Nonprofits in Pittsburgh, Pennsylvania

Nonprofits in Pittsburgh, Pennsylvania. Browse 9,841 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 Obi

    EIN 994713862 · Headquarters: Pittsburgh, PA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Operation Strong Mind

    EIN 814195919 · Headquarters: Pittsburgh, PA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Operation Valor Arts a Veteran's Initiative

    EIN 452751158 · Headquarters: PITTSBURGH, PA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Oppenheim Louis Tuw

    EIN 376030392 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. Opportunity Foundation

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

  6. Optimum Youth Equestrian

    EIN 853861457 · Headquarters: PITTSBURGH, PA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Optimus Steel Llc Beaumont Texas Retiree Health Benefit Plan

    EIN 827024084 · Headquarters: PITTSBURGH, PA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Option Independent Fire Company of Baldwin Borough Allegheny County

    EIN 251153644 · Headquarters: PITTSBURGH, PA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Orange Arrow Inc

    EIN 462095934 · Headquarters: PITTSBURGH, PA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Orchard Park Social Club

    EIN 934329084 · Headquarters: PITTSBURGH, PA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Orchid Endowment Fund

    EIN 873442633 · Headquarters: Pittsburgh, PA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Order Italian Sons and Daughters of America

    EIN 237633283 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Order Italian Sons and Daughters of America

    EIN 237633284 · Headquarters: Pittsburgh, PA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. Order Italian Sons and Daughters of America

    EIN 237633308 · Headquarters: PITTSBURGH, PA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Order Italian Sons and Daughters of America

    EIN 237633310 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Order Italian Sons and Daughters of America

    EIN 237633315 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Order Italian Sons and Daughters of America

    EIN 237633326 · Headquarters: PIttsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Order Italian Sons and Daughters of America

    EIN 237633354 · Headquarters: Pittsburgh, PA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  19. Order Italian Sons and Daughters of America

    EIN 237633365 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Order Italian Sons and Daughters of America

    EIN 237633366 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Order Italian Sons and Daughters of America

    EIN 237633372 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Order Italian Sons and Daughters of America

    EIN 237633373 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Order Italian Sons and Daughters of America

    EIN 237633378 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Order Italian Sons and Daughters of America

    EIN 237633402 · Headquarters: Pittsburgh, PA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. Order Italian Sons and Daughters of America

    EIN 237633409 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Order Italian Sons and Daughters of America

    EIN 237633429 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Order Italian Sons and Daughters of America

    EIN 250571087 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Order Italian Sons and Daughters of America

    EIN 251855160 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Order My Steps

    EIN 394098365 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Order of Owls-1423

    EIN 250703585 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Order of the Amaranth Inc

    EIN 237614399 · Headquarters: Pittsburgh, PA, US · Crime & Legal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  32. Order of the Amaranth Inc Supreme Council

    EIN 237614397 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Order of the Eastern Star Ch Tr

    EIN 357279990 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Orenda Health Association

    EIN 831314286 · Headquarters: PITTSBURGH, PA, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Organization of Allderdice Rowers

    EIN 452296407 · Headquarters: Pittsburgh, PA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Organization of Chinese Americans Inc

    EIN 237441825 · Headquarters: Pittsburgh, PA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Organize Pennsylvania

    EIN 820714373 · Headquarters: PITTSBURGH, PA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Orgspring Inc

    EIN 455142615 · Headquarters: Pittsburgh, PA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Orlele Moore Scholarship Foundation

    EIN 371316048 · Headquarters: PITTSBURGH, PA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Ormet Corporation Hourly Retiree Benefit Trust

    EIN 830430487 · Headquarters: PITTSBURGH, PA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Ormet Corporation Salaried Retiree Benefit Trust

    EIN 830430486 · Headquarters: PITTSBURGH, PA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

  42. Ornish Community of Western Pennsylvania

    EIN 251876345 · Headquarters: Pittsburgh, PA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  43. Orr John H Residuary Fund Ta (Grc)

    EIN 356240984 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Orris C&b Dewey Hirtzel Memorial Fd

    EIN 256018933 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Orthodox Ministry Services

    EIN 825345340 · Headquarters: Pittsburgh, PA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Orthodox Volunteer Corps

    EIN 861674798 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Orthopaedic Research Laboratory Alumni Council Inc

    EIN 251790038 · Headquarters: PITTSBURGH, PA, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  48. Orthopedic Anesthesia Pain and Rehabilitation Society

    EIN 050612695 · Headquarters: Pittsburgh, PA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Ortube

