Philanthropy, Voluntarism & Grantmaking Foundations nonprofits

Philanthropy, Voluntarism & Grantmaking Foundations nonprofits. Browse 130,670 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. Operation JOY Foundation

    EIN 870886003 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Operation Kid Forward Inc

    EIN 873620929 · Headquarters: RICHMOND HILL, GA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Operation Legacy Foundation Inc

    EIN 823362380 · Headquarters: ALPHARETTA, GA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Operation Little Angel 101Hope After Loss Assn

    EIN 861628543 · Headquarters: WASHINGTON, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Operation Look Back Inc

    EIN 833757772 · Headquarters: RIALTO, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Operation Love Bigger Inc

    EIN 923311635 · Headquarters: Howard, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Operation Magic Touch

    EIN 811850861 · Headquarters: WARWICK, RI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  8. Operation Mali Inc

    EIN 800689846 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Operation Marshmallow

    EIN 453043758 · Headquarters: Peoria, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. Operation Meatball

    EIN 823601318 · Headquarters: San Antonio, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Operation Military Embrace Inc

    EIN 562656711 · Headquarters: Tomball, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990

  12. Operation Military Support

    EIN 562312509 · Headquarters: San Andreas, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  13. Operation Millstone Inc

    EIN 334296459 · Headquarters: Schenectady, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Operation Mission Insight

    EIN 831213121 · Headquarters: MIDDLETOWN, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Operation Mom

    EIN 134233326 · Headquarters: Castro Valley, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Operation Nehemiah Incorporated

    EIN 273604854 · Headquarters: Mokena, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Operation Noahs Ark

    EIN 912151249 · Headquarters: Alamogordo, NM, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  18. Operation of Humanity Inc

    EIN 822971067 · Headquarters: RICHARDSON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Operation One Ounce Inc

    EIN 814660820 · Headquarters: Rogersville, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  20. Operation Patriot Foundation Inc

    EIN 204027444 · Headquarters: Rochester, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Operation Patriots Fob Inc

    EIN 850894599 · Headquarters: BLUFFTON, SC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Operation Pocket Change of Mec Inc

    EIN 020606169 · Headquarters: Mountain City, TN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Operation Proud Hearts

    EIN 770694794 · Headquarters: ROCKY POINT, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. Operation Proud to Serve You Again

    EIN 464608736 · Headquarters: Cranberry Township, PA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  25. Operation Recess Inc

    EIN 474115222 · Headquarters: Rivesville, WV, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Operation Redwood Foundation

    EIN 334983939 · Headquarters: Des Plaines, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Operation Reel Heroes Long Island Inc

    EIN 612042431 · Headquarters: HUNTINGTON, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Operation Resilience

    EIN 931889606 · Headquarters: CARLSBAD, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Operation Restoration Intl

    EIN 832266960 · Headquarters: PLACERVILLE, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Operation Safe K9

    EIN 392265549 · Headquarters: Mount Juliet, TN, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Operation Salsa Drop Inc

    EIN 273212061 · Headquarters: WILMINGTON, NC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  32. Operation Santa of West Central Wisconsin Inc

    EIN 873656678 · Headquarters: Chippewa Falls, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Operation Secret Santa

    EIN 832027950 · Headquarters: Corunna, MI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Operation Serving Children Osc Operation Santa Claus Inc

    EIN 650813412 · Headquarters: Lakewood Ranch, FL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Operation Shield Nfp

    EIN 854343486 · Headquarters: Willowbrook, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Operation Shinedown

    EIN 934666306 · Headquarters: Franklin, TN, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Operation Showers of Appreciation

    EIN 262419938 · Headquarters: FALLBROOK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Operation Slate Belt Love Inc

    EIN 823403429 · Headquarters: Pen Argyl, PA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Operation Superwomen Inc

    EIN 844055289 · Headquarters: Jackson, NJ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. Operation Tight Lines Inc

    EIN 825005039 · Headquarters: TOWSON, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Operation Toys for Freedom

    EIN 333002573 · Headquarters: Ashtabula, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Operation True North

    EIN 831111745 · Headquarters: LONGVIEW, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Operation Tucci

    EIN 465234126 · Headquarters: Memphis, TN, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. Operation Valor Inc

    EIN 821207893 · Headquarters: Austin, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  45. Operation Warmheart

    EIN 460434376 · Headquarters: Ellsworth AFB, SD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Operation Warmheart

    EIN 611673210 · Headquarters: JBLM, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Operation Warmheart

    EIN 820501307 · Headquarters: MOUNTAIN HOME AFB, ID, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  48. Operation Warrior Junction Opwj

    EIN 453009085 · Headquarters: Prescott, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Operation Wounded Warriors Inc

    EIN 465606439 · Headquarters: PALM BEACH GARDENS, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Operation Yellow Ribbon Inc

