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. National Confrence of State Societies Washington District of C

    EIN 300559132 · Headquarters: Falls Church, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. National Confrence of State Societies Washington District of C

    EIN 300559138 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. National Congress of American Indians

    EIN 530210846 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Congress of American Indians Fund

    EIN 536017907 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Congress of Neighborhood Women Inc

    EIN 112400731 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  6. National Consortium of Breast Centers Inc

    EIN 222721653 · Headquarters: WARSAW, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. National Consortium of Chemical Dependency Nurses

    EIN 930979671 · Headquarters: Veneta, OR, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. National Constables & Marshals Association

    EIN 232000136 · Headquarters: SHREVEPORT, LA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. National Construction Alliance Ii

    EIN 262791310 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990

  10. National Consumer Research Alliance

    EIN 263195209 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  11. National Contract Management Assn

    EIN 261819071 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  12. National Contract Management Assn

    EIN 800481558 · Headquarters: S JORDAN, UT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  13. National Contract Management Association

    EIN 113304258 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  14. National Contract Management Association

    EIN 273683938 · Headquarters: La Canada, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. National Contract Management Association

    EIN 274523034 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  16. National Contract Management Association

    EIN 311669642 · Headquarters: Reynoldsburg, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. National Contract Management Association

    EIN 330254746 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. National Contract Management Association

    EIN 383641843 · Headquarters: Greenwood, IN, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. National Contract Management Association

    EIN 431937029 · Headquarters: Saint Peters, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. National Contract Management Association

    EIN 521997106 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. National Contract Management Association

    EIN 541793520 · Headquarters: Virginia Beach, VA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. National Contract Management Association

    EIN 541816272 · Headquarters: Monroeville, PA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. National Contract Management Association

    EIN 582213103 · Headquarters: Macon, GA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  24. National Contract Management Association

    EIN 752977914 · Headquarters: Chester, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. National Contract Management Association

    EIN 760512224 · Headquarters: League City, TX, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. National Contract Management Association

    EIN 810559571 · Headquarters: Rush, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. National Contract Management Association

    EIN 956078562 · Headquarters: Reston, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. National Contract Management Association Group Trust

    EIN 237034320 · Headquarters: Reston, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. National Cooperative of Health Networks Assoc

    EIN 450449228 · Headquarters: Oakland Park, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. National Coordinating Committee for Multiemployer Plans

    EIN 521041104 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Correctional Industries Association Inc

    EIN 521132597 · Headquarters: HALETHORPE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. National Corrugated Steel Pipe

    EIN 362338207 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. National Corvette Restorers Society

    EIN 010506527 · Headquarters: Weston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Corvette Restorers Society Delaware Valley Chapter

    EIN 232487537 · Headquarters: Newtown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. National Corvette Restorers Society Inc

    EIN 061259147 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. National Corvette Restorers Society Texas Chapter

    EIN 752147755 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. National Cosmetology Association of Mississippi Inc

    EIN 646024885 · Headquarters: MADISON, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. National Costumers Association

    EIN 237147460 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. National Cotton Council of America

    EIN 620306045 · Headquarters: CORDOVA, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. National Cotton Ginners Association

    EIN 756030070 · Headquarters: CORDOVA, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. National Cottonseed Products Association Inc

    EIN 620306070 · Headquarters: CORDOVA, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. National Counc of Negro Women Inc

    EIN 742788495 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Counc of Negro Women Inc

    EIN 823561385 · Headquarters: Centreville, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. National Counc of Negro Women Inc

    EIN 911917320 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Council Acoustical Consultants

    EIN 222470786 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Council Daughters of America

    EIN 314352953 · Headquarters: AMELIA, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. National Council for Air and Stream Improvement Inc

    EIN 131085344 · Headquarters: CARY, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Council for Freedom and Enterprise Inc

    EIN 541785645 · Headquarters: Fredericksburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Council for Geocosmic Research Dallas-ft Worth Chapter

    EIN 933176750 · Headquarters: The Colony, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. National Council for Geocosmic Research Inc

    EIN 522013894 · Headquarters: Crownsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. National Council for Geocosmic Research Inc