    EIN 842095602 · Headquarters: Pittsburgh, PA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Orvis Harry Char Tuw

    EIN 386216580 · Headquarters: PITTSBURGH, PA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Osborne Charitable Trust

    EIN 256229109 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Oscar Frank Charitable Trust

    EIN 236235016 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Oscar L Weitzman Foundation

    EIN 466969050 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Osf Genprof Liability

    EIN 371035542 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  55. Osher Lifelong Learning Institute at Carnegie Mellon University

    EIN 251768391 · Headquarters: PITTSBURGH, PA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Oswald Lewis W - Uw Res Tr

    EIN 236285596 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Otis H Childs Trust

    EIN 256024249 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Otis T Turner Memorial Fund

    EIN 616117542 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Otto C Epp Fund B Charitable Tr

    EIN 316365704 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Otto Charitable Trust for Calvin Presbyterian

    EIN 256283005 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Otto Ruth Varner-seneca Valley High

    EIN 256292867 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Otto Trust Fbo Grace Reformed Church

    EIN 256283004 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Our Giving Kitchen Pittsburgh Inc

    EIN 873127040 · Headquarters: PITTSBURGH, PA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Our Own Home

    EIN 200187461 · Headquarters: PITTSBURGH, PA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Our Sisters Keeper Organization

    EIN 871630393 · Headquarters: Pittsburgh, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Out of Bounds

    EIN 260384968 · Headquarters: Pittsburgh, PA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Out of the End Inc

    EIN 830629936 · Headquarters: Pittsburgh, PA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Outdoor Inclusion Coalition

    EIN 884051495 · Headquarters: Pittsburgh, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Outreach Teen and Family Services Inc

    EIN 251402188 · Headquarters: Pittsburgh, PA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Outreach Therapy

    EIN 933462800 · Headquarters: Pittsburgh, PA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Overbrook Community Council Inc

    EIN 251433199 · Headquarters: Pittsburgh, PA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Overeaters Anonymous Region 7

    EIN 226298157 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Ovesen Henrik & Emilie Fdn

    EIN 256018903 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Ovid D Robinson Charitable Trust

    EIN 256023648 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Owen & Jean Pritchard Fdn

    EIN 352016378 · Headquarters: PITTSBURGH, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Owens Samuel T Jr Decd

    EIN 256018835 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Ozanam Inc

    EIN 743162792 · Headquarters: PITTSBURGH, PA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. P a C T Initiative

    EIN 460721685 · Headquarters: Pittsburgh, PA, US · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  79. P H E N S Inc

    EIN 232218704 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. P L U S H Alliance

    EIN 843113955 · Headquarters: Pittsburgh, PA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. P Mudge Irr- Mudge Fdn

    EIN 256023150 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. P Potter Fbo Cincinnati Parks Fd

    EIN 367756534 · Headquarters: PITTSBURGH, PA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. P Potter Fbo Hamilton Cnty Parks

    EIN 866648383 · Headquarters: PITTSBURGH, PA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. P Potter Fbo Il Geological Surv

    EIN 866657328 · Headquarters: PITTSBURGH, PA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. P Potter Fbo in Geological Surv

    EIN 357290241 · Headquarters: PITTSBURGH, PA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. P Potter Fbo Ky Geological Surv

    EIN 866653035 · Headquarters: PITTSBURGH, PA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. P Potter Fbo Ohio Geological Sur

    EIN 306698744 · Headquarters: PITTSBURGH, PA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Pa Classic Gymnastics Steering Committee

    EIN 332296237 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Pa Families for Education Choice

    EIN 882536665 · Headquarters: PITTSBURGH, PA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. PA Film Industry Association

    EIN 271468997 · Headquarters: Pittsburgh, PA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Pa Furniture Warehouse

    EIN 270929547 · Headquarters: PITTSBURGH, PA, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990

  92. Pa Hockey Foundation

    EIN 562430637 · Headquarters: PITTSBURGH, PA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Pa Lady Knights Pacifico

    EIN 392449679 · Headquarters: Pittsburgh, PA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. PA Land Development Holdings

    EIN 923129494 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  95. Pa Learners Online Education Association

    EIN 270938851 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Pa Liv Safe

    EIN 452421973 · Headquarters: Pittsburgh, PA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  97. Pa Power & Light Company Bargaining Group

    EIN 251728599 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Pa Refining John Beck Mem Sch

    EIN 256060734 · Headquarters: PITTSBURGH, PA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  99. Pa State Conference of Iuoe

    EIN 251469997 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pa Theta Alumni Corp

    EIN 204156437 · Headquarters: Pittsburgh, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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