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. Orange County Academic Decathlon Association

    EIN 237011585 · Headquarters: COSTA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Orange County Academy of Sciences and Arts

    EIN 475316171 · Headquarters: LAGUNA NIGUEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Orange County Adult Achievement Center Dba My Day Counts

    EIN 951863666 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Orange County Alarm Association

    EIN 953778601 · Headquarters: Mission Viejo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Orange County Amateur Radio Club Inc

    EIN 956049642 · Headquarters: Tustin, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Orange County Antique Auto Club Inc

    EIN 133217405 · Headquarters: Middletown, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Orange County Apartment House Associatio

    EIN 952245478 · Headquarters: Anaheim, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Orange County Area Service Office of Narcotics Anonymous

    EIN 930994593 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Orange County Art Institute Inc

    EIN 992507317 · Headquarters: MIDDLETOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Orange County Artists Guild

    EIN 562246342 · Headquarters: Carrboro, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Orange County Arts and Disability

    EIN 953252590 · Headquarters: Anaheim, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Orange County Asian American Bar Asso

    EIN 330604476 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Orange County Association for Buddhist Practices Inc

    EIN 330420666 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Orange County Association for Mental Health

    EIN 952036972 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Orange County Association of Health Underwriters

    EIN 330188496 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Orange County Astronomers

    EIN 237140331 · Headquarters: Costa Mesa, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Orange County Athletic Directors Association

    EIN 330405416 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Orange County Attorneys Association

    EIN 330166816 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Orange County Automobile Dealers Assoc

    EIN 952126029 · Headquarters: Newport Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Orange County Bar Association

    EIN 952395855 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Orange County Bar Association Foundation Inc

    EIN 592215141 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Orange County Bar Association Inc

    EIN 590816175 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Orange County Bicycle Coalition

    EIN 330623176 · Headquarters: San Clemente, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Orange County Boxing and Community Development Inc

    EIN 462977621 · Headquarters: MIDDLETOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  25. Orange County Business Council

    EIN 237084107 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Orange County Business Development Corp

    EIN 900249263 · Headquarters: MAYBROOK, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  27. Orange County California Genealogical Society

    EIN 956116860 · Headquarters: Huntington Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Orange County Callers Association

    EIN 800781886 · Headquarters: Palm Springs, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Orange County Central Lions Club Inc

    EIN 453557540 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  30. Orange County Chamber of Commerce

    EIN 540887311 · Headquarters: Orange, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Orange County Chapter American Society for Training and Development

    EIN 953722294 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Orange County Chapter Charities Inc

    EIN 953416160 · Headquarters: WESTMINSTER, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  33. Orange County Chapter Neca

    EIN 952076968 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Orange County Chapter of Risk Management Association

    EIN 311602374 · Headquarters: TUSTIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Orange County Chapter of the Piano Technicians Guild Inc

    EIN 330591380 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Orange County Chapter the American Institute of Architects

    EIN 952250295 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Orange County Chapter The Institute of Internal

    EIN 953030657 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Orange County Child Care Association

    EIN 953285550 · Headquarters: Santa Ana, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  39. Orange County Chinese American Chamber of Commerce

    EIN 330370396 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Orange County Chinese Association Inc

    EIN 061360411 · Headquarters: Goshen, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Orange County Citizens for the Prevention of Gun Violence

    EIN 330663734 · Headquarters: Trabuco Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Orange County Classic Choral Society Inc

    EIN 133378547 · Headquarters: HIGHLAND MLS, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Orange County Classroom Teachers Association Inc

    EIN 590951212 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Orange County Commercial Association of Realtors

    EIN 330626503 · Headquarters: Anaheim, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Orange County Community Praise Choir

    EIN 453663308 · Headquarters: Westminster, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Orange County Coonhunters Assoc

    EIN 900671074 · Headquarters: Culpeper, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Orange County Corrections Officers Benevolent Association Inc

    EIN 223041761 · Headquarters: GOSHEN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Orange County Council 039 Boy Scouts of America

    EIN 951727660 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Orange County Council of Hospital Volunteers

    EIN 330667209 · Headquarters: Anaheim, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Orange County Council of Parent Participation Nursery Schools

