Nonprofits in Ithaca, New York

Nonprofits in Ithaca, New York. Browse 1,005 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. Rotary Club of Ithaca New York Charitable Trust

    EIN 222888150 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. Rotary Club of Lansing-ithaca

    EIN 237180988 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Rotary International

    EIN 150433495 · Headquarters: Ithaca, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Rotary International

    EIN 161273516 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Rotary Park Inc

    EIN 883015161 · Headquarters: ITHACA, NY, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Royal Arch Masons of New York

    EIN 237591370 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Running to Places Theatre Company Ltd

    EIN 263434662 · Headquarters: ITHACA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. S T E V E N Foundation

    EIN 161286179 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Samuel Curtis Johnson Graduate School of of Cornell University Endowment Trust

    EIN 222572815 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Saoirse Pastures Inc

    EIN 870908751 · Headquarters: ITHACA, NY, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Savage Club of Ithaca Inc

    EIN 202761021 · Headquarters: Ithaca, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Savoyards Ithaca

    EIN 475253170 · Headquarters: ITHACA, NY, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. Schlather-Bilskey Family Foundation

    EIN 273329623 · Headquarters: Ithaca, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Sciencenter Discovery Museum

    EIN 222470652 · Headquarters: ITHACA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Scorpion Fraternity Inc

    EIN 222949466 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Scotties Place

    EIN 311672573 · Headquarters: ITHACA, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Seal & Serpent Society

    EIN 150442260 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Security Cooperative Insurance Company

    EIN 140971410 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Service In Unity Inc

    EIN 990400713 · Headquarters: Ithaca, NY, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Seventh Art Corporation of Ithaca

    EIN 161596844 · Headquarters: ITHACA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Shared Journeys Inc

    EIN 133856797 · Headquarters: Ithaca, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Shared Kitchen Ithaca Inc

    EIN 933883563 · Headquarters: ITHACA, NY, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Shelter Outreach Services

    EIN 061697719 · Headquarters: ITHACA, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Shirley Chu Memorial Fund

    EIN 161266518 · Headquarters: ITHACA, NY, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  25. Sigma Alpha Epsilon Fraternity

    EIN 150543510 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Sigma Alpha Mu

    EIN 150571282 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Sigma Alpha Sorority

    EIN 371578297 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  28. Sigma Chi Alpha Phi Chapter Sciarabba Walker & Co Llp

    EIN 150537026 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Sigma Chi Fraternity Psi Psi Chapter of the Sigma Chi Fratern

    EIN 208718395 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Sigma Chi Greystone Foundation Inc

    EIN 161529623 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Sigma Chi of Cornell Alumni Association

    EIN 166070759 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 166039055 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  33. Sigma Delta Tau - Gamma Lambda Chapter

    EIN 592933238 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Sigma Delta Tau - Gamma Theta House Corp

    EIN 161343331 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Sigma Delta Tau Society Alpha Chapter

    EIN 150537027 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Sigma Delta Tau Society Alpha House Corp

    EIN 841717089 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Sigma Nu Fraternity

    EIN 150537031 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Sigma Phi Epsilon

    EIN 150537029 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  39. Sigma Phi Omega National Honor Society

    EIN 431577308 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Sigma Pi - Mu Chapter

    EIN 150448140 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sigma Pi Fraternity Intl Mu Chapter Cornell Alumni Association Inc

    EIN 334194603 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Sigma Xi Alpha Chapter

    EIN 364656079 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Sisterhood of Avalon

    EIN 020635410 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Slow Food USA

    EIN 352213779 · Headquarters: Ithaca, NY, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Small Comforts Foundation Ltd

    EIN 161557693 · Headquarters: ITHACA, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Social Service League of Ithaca Inc

    EIN 150539122 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Social Ventures Inc Co Jeff Furman

    EIN 161564690 · Headquarters: ITHACA, NY, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Society for Empirical Legal Studies

    EIN 208204947 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Society for Garden Archaeology

    EIN 264304823 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Society for Human Resource Management of Tompkins County

