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 Center for Teaching Thinking Inc

    EIN 223184806 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  2. National Center for Victims of Inte Rnet Crimes Incorporated

    EIN 393854644 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Center for Youth Issues

    EIN 621132218 · Headquarters: Chattanooga, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Center for Youth Law

    EIN 942506933 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Center of Small Communities

    EIN 256190254 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. National Center on Sexual Exploitation Action

    EIN 862458921 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. National Center to Encourage Judaism

    EIN 521194529 · Headquarters: KENSINGTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. National Centers for Learning Excellence Inc

    EIN 391031440 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. National Centralites

    EIN 900607746 · Headquarters: KANSAS CITY, MO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. National Certification Board for Therapeutic Massage & Bodywork Inc

    EIN 541717110 · Headquarters: BURR RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Certification Commission for Acupuncture and Oriental Medicine

    EIN 112760706 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. National Certification Corporation for Obstetric Gynecologic & Neonatal Specialties

    EIN 362906995 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. National Certification Council for Activity Professionals

    EIN 363479935 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. National Certified Pipe Welding Bureau Wisconsin Chapter

    EIN 396062016 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. National Certifying Board for Otorhinolaryngology Regi and Head-Neck Nurses

    EIN 363859447 · Headquarters: New Smyrna, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Challenged Homeschoolers Associated Network

    EIN 911583969 · Headquarters: MOYIE SPRINGS, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. National Championship Bull Riders

    EIN 463416382 · Headquarters: Quitman, AR, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  18. National Charitable Partners Inc

    EIN 330256090 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  19. National Charity League - Capistrano Coast Chapter

    EIN 330238134 · Headquarters: San Juan Capistrano, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. National Charity League Coachella Valley

    EIN 956106717 · Headquarters: PALM DESERT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. National Charity League Inc

    EIN 956120599 · Headquarters: PLANO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. National Charity League Inc

    EIN 956196017 · Headquarters: PALM SPRINGS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. National Charity League Inc Central Nj Chapter

    EIN 883470353 · Headquarters: Edison, NJ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. National Charity League Inc Conejo Valley Chapter

    EIN 953553623 · Headquarters: WESTLAKE VILLAGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. National Charity League Inc Eastern Shore Chapter

    EIN 812903650 · Headquarters: Daphne, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. National Charity League Inc Foothill Chapter

    EIN 956060191 · Headquarters: Upland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. National Charity League Inc Inverne Ss Il Chapter

    EIN 423369457 · Headquarters: SOUTH BARRINGTON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Charity League Inc Irvine Chapter

    EIN 953875987 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. National Charity League Inc Newport Chapter

    EIN 966055016 · Headquarters: COSTA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. National Charity League Inc Riverside Chapter

    EIN 956056640 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. National Charity League Inc Saddleback Chapter

    EIN 330104743 · Headquarters: MISSION VIEJO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. National Charity League Inc Salt Lake City Chapter

    EIN 870343647 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. National Charity League Inc San Bernardino Chapter

    EIN 956097397 · Headquarters: HIGHLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. NATIONAL CHARITY LEAGUE INC San Diego Del Norte Chapter

    EIN 330600185 · Headquarters: RANCHO SANTA FE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Charity League Inc San Fernando Valley Chapter

    EIN 952114146 · Headquarters: CALABASAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. National Charity League Inc San Luis Rey Chapter

    EIN 953220722 · Headquarters: Fallbrook, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. National Charity League Inc Santa Barbara Chapter

    EIN 952513193 · Headquarters: Santa Barbara, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. National Charity League Inc Tampa Chapter

    EIN 392932933 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Charity League Inc West Lakes Chapter

    EIN 460634308 · Headquarters: Chanhassen, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Charity League Inc Yorba Linda Chapter

    EIN 330502872 · Headquarters: Yorba Linda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. National Charity League Laguna

    EIN 330167492 · Headquarters: LAGUNA HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. National Charity League Pacific Coast Chapter Inc

    EIN 330754853 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. National Charity League Rancho Irvine Chapter

    EIN 330328930 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. National Charity League San Marino Area Chapter Inc

    EIN 956120598 · Headquarters: San Marino, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Charity League South Coast Chapter

    EIN 956134883 · Headquarters: Seal Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Charity League-burbank

    EIN 956095794 · Headquarters: BURBANK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. National Charter Schools Alumni Association

    EIN 821641154 · Headquarters: High Point, NC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. National Cheng Kung Alumni Assoc Washington Dc

    EIN 812558780 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. National Chicken Council

    EIN 540579473 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Child Abuse Defense and Resource Center Inc

    EIN 311319166 · Headquarters: Holland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. National Child and Adult Care Food Program Sponsors Association

    EIN 363690687 · Headquarters: Round Rock, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Child Nutrition Foundation

    EIN 813648703 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Children Museum

    EIN 237423491 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  54. National Children's Advocacy Center Inc

    EIN 630891512 · Headquarters: HUNTSVILLE, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. National Children's Alliance

    EIN 631044781 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  56. National Children's Center

    EIN 530260523 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Children's Chorus

    EIN 954353867 · Headquarters: GLENDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Chimney Sweep Guild

    EIN 222473388 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Chincoteague Pony Association

    EIN 911600914 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. National Chinese American Jewelry Association Inc

    EIN 133443010 · Headquarters: DALLAS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Christ Child Society Inc

    EIN 521221811 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. National Christian Counselors Assoc

    EIN 251505600 · Headquarters: SARASOTA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. National Christian Foundation

    EIN 208780315 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. National Christian Life Community of the United States of America

    EIN 430912201 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. National Christian Outreach

    EIN 351894021 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. National Christians in Action

    EIN 382800997 · Headquarters: INKSTER, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. National Christmas Tree Association

    EIN 391353307 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. National Chronic Fatigue Syndrome and Fibromyalgia Association

    EIN 431504766 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. National Chrysanthemum Society Inc

    EIN 226082739 · Headquarters: Fair Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Chuch Residences of Win Romulus Mi

    EIN 203098829 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Chuch Residences Win Solberg Mi

    EIN 203098857 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Church Growth Research Center

    EIN 521526527 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. National Church Residences

    EIN 260069391 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Church Residences

    EIN 260223319 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Church Residences

    EIN 264339592 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Church Residences

    EIN 300088971 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Church Residences

    EIN 310952601 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Church Residences

    EIN 311046830 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. National Church Residences

    EIN 311096926 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. National Church Residences

    EIN 311132673 · Headquarters: Dublin, OH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. National Church Residences

    EIN 311134099 · Headquarters: Dublin, OH, United States · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  82. National Church Residences

    EIN 311288291 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. National Church Residences

    EIN 311288294 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. National Church Residences

    EIN 311449420 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. National Church Residences

    EIN 311802560 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Church Residences

    EIN 320376929 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Church Residences

    EIN 340978745 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. National Church Residences

    EIN 452680818 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. National Church Residences

    EIN 453808986 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. National Church Residences

    EIN 462140359 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  91. National Church Residences

    EIN 465156603 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. National Church Residences

    EIN 471933375 · Headquarters: COLUMBUS, OH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Church Residences

    EIN 474057900 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. National Church Residences

    EIN 822246849 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. National Church Residences

    EIN 833004970 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. National Church Residences

    EIN 842611592 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. National Church Residences

    EIN 843378369 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. National Church Residences

    EIN 844894834 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. National Church Residences

    EIN 853027301 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Church Residences

    EIN 854016657 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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