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. Open Hands for Youth

    EIN 273336117 · Headquarters: San Leandro, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  2. Open Hands Inc

    EIN 541105215 · Headquarters: CHARLOTTESVILLE, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Open Hearts Bible Ministry

    EIN 800462312 · Headquarters: Ruther Glen, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Open Hearts Open Doors Inc

    EIN 141997022 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Open Hearts Open Fields Rescue

    EIN 992214984 · Headquarters: West Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Open Hearts Open Hands

    EIN 900635352 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. Open Home Foundation

    EIN 981816850 · Headquarters: BAAR, SZ · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Open House Nursery School

    EIN 112912324 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Open Inn Inc

    EIN 860311899 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  10. Open Media Foundation

    EIN 061727461 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Open Mind Open Road

    EIN 854311079 · Headquarters: ST GEORGE, UT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  12. Open Minds Outreach Inc

    EIN 831727853 · Headquarters: Kennesaw, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Open Mobile Project Foundation

    EIN 473953271 · Headquarters: Menlo Park, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  14. Open Networking Foundation

    EIN 273327530 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Open Pages Project

    EIN 423035501 · Headquarters: Jurupa Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Open Path a Center for Eastern and Western Studies Inc

    EIN 820339766 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Open Path Garden Club Madison County

    EIN 263805674 · Headquarters: Plain City, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. Open Path Retreat Center Inc

    EIN 592226813 · Headquarters: Sarasota, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Open Payments Foundation Inc

    EIN 471466567 · Headquarters: Blacksburg, VA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. Open Progress

    EIN 821193619 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Open Road Path Inc

    EIN 842617148 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Open Salt Collectors of the Atlantic Region

    EIN 810559437 · Headquarters: Canandaigua, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Open Salt Seekers of the West

    EIN 800667395 · Headquarters: antioch, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. Open Security Exchange

    EIN 260443724 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. Open Silo

    EIN 850875011 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Open Sky Gallery

    EIN 923862107 · Headquarters: Montague, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Open Sky Meditation Group

    EIN 264622933 · Headquarters: CASPER, WY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Open Society Action Fund

    EIN 522028955 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Open Society Fund Inc

    EIN 133095822 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Open Source Citizen Control of Colorado

    EIN 474082607 · Headquarters: Eagle, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Open Space Action Committee

    EIN 465478237 · Headquarters: Palm Desert, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Open Space Institute

    EIN 911734016 · Headquarters: Stevensville, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Open Space Oversight Organization Inc

    EIN 464872186 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Open Squash Rva Inc

    EIN 994514703 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Open Stage

    EIN 815227447 · Headquarters: nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. Open Studio Tour - Botetourt

    EIN 462497730 · Headquarters: TROUTVILLE, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Open Usage Commons Foundation

    EIN 851802866 · Headquarters: BAINBRIDGE ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Open Washington

    EIN 851352165 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Open Water Dragon Boat Llc

    EIN 822919615 · Headquarters: La Crescent, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Open Waters Math & Science Center Inc

    EIN 471389126 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Open Window School

    EIN 911303536 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Open Wings Foundation Inc

    EIN 831054305 · Headquarters: HAINES CITY, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Open Your Heart Inc

    EIN 310818997 · Headquarters: CHILLICOTHE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Open Your Heart to the Hungry and Homeless

    EIN 363488089 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Openbel Consortium Inc

    EIN 461786429 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  46. Opencolorado

    EIN 273410645 · Headquarters: LITTLETON, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. Opencovidscreen Foundation

    EIN 851218425 · Headquarters: MENLO PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Opendaylight Project Inc

    EIN 462152026 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  49. Opendof Project Inc C/o Vital Technical Marketing Inc

    EIN 473474973 · Headquarters: BEAVERTON, OR, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  50. Openfn Inc

    EIN 472201610 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. Opening Doors

    EIN 421490364 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Opening Doors Inc

    EIN 465063073 · Headquarters: Bono, AR, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. Opening Doors Northwest Florida Inc

    EIN 592909065 · Headquarters: PENSACOLA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Opening More Doors Together LLC

