Nonprofits in St Louis, Missouri

Nonprofits in St Louis, Missouri. Browse 3,643 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. No More Hiding Ministry

    EIN 301287984 · Headquarters: St Louis, MO, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. Noonies Groceries

    EIN 611760916 · Headquarters: St Louis, MO, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  3. Norman K Probstein Charitable Foundation Inc

    EIN 431676961 · Headquarters: ST LOUIS, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. North American Conference of Church Mens Staff

    EIN 030409001 · Headquarters: St Louis, MO, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. North Campus Partnership

    EIN 455425771 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. North Central County Fire Alarm System

    EIN 430920459 · Headquarters: ST LOUIS, MO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990

  7. North County Training Association

    EIN 352526006 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. North Grand Neighborhood Services

    EIN 010839874 · Headquarters: ST LOUIS, MO, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. North Side Community Benefits Alliance

    EIN 270789758 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. North Side Team Ministry of St Louis Inc

    EIN 430832335 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  11. Northgate Estates Trustees 1

    EIN 431187281 · Headquarters: st louis, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  12. Northside Neighborhood Action Association

    EIN 431609055 · Headquarters: St Louis, MO, US · Housing & Shelter · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. Northwest Chamber Charitable Foundation

    EIN 474845419 · Headquarters: ST LOUIS, MO, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Northwest Regional Oasis

    EIN 273182388 · Headquarters: ST LOUIS, MO, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  15. Northwinds Band Association Inc

    EIN 770648818 · Headquarters: St Louis, MO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Norvell Brown Community Outreach Scholarship Fund

    EIN 900618810 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  17. Norwood Hills Charitable Trust

    EIN 376456529 · Headquarters: ST LOUIS, MO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Not Counted Out

    EIN 844171095 · Headquarters: St Louis, MO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Novi Vinodol Club

    EIN 436215286 · Headquarters: ST LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  20. Nsc Collaborative Resources

    EIN 993466577 · Headquarters: ST LOUIS, MO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Nurturing Potential International Co Marcus Wilson

    EIN 863617917 · Headquarters: ST LOUIS, MO, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. O'loughlin Family Foundation

    EIN 814146828 · Headquarters: ST LOUIS, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Oakville Mehlville Athletics & Activities Club

    EIN 204767253 · Headquarters: St Louis, MO, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. Oakville Senior High School Robotics Parents Association

    EIN 920668223 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Oakville Tigers Junior Football Inc

    EIN 431856401 · Headquarters: St Louis, MO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Occidental United Eastern and Southern Transfers

    EIN 431751098 · Headquarters: St Louis, MO, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Officer Tonys Children Ministries

    EIN 223874825 · Headquarters: ST LOUIS, MO, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  28. Og Hospitality Cares Foundation

    EIN 863195857 · Headquarters: ST LOUIS, MO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. Ogoni Charity Inc

    EIN 753260082 · Headquarters: St Louis, MO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Oklahomans for Consumer Freedom Inc

    EIN 474935737 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Old Guard Washington Dc Foundation Inc

    EIN 811335964 · Headquarters: ST LOUIS, MO, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Old North St Louis Restoration Group Inc

    EIN 431254052 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Old Warson Country Club

    EIN 430685533 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Older Womens League

    EIN 431260248 · Headquarters: st louis, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  35. Omega Psi Phi Fraternity Inc Omicron Sigma Chapter

    EIN 436070062 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  36. Omicron Delta Epsilon International Honor Society in Economics Inc

    EIN 742592948 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. Once Upon a Time in the Village of Justin

    EIN 261786001 · Headquarters: ST LOUIS, MO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. One Bright Future Foundation

    EIN 262271125 · Headquarters: St Louis, MO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  39. One Buzz Backyard Beekeeping

    EIN 852318357 · Headquarters: St Louis, MO, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. One Classroom

    EIN 473675282 · Headquarters: ST LOUIS, MO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. One Flesh Inc

    EIN 470960184 · Headquarters: St Louis, MO, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. One Percent

    EIN 934335677 · Headquarters: St Louis, MO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. One Saint Louis

    EIN 800242926 · Headquarters: ST LOUIS, MO, US · Housing & Shelter · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. One Spirit Engineering Inc

    EIN 823592699 · Headquarters: St Louis, MO, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Opera Theatre of Saint Louis

    EIN 430821958 · Headquarters: St Louis, MO, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  46. 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

  47. Operating Engineers Local Union 148

    EIN 370447914 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Operation Excel Inc