    EIN 320194872 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Society for Turkish Classical Music Inc

    EIN 825481753 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society of Aviation and Flight Educators Co David St George

    EIN 264304491 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Society of Phi Zeta

    EIN 161337549 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. Society of Professional Journalists

    EIN 263450624 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Soil and Water Conservation Society Empire State Chapter

    EIN 912059440 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Solar Tompkins Inc

    EIN 465395395 · Headquarters: ITHACA, NY, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  57. Somaiya Foundation

    EIN 882702674 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Sons of Union Veterans of the Civil War

    EIN 911851855 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Source Institute

    EIN 753152182 · Headquarters: Ithaca, NY, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  60. South American Explorers Club

    EIN 742213605 · Headquarters: Ithaca, NY, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. South Asia Religion Art Science and Humanism Institution Inc (Sarashi)

    EIN 992231699 · Headquarters: ITHACA, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. South Central Regional Library Council

    EIN 160928826 · Headquarters: ITHACA, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. South East Europe Development Solutions

    EIN 203971956 · Headquarters: ITHACA, NY, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. South Hill Cemetery

    EIN 156025855 · Headquarters: Ithaca, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. South Hill School Age Program

    EIN 161596748 · Headquarters: Ithaca, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Southern Tier Building Officials Association Inc

    EIN 204627210 · Headquarters: ITHACA, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Southside Community Center Inc

    EIN 150539123 · Headquarters: ITHACA, NY, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  68. Space Infrastructure Labratory Corp

    EIN 991573977 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Spark Institute of Research and Innovation Inc

    EIN 881278681 · Headquarters: Ithaca, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Spectemur Agendo Foundation

    EIN 311779572 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Sri Global

    EIN 274749893 · Headquarters: Ithaca, NY, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. State Theatre Foundation Inc

    EIN 461370184 · Headquarters: ITHACA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. State Theatre of Ithaca Inc

    EIN 300520118 · Headquarters: ITHACA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Steampact Foundation Inc

    EIN 990597059 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Steven and Marcy Schaeffer Family Foundation Inc

    EIN 455339818 · Headquarters: ITHACA, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. Steven K and Winifred a Grinspoon Hillel Center for Jewish Community

    EIN 873956853 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Streeter Schol Fd Uw Lys

    EIN 166053773 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Student Agencies Foundation Inc

    EIN 150461439 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Student Agencies Properties Inc

    EIN 150461430 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Student-run Business Association

    EIN 832878948 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Suicide Prevention and Crisis Service of TC Inc

    EIN 160992587 · Headquarters: Ithaca, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Suicide Prevention Foundation Inc

    EIN 161272094 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Sustainable Finger Lakes Inc

    EIN 352311338 · Headquarters: ITHACA, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Sustainable Seafood Blog Project

    EIN 471623515 · Headquarters: Ithaca, NY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Swim Ithaca Inc

    EIN 464134955 · Headquarters: ITHACA, NY, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  86. Syracuse Speed Skating Club Inc

    EIN 301077722 · Headquarters: Ithaca, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Tanager Lodge Foundation

    EIN 611592688 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  88. Tandem Productions Inc

    EIN 161548065 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Tasai Inc

    EIN 833902470 · Headquarters: ITHACA, NY, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Tau Beta Pi Association Inc

    EIN 166053216 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Tau Chapter of Alpha Chi Sigma Inc

    EIN 150466748 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Tau Endowment Fund Inc

    EIN 300186027 · Headquarters: ITHACA, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Tc United Premier Soccer Club Inc

    EIN 203467120 · Headquarters: Ithaca, NY, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Tcat

    EIN 201549485 · Headquarters: Ithaca, NY, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Tea Leaves Inc

    EIN 271394052 · Headquarters: Ithaca, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Techspaces Education Inc

    EIN 394659325 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Teen Day Ithaca Inc

    EIN 852948522 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Telluride Association Inc

    EIN 160870219 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. The 508 Thurston Corp

    EIN 160916142 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. The Advocacy Center of Tompkins County

    EIN 222237195 · Headquarters: ITHACA, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

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