    EIN 931734836 · Headquarters: Lake Mills, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Opening Word Program Inc

    EIN 113258709 · Headquarters: Amityville, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. OpenJS Foundation

    EIN 471491876 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Openland Credit Union

    EIN 741321144 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Openlands

    EIN 362649603 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Openmainframe Inc

    EIN 272537019 · Headquarters: Boxford, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Openwise Foundation Inc

    EIN 474202083 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Oper Plasterers & Cement Masons #11

    EIN 364078859 · Headquarters: WOODSTOCK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Opera 4 Kids

    EIN 842698742 · Headquarters: OCEANSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Opera Associates

    EIN 952503791 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Opera Dolce Inc

    EIN 452465375 · Headquarters: Bronxville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Opera for Today

    EIN 993663299 · Headquarters: ROANOKE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Opera Guild of Charlotte Inc

    EIN 560812172 · Headquarters: Charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Opera Guild Playhouse Inc

    EIN 550487115 · Headquarters: Charleston, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Opera House Fund Inc C/o Doug Dean

    EIN 510180177 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Opera House Inc

    EIN 237043885 · Headquarters: What Cheer, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Opera in the Ozarks Inc

    EIN 710327137 · Headquarters: EUREKA SPRINGS, AR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Opera Memphis Endowment Foundation

    EIN 581713898 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Opera North Inc

    EIN 232096792 · Headquarters: FORT WASHINGTON, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. Opera on the Go Ltd

    EIN 112902590 · Headquarters: Linwood, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Opera Plus

    EIN 471033085 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. Operating Engineers 324

    EIN 381940673 · Headquarters: Bloomfield Township, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Operating Engineers 474 Health & Welfare

    EIN 586066594 · Headquarters: GOODLETTSVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Operating Engineers 649 Afl Cio Death Benefit Fund Plan

    EIN 376047856 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Operating Engineers Business Development Trust Fund

    EIN 946676286 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Operating Engineers Contract Admin Trust Fund for Northern California

    EIN 943025011 · Headquarters: WEST SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Operating Engineers Contract Administration

    EIN 943026407 · Headquarters: Alameda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Operating Engineers Health and Welfare Fund

    EIN 956034886 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Operating Engineers Health and Welfare Trust Fund

    EIN 942784001 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Operating Engineers HW Fund for Colorado Trust Fund for Colorado

    EIN 237036156 · Headquarters: Arvada, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Operating Engineers Industry Stabilization Trust Fund

    EIN 943018932 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Operating Engineers Joint Apprenticeship and Training Trust of Wyoming

    EIN 830219499 · Headquarters: BAR NUNN, WY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Operating Engineers Journeyman and Apprentice Training Trust

    EIN 956105499 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Operating Engineers Lo 835 Welfare Fund

    EIN 232079619 · Headquarters: Wayne, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Operating Engineers Local #181 Appr & Train Prog

    EIN 351389949 · Headquarters: HENDERSON, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Operating Engineers Local #234 Health and Welfare Trust Fund

    EIN 510141783 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Operating Engineers Local 101 Health and Welfare Plan

    EIN 440663379 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Operating Engineers Local 101 Vacation Plan

    EIN 431077518 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Operating Engineers Local 139 Health Benefit Fund

    EIN 237166771 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Operating Engineers Local 148 Health and Welfare Trust

    EIN 436058032 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Operating Engineers Local 17 Scuc Fund

    EIN 222712716 · Headquarters: Lakeview, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Operating Engineers Local 17 Training Fund

    EIN 237087500 · Headquarters: LAKE VIEW, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Operating Engineers Local 3

    EIN 940577785 · Headquarters: CONCORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Operating Engineers Local 312 H&w

    EIN 237102671 · Headquarters: TUCKER, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Operating Engineers Local 312 Joint Apprenticeship & Training Fund

    EIN 630658917 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Operating Engineers Local 312 Mutual Advancement Fund of The

    EIN 630959846 · Headquarters: Birmingham, AL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Operating Engineers Local 318 Joint Apprenticeship & Advanced Training

    EIN 237306350 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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