    EIN 371664782 · Headquarters: Rochester Hills, MI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. Operative Neurosciences Foundation

    EIN 720962625 · Headquarters: SHREVEPORT, LA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  52. Operetta Foundation

    EIN 050610725 · Headquarters: BEVERLY HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Opes Charitable Foundation Inc

    EIN 455571237 · Headquarters: GLADSTONE, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Opes Foundation

    EIN 824546011 · Headquarters: Brooklyn, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Ophelia & Jasper Ferguson Outreach Foundation Inc

    EIN 861382941 · Headquarters: Cayce, SC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Ophelia Foundation Inc

    EIN 471976146 · Headquarters: Haymarket, VA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ophelia Polk Moore Memorial Trust

    EIN 710247120 · Headquarters: HELENA, AR, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Ophira Ben-arieh Foundation for Modern Israell Literature

    EIN 320433902 · Headquarters: Highland Park, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Ophis Books Inc

    EIN 991441020 · Headquarters: New York, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ophtalmic Research Foundation

    EIN 223693261 · Headquarters: MC GREGOR, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Opioid Crisis Action Network Recovery Fund

    EIN 872415371 · Headquarters: BRYN MAWR, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Opitz G-bbb Family Network Inc

    EIN 841547021 · Headquarters: Grand Lake, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. OPL Charities

    EIN 550835190 · Headquarters: Portsmouth, NH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Opp City Schools Foundation

    EIN 721377526 · Headquarters: Opp, AL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Opp Hvidston Foundation

    EIN 810711475 · Headquarters: HOVLAND, MN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. Opp Vision in Action Foundation

    EIN 842725716 · Headquarters: Opp, AL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Oppegaard Family Foundation

    EIN 412021741 · Headquarters: WALKER, MN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  68. Oppenheim Charitable Fnd

    EIN 342014161 · Headquarters: PENNINGTON, NJ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Oppenheim Foundation

    EIN 236296919 · Headquarters: KENSINGTON, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  70. Opportunites Inc

    EIN 421140249 · Headquarters: Muscatine, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  71. Opportunities for Education Foundation

    EIN 912091348 · Headquarters: SEATTLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Opportunities Industrialization Center Washington DC

    EIN 522237798 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Opportunity America

    EIN 232919923 · Headquarters: Plymouth Meeting, PA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  74. Opportunity Arkansas Foundation

    EIN 883938322 · Headquarters: CONWAY, AR, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Opportunity Foundation

    EIN 387132674 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Opportunity Fund of Ashe County

    EIN 472626570 · Headquarters: Jefferson, NC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Opportunity Living Foundation

    EIN 421443317 · Headquarters: Lake City, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Opportunity Networks Inc

    EIN 222478687 · Headquarters: AMHERST, NH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Opportunity Services Florida Inc

    EIN 010893449 · Headquarters: Savage, MN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Opportunity to Play Inc

    EIN 454924325 · Headquarters: Tampa, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Opportunity Village Foundation

    EIN 880272831 · Headquarters: LAS VEGAS, NV, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Opportunitytoserve

    EIN 454869558 · Headquarters: Riverton, UT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. OPT for Holistic Living a NJ Nonprofit Corporation

    EIN 934065153 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Optare Foundation Inc

    EIN 843490271 · Headquarters: BONITA SPRINGS, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Optima Cares Foundation

    EIN 872445692 · Headquarters: SANTA ANA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Optima Giving Foundation

    EIN 834139933 · Headquarters: ALPHARETTA, GA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Optimist Club Foundation of Salem Oregon

    EIN 931175332 · Headquarters: Salem, OR, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Optimist Club of Carlsbad Foundation

    EIN 680414602 · Headquarters: Carlsbad, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Optimist Club of Foley Alabama Inc

    EIN 844927063 · Headquarters: FOLEY, AL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Optimist Club of Gulf Breeze Fl Inc

    EIN 237008079 · Headquarters: Gulf Breeze, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Optimist Foundation of Cedar Rapids Iowa

    EIN 421384317 · Headquarters: Cedar Rapids, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Optimist Foundation of Greensboro Inc

    EIN 020599733 · Headquarters: Greensboro, NC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  93. Optimist International

    EIN 391654715 · Headquarters: MILTON, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. Optimist International

    EIN 516636170 · Headquarters: Azle, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Optimist International

    EIN 582173868 · Headquarters: WOODSTOCK, GA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Optimist International Foundation

    EIN 237102928 · Headquarters: ST LOUIS, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Optimist of Southside Kansas City Missouri Foundation Inc

    EIN 431667307 · Headquarters: LEES SUMMIT, MO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Optimistic Visions

    EIN 331583969 · Headquarters: San Diego, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Optio Caritas Foundation

    EIN 825133034 · Headquarters: McHenry, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Options for All Holding Company

    EIN 333003337 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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