    EIN 431749041 · Headquarters: ST LOUIS, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Operation Food Search

    EIN 431241854 · Headquarters: St. Louis, MO, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Operation Food Search Support Organization Inc

    EIN 990765246 · Headquarters: ST LOUIS, MO, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Operation Impact Inc

    EIN 431352687 · Headquarters: St Louis, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  52. Operation Shower

    EIN 261244512 · Headquarters: ST LOUIS, MO, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Operation Spot Inc

    EIN 431722078 · Headquarters: ST LOUIS, MO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Optimist International

    EIN 436048871 · Headquarters: ST LOUIS, MO, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Optimist International

    EIN 436048872 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Optimist International

    EIN 582114545 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Optimist International

    EIN 900340006 · Headquarters: St Louis, MO, US · Youth Development · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Optimist International

    EIN 900519834 · Headquarters: St Louis, MO, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  59. Optimist International

    EIN 900894719 · Headquarters: St Louis, MO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. Optimist International

    EIN 956123734 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Optimist International Foundation

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

  62. Options for Justice for Persons with Developmental Disabilities

    EIN 431677739 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Optometry Cares - The AOA Foundation

    EIN 237292391 · Headquarters: St Louis, MO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Oral Facial Surgery Institute Educational Fellowship

    EIN 262806883 · Headquarters: ST LOUIS, MO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Orange Girls

    EIN 134304980 · Headquarters: St Louis, MO, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Orchard Lakes Subdivision

    EIN 436053360 · Headquarters: St Louis, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Order of Eastern Star Prince Hall Harmony

    EIN 237567241 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. Order of the Amaranth Inc Supreme Council

    EIN 237614187 · Headquarters: St Louis, MO, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  69. Order of the Eastern Star of Missouri

    EIN 430443426 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  70. Order of the Eastern Star of Missouri Chapter

    EIN 237134729 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Order of the Eastern Star of Missouri Chapter

    EIN 436032583 · Headquarters: ST LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Order of the Eastern Star of Missouri Chapter

    EIN 436033555 · Headquarters: ST LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of Missouri Grand Chapter

    EIN 436077903 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  74. Order of the White Shrine of Jerusalem

    EIN 237514107 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  75. Order of the White Shrine of Jerusalem

    EIN 237514191 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  76. Order of the White Shrine of Jerusalem

    EIN 237514300 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  77. Order of the White Shrine of Jerusalem

    EIN 237514365 · Headquarters: St Louis, MO, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  78. Order of the White Shrine of Jerusalem

    EIN 340677593 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Orginal Corvette Club of St Louis

    EIN 333566946 · Headquarters: ST Louis, MO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Orlando Family Foundation for Charities

    EIN 431906074 · Headquarters: ST LOUIS, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Orthodontic Education & Research Foundation

    EIN 436043226 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Orthopedic Care Foundation

    EIN 300249718 · Headquarters: ST LOUIS, MO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  83. Osver Scholarship Fund for School of Art of Washington University in St Louis

    EIN 266210173 · Headquarters: ST LOUIS, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Our Blessed Mothers Rosary Program

    EIN 431827040 · Headquarters: St Louis, MO, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Our Communitys Concern Inc

    EIN 043336467 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Our Lady of Life Apartments

    EIN 431229749 · Headquarters: ST LOUIS, MO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Our Lady of Lourdes Hospital at Pasco

    EIN 910349750 · Headquarters: St Louis, MO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Our Lady of Peace Inc

    EIN 161608735 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Our Lady of Perpetual Help Inc

    EIN 680662503 · Headquarters: ST LOUIS, MO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Our Ladys Inn

    EIN 431213751 · Headquarters: St Louis, MO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Our Little Haven

    EIN 431567500 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Overall Construction Industries Inc

    EIN 431171034 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Owl Inc

    EIN 431250089 · Headquarters: ST LOUIS, MO, USA · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990

  94. Oxbow Crossing and River Landing Public Improvement Company

    EIN 270975170 · Headquarters: ST LOUIS, MO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. P & R Communications Inc

    EIN 812841417 · Headquarters: St Louis, MO, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Pacific Region Oasis

    EIN 134242159 · Headquarters: ST LOUIS, MO, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990

  97. Page PAC

    EIN 842642380 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Pagedale Senior Citizen Club

    EIN 464863494 · Headquarters: St Louis, MO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Painters District Council #58

    EIN 376064177 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Painters Local Union No 1265 Health & Welfare Fund

    EIN 430558392 · Headquarters: St Louis, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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