EIN 160876072 · Headquarters: YONKERS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Natoma Station Community Organization

    EIN 680358397 · Headquarters: Folsom, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Natomas Central Mutual Water Company

    EIN 940708995 · Headquarters: RIO LINDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Natomas Park Mommies

    EIN 474055516 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  20. Natomas Racket Club Aquabears

    EIN 812194195 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. Natomas Teachers Association

    EIN 680031442 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Natp Missouri Chapter Inc

    EIN 431501565 · Headquarters: Centertown, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Natp-New Jersey Chapter

    EIN 223024424 · Headquarters: WAYNE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Natrona Council of the Knights of Columbus Home Association

    EIN 251610088 · Headquarters: Natrona, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Natrona County Genealogy Society

    EIN 832473930 · Headquarters: casper, WY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Natrona County High School Parent Teacher Student Association

    EIN 203672515 · Headquarters: Casper, WY, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. Natrona County Medical Society

    EIN 830279979 · Headquarters: Cheyenne, WY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Natrona County Public Library Foundation

    EIN 237248551 · Headquarters: Casper, WY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Natrona County Republican Women

    EIN 923172018 · Headquarters: CASPER, WY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Natrona County Rockhound Club

    EIN 836005556 · Headquarters: Mills, WY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Natrona County Woolgrowers Association

    EIN 742369117 · Headquarters: Casper, WY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Nats Memorial Fund

    EIN 922352655 · Headquarters: Doylestown, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  33. Natso Inc

    EIN 520791433 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Natt-north Americans Trading Together Inc

    EIN 471646691 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Natty Bugs Angel Wings Fund

    EIN 814255490 · Headquarters: Williamsburg, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Natura Womens Club

    EIN 611615295 · Headquarters: Deerfield Beach, FL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Natural Allergy Relief Association

    EIN 300744980 · Headquarters: Studio City, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. Natural Allies Inc

    EIN 852991975 · Headquarters: MONTGOMERY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Natural Alternative Healthcare Inc

    EIN 474425451 · Headquarters: san diego, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  40. Natural Animal Foundation

    EIN 464656376 · Headquarters: carson city, NV, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. Natural Arch and Bridge Society

    EIN 841104822 · Headquarters: Murray, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Natural Bridge Appalachian Trail Club

    EIN 521321057 · Headquarters: Lynchburg, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Natural Burial New Hampshire

    EIN 934957640 · Headquarters: Rochester, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Natural Cancer Wellness Foundation

    EIN 264734380 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  45. Natural Coach

    EIN 471395098 · Headquarters: Matthews, NC, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Natural Communication Inc

    EIN 341531930 · Headquarters: Malvern, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Natural Dharma Fellowship

    EIN 263898758 · Headquarters: Springfield, NH, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Natural Family Living Association

    EIN 472471770 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  49. Natural Family Planning Center of Washington Dc Inc

    EIN 521295528 · Headquarters: TALLAHASSEE, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Natural Family Planning Program of St Joseph County Inc

    EIN 310949873 · Headquarters: south bend, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Natural Fools

    EIN 274390579 · Headquarters: Rogers, AR, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Natural Gas & Energy Association of Oklahoma

    EIN 736111798 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Natural Gas Claims and Litigation Association

    EIN 522084029 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Natural Gas Coalition of Virginia

    EIN 392795565 · Headquarters: RICHMOND, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Natural Gas Political Action Committee

    EIN 237438808 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Natural Gas Supply Association

    EIN 520823671 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Natural Healing Alliance

    EIN 463971875 · Headquarters: Union, NJ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Natural Healthcare Partners

    EIN 452713891 · Headquarters: Henderson, MN, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  59. Natural Heritage Institute

    EIN 943099600 · Headquarters: Corte Madera, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Natural Heritage Trust

    EIN 161019635 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Natural History Society of the Finger Lakes Region Inc

    EIN 222452177 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Natural Hope

    EIN 813928730 · Headquarters: peoria, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Natural Innovation Network Inc

    EIN 453001263 · Headquarters: PLANT CITY, FL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  64. Natural Law Defense Fund

    EIN 814132385 · Headquarters: Holmdel, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Natural Medicine Colorado Dba Rocky Mtn Voter Guide

    EIN 880529919 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  66. Natural Men & Natural Women Organization Inc

    EIN 812921887 · Headquarters: PINEHURST, NC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Natural Men and Natural Women Organization Inc

    EIN 472882399 · Headquarters: Tallahassee, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Natural Men and Natural Women Organization Inc

    EIN 812876177 · Headquarters: Tallahassee, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Natural Path Farm

    EIN 455197830 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Natural Resilience Fund Inc

    EIN 463156820 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Natural Resources Conservancy Inc

    EIN 862617320 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Natural Resources Education Foundation

    EIN 731155859 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Natural Resources Foundation of Wisconsi

    EIN 391572034 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Natural Resources Protective Association of Staten Island Inc

    EIN 133019528 · Headquarters: Staten Island, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Natural Resources Trust of Mansfield Inc

    EIN 237209423 · Headquarters: MANSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Natural Resources Trust of Plainville Inc

    EIN 042626445 · Headquarters: Plainville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Natural Science Collections Alliance

    EIN 480811089 · Headquarters: Herndon, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Natural Shorelines Forever

    EIN 862620588 · Headquarters: ROSE CITY, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Natural State Coalition Inc

    EIN 920877406 · Headquarters: Little Rock, AR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  80. Natural State Community Radio Corp

    EIN 934600708 · Headquarters: North Port, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Natural State Federal Credit Union

    EIN 716052670 · Headquarters: SEARCY, AR, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Natural State Mental Health

    EIN 413625548 · Headquarters: Bella Vista, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Natural Stone Alliance Inc

    EIN 311221820 · Headquarters: Hollis, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Natural Stone Institute

    EIN 382817639 · Headquarters: OBERLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Natural Therapies Associations Inc

    EIN 383846683 · Headquarters: Swannanoa, NC, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  86. Natural Therapies Board

    EIN 900861966 · Headquarters: Black Mountain, NC, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  87. Natural Wellness Association

    EIN 474485518 · Headquarters: Huntington Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  88. Natural Youth Alliance of America

    EIN 943182058 · Headquarters: Spirit Lake, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Naturalists Club of Broome County Inc

    EIN 166072791 · Headquarters: Vestal, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Naturally

    EIN 884082800 · Headquarters: Herndon, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Naturally Aware

    EIN 261386121 · Headquarters: Douglas, WY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Naturally Gifted

    EIN 845184081 · Headquarters: Surprise, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Naturally Proud Network

    EIN 844609514 · Headquarters: North Tustin, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Naturals Chopshop Inc

    EIN 863714215 · Headquarters: Belmont, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Nature Artist

    EIN 571224689 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  96. Nature Association of the Virgin Islands

    EIN 661065045 · Headquarters: Christiansted, VI, VQ · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Nature Camp Foundation Inc

    EIN 541528475 · Headquarters: BLACKSBURG, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Nature Center and Planetarium Ofbrazosport Inc

    EIN 742119500 · Headquarters: Clute, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  99. Nature Coast Back Country Horsemen Inc

    EIN 465181595 · Headquarters: Brooksville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Nature Coast Chapter Womens Council of Realtors Inc

    EIN 141894374 · Headquarters: Brooksville, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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