Nonprofits in Oswego, New York

Nonprofits in Oswego, New York. Browse 229 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. Newman Foundation of Oswego Inc

    EIN 150628338 · Headquarters: OSWEGO, NY, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Oh Properties Inc

    EIN 161365960 · Headquarters: Oswego, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Oh-shah Family Foundation

    EIN 936960100 · Headquarters: Oswego, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Ontario Bible Conference Assninc

    EIN 166099441 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Ontario Center for Performing Arts Inc

    EIN 161157978 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Operation Oswego County Foundation Inc

    EIN 134265021 · Headquarters: OSWEGO, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Operation Oswego County Inc

    EIN 150556616 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Order of Eastern Star of New York

    EIN 141781308 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Order of Eastern Star of New York

    EIN 237549774 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Oswego Alumni Association Inc

    EIN 222330519 · Headquarters: OSWEGO, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Oswego Art Collaborative Inc

    EIN 264173847 · Headquarters: Oswego, NY, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  12. Oswego Bookmobile Inc

    EIN 811451803 · Headquarters: OSWEGO, NY, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Oswego City Revitalization Corporation

    EIN 651235697 · Headquarters: OSWEGO, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  14. Oswego City Veterans Council

    EIN 161486996 · Headquarters: Oswego, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Oswego Classroom Teachers Association

    EIN 237363861 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Oswego Country Club

    EIN 150408150 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. Oswego County Association of the Deaf

    EIN 161366643 · Headquarters: Oswego, NY, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Oswego County Autism Task Force

    EIN 261366142 · Headquarters: Oswego, NY, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Oswego County Bar Association

    EIN 166056605 · Headquarters: OSWEGO, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Oswego County Childrens Fund Inc

    EIN 464185285 · Headquarters: OSWEGO, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Oswego County Conference of Mayors

    EIN 824227351 · Headquarters: Oswego, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Oswego County Deputies Association

    EIN 161530784 · Headquarters: OSWEGO, NY, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Oswego County Federation of Sportsmens Clubs Inc

    EIN 800037925 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Oswego County Habitat for Humanity Incorporated

    EIN 161397095 · Headquarters: OSWEGO, NY, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Oswego County Historical Society

    EIN 156024641 · Headquarters: OSWEGO, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Oswego County Humane Society Inc

    EIN 161586001 · Headquarters: OSWEGO, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Oswego County Land Bank Corporation

    EIN 812549668 · Headquarters: OSWEGO, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Oswego County Rlc Auxiliary

    EIN 364627371 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  29. Oswego County Sunset Group Inc

    EIN 275038827 · Headquarters: OSWEGO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Oswego Figure Skating Club

    EIN 900535332 · Headquarters: OSWEGO, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Oswego Harbor Festivals Inc

    EIN 161348741 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Oswego Health

    EIN 150532220 · Headquarters: Oswego, NY, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Oswego Health Foundation Inc

    EIN 800822020 · Headquarters: Oswego, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Oswego Health Inc

    EIN 161555936 · Headquarters: Oswego, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Oswego High School Band Parents Association Inc

    EIN 222370372 · Headquarters: OSWEGO, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Oswego History Records Center Inc

    EIN 832765432 · Headquarters: Oswego, NY, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Oswego Homeschool Association Inc

    EIN 853788235 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Oswego Hospital Employee Fund

    EIN 223329257 · Headquarters: OSWEGO, NY, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Oswego Lacrosse Foundation Inc

    EIN 833388742 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Oswego Laker Swim Club Corporation

    EIN 161577687 · Headquarters: OSWEGO, NY, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Oswego Little League Inc

    EIN 161562256 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  42. Oswego Maritime Alliance Inc

    EIN 161596829 · Headquarters: Oswego, NY, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Oswego Maritime Foundation Inc

    EIN 222330759 · Headquarters: Oswego, NY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  44. Oswego Middle School Hsa Inc

    EIN 161144902 · Headquarters: OSWEGO, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Oswego Minor Hockey Association Inc

    EIN 161592002 · Headquarters: OSWEGO, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Oswego Music Hall of Fame Inc

    EIN 822179543 · Headquarters: OSWEGO, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Oswego Opera Theater Inc

    EIN 222234087 · Headquarters: OSWEGO, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Oswego Players

    EIN 161307464 · Headquarters: OSWEGO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Oswego Polish American Club Inc

    EIN 150417985 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. Oswego Pride Softball Inc

    EIN 454431077 · Headquarters: OSWEGO, NY, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Oswego Rotary Foundation Inc

