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. American Committee on Congressional Term Limits Inc

    EIN 461512043 · Headquarters: Shepherdstown, WV, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. American Commodity Distribution Association

    EIN 510188834 · Headquarters: PENSACOLA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. American Communist Party

    EIN 994802117 · Headquarters: Bethel, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. American Communities Forward Incorporated

    EIN 843768945 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Community Fund

    EIN 311638002 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  6. American Community Rising Inc

    EIN 851164351 · Headquarters: Spring, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. American Community School of Athens Inc

    EIN 980013358 · Headquarters: Athens, Atiki, GR · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. AMERICAN COMPASSION SERVICES INC Dba Fidesco USA Inc

    EIN 262457618 · Headquarters: Pelham Manor, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. American Composites Manufacturers Association

    EIN 521144059 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Concrete Institute

    EIN 364060931 · Headquarters: ELMHURST, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. American Concrete Institute Inc

    EIN 521301494 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. American Concrete Institute Intermountain Chapter

    EIN 942914779 · Headquarters: SOUTH JORDAN, UT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. American Concrete Institute of San Diego

    EIN 953701250 · Headquarters: SANTEE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. American Concrete Institute Rocky Mountain Chapter

    EIN 742229829 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. American Concrete Institute Southern California Chapter

    EIN 956111839 · Headquarters: SAN DIMAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Concrete Pavement Assoc

    EIN 450443442 · Headquarters: Fargo, ND, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. American Concrete Pavement Association

    EIN 362548294 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. American Concrete Pavement Association Co/wy

    EIN 742377890 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. American Concrete Pavement Association Mid-atlantic Chapter

    EIN 541432722 · Headquarters: MILLSBORO, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Concrete Pipe Association

    EIN 362085805 · Headquarters: IRVING, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. American Concrete Pressure Pipe Association

    EIN 362142967 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. American Concrete Pumping Association

    EIN 510155423 · Headquarters: LEWIS CENTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Condo Social Club Inc

    EIN 464179781 · Headquarters: Zephyrhills, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Conference for Irish Studies

    EIN 541223831 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Conference of Cantors

    EIN 132666627 · Headquarters: Schaumburg, IL, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Congress of Rehabilitation Medicine

    EIN 362170784 · Headquarters: RESTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. American Connemara Pony Society

    EIN 371207457 · Headquarters: Hillsborough, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. American Conservation Association Inc

    EIN 131874023 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. American Conservation Legacy Fd Inc

    EIN 251615372 · Headquarters: NATURAL BRIDGE, VA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  30. American Conservative Coalition Inc

    EIN 834180883 · Headquarters: Land O Lakes, FL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  31. American Constitution Foundation

    EIN 043813292 · Headquarters: Virginia Beach, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Constitution Foundation Action

    EIN 272849669 · Headquarters: Evergreen, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Construction Inspectors Association

    EIN 300413639 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. American Construction Inspectors Association

    EIN 330518091 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. American Construction Inspectors Association

    EIN 330518105 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. American Construction Inspectors Association

    EIN 330518109 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. American Construction Inspectors Association

    EIN 330518111 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. American Construction Inspectors Association

    EIN 330518119 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. American Construction Inspectors Association

    EIN 330518127 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. American Consulting Engineers Council of New Mexico

    EIN 850236265 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. American Consumer and Investor Institute

    EIN 884397905 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Contact Dermatitis Society

    EIN 363741184 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Contract Bridge District 22

    EIN 237208516 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. American Contract Bridge League

    EIN 541032917 · Headquarters: Williamsburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Contract Bridge League Acbl 411

    EIN 932884726 · Headquarters: Helena, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Contract Bridge League District 17

    EIN 850256920 · Headquarters: Greenwood Village, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. American Contract Bridge League District 18

    EIN 830265661 · Headquarters: Layton, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Contract Bridge League District 8

    EIN 376151675 · Headquarters: CHAMPAIGN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Contract Bridge League Georgia Coastal Unit 202

    EIN 581385352 · Headquarters: St Simons Island, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Contract Bridge League Georgia Unit 114 Inc