    EIN 237257542 · Headquarters: MISSION VIEJO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Orange County Crazies Inc

    EIN 330575320 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Orange County Democratic Socialists of America

    EIN 851193957 · Headquarters: Santa Ana, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  53. Orange County Dental Research Clinic Inc % Dr Robert Burks

    EIN 590980219 · Headquarters: LONGWOOD, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. Orange County Dental Society Inc

    EIN 951820365 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Orange County Deputy Sheriffs Pba

    EIN 141812254 · Headquarters: GOSHEN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Orange County District Attorneys Criminal Investigators Association

    EIN 473200506 · Headquarters: Goshen, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Orange County District Calif Garden Clubs Inc

    EIN 330579986 · Headquarters: Lake Forest, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Orange County Education Advancement Network

    EIN 330646347 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Orange County Education Association

    EIN 141842175 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Orange County Educators Uniserv

    EIN 460537745 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Orange County Electrical Joint Apprenticeship and Training Trust

    EIN 957129576 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Orange County Employee Benefit Council

    EIN 330018347 · Headquarters: RANCHO MISSION VIEJO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Orange County Employees Association

    EIN 951685796 · Headquarters: Santa Ana, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Orange County Escrow Association

    EIN 952418859 · Headquarters: Pico Rivera, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Orange County Estate Planning Council

    EIN 953105008 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Orange County Fair Housing

    EIN 952538829 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Orange County Farm Bureau

    EIN 540679907 · Headquarters: ORANGE, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Orange County Farm Bureau Association Inc

    EIN 030180149 · Headquarters: Brookfield, VT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Orange County Farm Bureau Inc

    EIN 560793327 · Headquarters: HILLSBOROUGH, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Orange County Farm Bureau Inc

    EIN 951695258 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Orange County Farm BureauInc

    EIN 590714004 · Headquarters: Christmas, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Orange County Figure Skating Club Inc

    EIN 953213727 · Headquarters: Laguna Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Orange County Fire Authority Firefighters Benevolent Association

    EIN 330189613 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Orange County Flyers

    EIN 952512665 · Headquarters: Laguna Niguel, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Orange County Four Season Orchestra

    EIN 330437592 · Headquarters: REDONDO BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  76. Orange County Friends

    EIN 760403419 · Headquarters: Orange, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Orange County Fuchsia Society

    EIN 464898127 · Headquarters: Upland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Orange County Funeral Directors Association Inc

    EIN 953567565 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Orange County Genealogical Society

    EIN 132908512 · Headquarters: Goshen, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Orange County Head Start

    EIN 953411088 · Headquarters: Santa Ana, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Orange County Historians

    EIN 473430119 · Headquarters: Brea, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Orange County Historical Society

    EIN 132971116 · Headquarters: Arden, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Orange County Historical Society

    EIN 330015061 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Orange County Historical Society Inc

    EIN 541030308 · Headquarters: ORANGE, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. Orange County Homeland Security Advisory Committee

    EIN 472887213 · Headquarters: NEWPORT BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Orange County Horse Council of New York Inc

    EIN 061613430 · Headquarters: Goshen, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Orange County Horse Shows Association

    EIN 330149825 · Headquarters: RCHO STA MARG, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Orange County Hounds Inc

    EIN 540326185 · Headquarters: THE PLAINS, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Orange County Housing Foundation

    EIN 953927716 · Headquarters: CHATSWORTH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Orange County Ibew-neca Labor-management Cooperation Committee

    EIN 330111811 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Orange County Independent Media Inc

    EIN 931814205 · Headquarters: Laguna Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Orange County Intellectual Property Law Association

    EIN 330327291 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Orange County Intergroup Assoc Inc

    EIN 956100366 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Orange County Intergroup of Overeaters Anonymous Inc

    EIN 952861390 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Orange County Italian Cultural Association

    EIN 203623685 · Headquarters: Newport Coast, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Orange County Jail Ministry Inc

    EIN 592406715 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Orange County Justice Fund

    EIN 823099041 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. Orange County K-9 Association Inc

    EIN 141743800 · Headquarters: MONTGOMERY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Orange County Labor Federation Afl-cio

    EIN 950614067 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Orange County Literacy Council Inc

    EIN 561433933 · Headquarters: CARRBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

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