    EIN 510542620 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Oswego Sailing and Boating Foundati

    EIN 462044953 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Oswego School District Public Library

    EIN 161579959 · Headquarters: OSWEGO, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Oswego Town Historical Society

    EIN 061754218 · Headquarters: OSWEGO, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Oswego University Foundation Inc

    EIN 150543477 · Headquarters: OSWEGO, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Oswego Womens Bowling Hall of Fame

    EIN 383836505 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Oswego Yacht Club

    EIN 161581130 · Headquarters: OSWEGO, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Oswego Youth Soccer Association Inc

    EIN 222904730 · Headquarters: OSWEGO, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Oz Roller Girls Inc

    EIN 452563423 · Headquarters: Oswego, NY, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Paws Across Oswego County Inc

    EIN 223729416 · Headquarters: OSWEGO, NY, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Peaceful Remedies Inc

    EIN 813662962 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Pet Partners of Central New York Inc

    EIN 113790848 · Headquarters: Oswego, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Pflag Oswego County

    EIN 201176788 · Headquarters: OSWEGO, NY, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  64. Phase Zero

    EIN 991024756 · Headquarters: OSWEGO, NY, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Physician Care Pc

    EIN 900864974 · Headquarters: OSWEGO, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Plumbers & Steamfitters Local 73 Joint Journeymen & Apprentice Training Fund

    EIN 237269661 · Headquarters: OSWEGO, NY, USA · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990

  67. Polish Legion of American Veterans National Dept Ladies Auxiliary

    EIN 912146759 · Headquarters: Oswego, NY, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. Polish Legion of American Veterans USA

    EIN 166098170 · Headquarters: Oswego, NY, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  69. Pop Warner Little Scholars Inc

    EIN 020741347 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  70. Pop Warner Little Scholars Inc

    EIN 844216049 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Port City Educational Foundation In

    EIN 272746471 · Headquarters: OSWEGO, NY, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  72. Port City Pirates Baseball

    EIN 473270593 · Headquarters: OSWEGO, NY, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Port City Serenity Hall Inc

    EIN 301173469 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Psi Chi the International Honor Society in Psychology

    EIN 237031508 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Rescuers Unleashed for Furred Friends

    EIN 822362329 · Headquarters: OSWEGO, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Richard S Shineman Foundation

    EIN 461998245 · Headquarters: OSWEGO, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  77. Ritzkids Crush Cancer 5K

    EIN 880545760 · Headquarters: Oswego, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Riverside Cemetery of Oswego Inc

    EIN 150408380 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Road Runners Club of America

    EIN 831270495 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Rotary Club of Oswego

    EIN 161058867 · Headquarters: OSWEGO, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Rotary Club of Oswego Sunrise New York Inc

    EIN 412035589 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Rotary Club of Oswego Sunrise New York Inc

    EIN 831594006 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Royal Arch Masons of New York

    EIN 237195306 · Headquarters: Oswego, NY, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Run for Dennis

    EIN 463661278 · Headquarters: Oswego, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Safe Haven Museum and Education Center Inc

    EIN 161389015 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Scriba Historical Society

    EIN 384360037 · Headquarters: Oswego, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Seneca Hill Manor Inc

    EIN 223163818 · Headquarters: OSWEGO, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Sheriffs Silver Star Association Inc

    EIN 161136416 · Headquarters: OSWEGO, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  89. Sigma Alpha Epsilon Fraternity

    EIN 161521643 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. Sigma Tau Chi Alumni Association

    EIN 113495062 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Small Steps Cny Inc

    EIN 843796698 · Headquarters: OSWEGO, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Society for Computational Economics

    EIN 721356471 · Headquarters: Oswego, NY, US · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  93. Society of Pi Kappa Lambda

    EIN 912127606 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. South Side Cemetary Association of Volney

    EIN 237448162 · Headquarters: Oswego, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. Springside at Seneca Hill Inc

    EIN 161555935 · Headquarters: Oswego, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. St Francis Commons Inc

    EIN 451583898 · Headquarters: OSWEGO, NY, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. St Luke Housing Development Fund Company Inc

    EIN 161175282 · Headquarters: OSWEGO, NY, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. St Luke Residential Health Care Facility Inc

    EIN 161391191 · Headquarters: OSWEGO, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. St Luke Services Corporation

    EIN 815232014 · Headquarters: OSWEGO, NY, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. St Mary of the Assumption Preservation Group Inc

    EIN 842775944 · Headquarters: OSWEGO, NY, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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