    EIN 900642129 · Headquarters: Elk Grove, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Council for Geocosmic Research Inc Buffalo Cleveland Cha

    EIN 333628193 · Headquarters: Kennedy, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Council for Geographic Education

    EIN 046050994 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. National Council for Higher Education

    EIN 521875154 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. National Council for History Education Inc

    EIN 341651020 · Headquarters: UNIVERSITY HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. National Council for Languages and International Studies

    EIN 521221108 · Headquarters: GARRETT PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Council for Learning Resources

    EIN 742697958 · Headquarters: Winston Salem, NC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. National Council for Marketing and Public Relations

    EIN 237345483 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Council for Prescription Drug Programs Inc

    EIN 860330782 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Council for Preservation Education

    EIN 521558569 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  61. National Council for Therapeutic Recreation Certification Inc

    EIN 752047906 · Headquarters: NEW CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. National Council Freeher Network

    EIN 882136332 · Headquarters: ROXBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. National Council Junior Order United American Mechanics

    EIN 231173150 · Headquarters: KNOXVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. National Council Negro Women Greenville County Section

    EIN 843054118 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. National Council of 56 Clubs

    EIN 611263883 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Council of Agricultural Employers

    EIN 520804517 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. National Council of Architectural Registration Boards

    EIN 730684309 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. National Council of Asian Pacific Islander Physicians

    EIN 273429376 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. National Council of Associations of Chinese Language Schools

    EIN 330695758 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. National Council of Beta Alpha Psi Group Return

    EIN 363554982 · Headquarters: LAKEWOOD RANCH, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. National Council of Catholic Women

    EIN 521738369 · Headquarters: Fairfax, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. National Council of Coal Lessors Inc

    EIN 530200607 · Headquarters: Huntington, WV, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. National Council of Corvette Clubs Inc

    EIN 237153103 · Headquarters: Elmhurst, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. National Council of Educational Support Professionals

    EIN 900215402 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. National Council of Family Relations

    EIN 364676521 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Council of Farmer Cooperatives

    EIN 530115150 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. National Council of Field Labor Locals

    EIN 237241799 · Headquarters: EAST STONE GAP, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Council of Higher Education Loan Programs

    EIN 541204566 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. National Council of Instructional Administrators Inc

    EIN 521162312 · Headquarters: LINCOLN, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Council of Insurance Legislators

    EIN 237412297 · Headquarters: Belmar, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. National Council of Investigation and Security Services Inc

    EIN 521044213 · Headquarters: EVANS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. National Council of Jewish Women

    EIN 046151904 · Headquarters: North Dartmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. National Council of Jewish Women

    EIN 111666847 · Headquarters: BROOKLYN, NY, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. National Council of Jewish Women

    EIN 226090990 · Headquarters: Fair Lawn, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Council of Jewish Women Co Ntra Costa

    EIN 680037672 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. National Council of Jewish Women Hampton Roads Section Inc

    EIN 546054033 · Headquarters: Hampton, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. National Council of Jewish Women Incorporated

    EIN 016019380 · Headquarters: PORTLAND, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. National Council of Jewish Women Incorporated

    EIN 061078644 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  89. National Council of Jewish Women Incorporated

    EIN 116036444 · Headquarters: Bellmore, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. National Council of Jewish Women Incorporated

    EIN 226090988 · Headquarters: Cranford, NJ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. National Council of Jewish Women Incorporated

    EIN 232040220 · Headquarters: Warrington, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. National Council of Jewish Women Incorporated

    EIN 237427146 · Headquarters: Edison, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. National Council of Jewish Women Incorporated

    EIN 330424768 · Headquarters: Laguna Woods, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Council of Jewish Women Incorporated

    EIN 576023372 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. National Council of Jewish Women Incorporated

    EIN 742483767 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. National Council of Jewish Women Incorporated

    EIN 942667831 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. National Council of Jewish Women Sacramento

    EIN 941721614 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. National Council of Jewish Women Valencia Shores Section Inc

    EIN 364671325 · Headquarters: Lake Worth, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. National Council of Negro Women

    EIN 223286143 · Headquarters: Rahway, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Council of Negro Women

    EIN 392119513 · Headquarters: Lawrenceville, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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