    EIN 581219695 · Headquarters: Macon, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Contract Bridge League Inc Unit 195 195 Western Michigan Unit

    EIN 382356711 · Headquarters: Alto, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Contract Bridge League of Greater St Louis

    EIN 436045233 · Headquarters: Saint Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. American Contract Bridge League of Walla Walla

    EIN 300477102 · Headquarters: WALLA WALLA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Contract Bridge League Phoenix Unit 354 Inc

    EIN 860473746 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. American Contract Bridge League Unit 126 Inc

    EIN 061053734 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Contract Bridge League Unit 174

    EIN 746046412 · Headquarters: Richmond, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. American Contract Bridge League Unit 376

    EIN 421758537 · Headquarters: Carlsbad, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Contract Bridge League Unit 439

    EIN 412275022 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Contract Bridge League Unit 442

    EIN 113836757 · Headquarters: West Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Contract Bridge League Unit 503

    EIN 371565599 · Headquarters: Mountain View, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. American Contract Bridge League Unit No 351

    EIN 953513945 · Headquarters: Tempe, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Contract Compliance Association

    EIN 222806882 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. American Copper Council Inc

    EIN 510142878 · Headquarters: PRESCOTT, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. American Corporation for Charity and Research

    EIN 751496793 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. American Corporation of the Arts

    EIN 953326697 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Corpus Vitrearum Inc

    EIN 133556544 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Correctional Chaplains Association Inc

    EIN 752354387 · Headquarters: Pine Bluff, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Corriedale Association Inc

    EIN 430639032 · Headquarters: Federalsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Cosmetic Manufacturers Association

    EIN 831407997 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. American Cosmetology Association Inc

    EIN 814573948 · Headquarters: GARDEN CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. American Cotton Shippers Association

    EIN 620113620 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. American Coturnix Breeders Association Inc

    EIN 932743237 · Headquarters: Pro valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Council for Capital Formation

    EIN 520991278 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. American Council for Construction Education Inc

    EIN 237413065 · Headquarters: Irving, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. American Council for Judaism Inc

    EIN 131632505 · Headquarters: Brooklyn, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. American Council for Palestine

    EIN 992519395 · Headquarters: TIGARD, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American Council for Quebec Studies

    EIN 020361150 · Headquarters: SPARKS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. American Council for Technology

    EIN 680021892 · Headquarters: FAIRFAX, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Council of Educators in Plastic Surgery

    EIN 930932714 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. American Council of Engineering Com of Georgia Inc

    EIN 581053759 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. American Council of Engineering Com Panies of Wyoming Acec of Wyoming

    EIN 830265398 · Headquarters: Cheyenne, WY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. American Council of Engineering Companie

    EIN 576070564 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. American Council of Engineering Companies

    EIN 520745115 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Council of Engineering Companies

    EIN 880232385 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. American Council of Engineering Companies

    EIN 942750140 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. American Council of Engineering Companies - Mississippi

    EIN 582180041 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. American Council of Engineering Companies of Alabama

    EIN 636057052 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. American Council of Engineering Companies of Arizona

    EIN 860276577 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. American Council of Engineering Companies of Arkansas

    EIN 710550288 · Headquarters: LITTLE ROCK, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Council of Engineering Companies of Ca Riverside-san Bernardino

    EIN 956068551 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. American Council of Engineering Companies of California

    EIN 941331745 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Council of Engineering Companies of California-san Diego Chap

    EIN 956095328 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. American Council of Engineering Companies of Colorado

    EIN 840642456 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. American Council of Engineering Companies of Connecticut

    EIN 060860966 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. American Council of Engineering Companies of Delaware

    EIN 510316609 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. American Council of Engineering Companies of Hawaii

    EIN 990143407 · Headquarters: HONOLULU, HI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. American Council of Engineering Companies of Illinois

    EIN 376046296 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. American Council of Engineering Companies of Indiana Inc

    EIN 351101396 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. American Council of Engineering Companies of Iowa

    EIN 902106801 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. American Council of Engineering Companies of Kansas Inc

    EIN 481025145 · Headquarters: TOPEKA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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