Nonprofits in Pennsylvania

Nonprofits in Pennsylvania. Browse 93,150 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. Sigma Alpha Mu Fraternity

    EIN 231087080 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  2. Sigma Alpha Mu Fraternity

    EIN 231373441 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Sigma Alpha Mu Fraternity

    EIN 521542964 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Sigma Alpha Mu Fraternity Mu Lambda Chapter

    EIN 311218137 · Headquarters: STATE COLLEGE, PA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990

  5. Sigma Alpha Omega Christian Sorority Inc

    EIN 824946243 · Headquarters: Westchester, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sigma Alpha Omega Christian Sorority Inc

    EIN 833215803 · Headquarters: Pittsburg, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sigma Alpha Omega Christian Sorority Inc

    EIN 843160970 · Headquarters: St Davids, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sigma Alpha Rho Alumni Association Inc

    EIN 473351526 · Headquarters: Yardley, PA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Sigma Chapter of Beta Phi Mu

    EIN 911893469 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Sigma Chapter of Phi Sigma Delta Educational Foundation

    EIN 231709257 · Headquarters: STATE COLLEGE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Sigma Chi Beta Theta Chapter

    EIN 992953906 · Headquarters: Pittsburgh, PA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Sigma Chi Delta House Corporation

    EIN 237201115 · Headquarters: Wexford, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Sigma Chi Fraternity

    EIN 231087100 · Headquarters: PHILADELPHIA, PA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  14. Sigma Chi Fraternity

    EIN 237367657 · Headquarters: Indiana, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Sigma Chi Fraternity

    EIN 240799194 · Headquarters: LEWISBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Sigma Chi Fraternity

    EIN 454425349 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Sigma Chi Fraternity Alpha Chi Chapter

    EIN 240798433 · Headquarters: State College, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Sigma Chi Fraternity Alpha Rho Chapter

    EIN 240795222 · Headquarters: Bethlehem, PA, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990

  19. Sigma Chi Fraternity Lambda Pi Chapter

    EIN 274852169 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Sigma Chi Fraternity Lambda Rho Chapter

    EIN 844916343 · Headquarters: LORETTO, PA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Sigma Chi Fraternity Theta Chapter

    EIN 231151025 · Headquarters: GETTYSBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 256064406 · Headquarters: University Park, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Sigma Delta Epsilon Graduate Womens Scientific Frat

    EIN 455041202 · Headquarters: Hershey, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Sigma Delta Epsilon Graduate Womens Scientific Frat

    EIN 825256628 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Sigma Delta Tau Society

    EIN 232646541 · Headquarters: York, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Sigma Delta Tau Society

    EIN 251428746 · Headquarters: University Park, PA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. Sigma Gamma Epsilon

    EIN 742239784 · Headquarters: Slippery Rock, PA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  28. Sigma Gamma Epsilon

    EIN 742797582 · Headquarters: edinboro, PA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  29. Sigma Gamma Rho Sorority

    EIN 392509399 · Headquarters: DARBY, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Sigma Gamma Rho Sorority Inc

    EIN 134312775 · Headquarters: SHARON HILL, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Sigma Gamma Rho Sorority Inc

    EIN 231617262 · Headquarters: DARBY, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Sigma Gamma Rho Sorority Inc

    EIN 232600969 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Sigma Gamma Rho Sorority Inc

    EIN 232823684 · Headquarters: GLENOLDEN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Sigma Gamma Rho Sorority Inc

    EIN 236298343 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sigma Gamma Rho Sorority Inc

    EIN 264150010 · Headquarters: Shippensburg, PA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. Sigma Gamma Rho Sorority Inc

    EIN 264580442 · Headquarters: Bloomsburg, PA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. Sigma Gamma Rho Sorority Inc

    EIN 300515441 · Headquarters: FT WASHINGTON, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Sigma Gamma Rho Sorority Inc

    EIN 311333122 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Sigma Gamma Rho Sorority Inc

    EIN 320400612 · Headquarters: YORK, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Sigma Gamma Rho Sorority Inc

    EIN 364121111 · Headquarters: PENN HILLS, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Sigma Gamma Rho Sorority Inc

    EIN 364123563 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Sigma Gamma Rho Sorority Inc

    EIN 800158169 · Headquarters: HARRISBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Sigma Gamma Rho Sorority Inc

    EIN 823409540 · Headquarters: DALLASTOWN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sigma Gamma Rho Sorority Inc

    EIN 912141083 · Headquarters: WEST CHESTER, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Sigma Gamma Rho Sorority Inc

    EIN 921194217 · Headquarters: Cheltenham, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Sigma Gamma Rho Sorority Inc - Tau Zeta

    EIN 813218179 · Headquarters: Bethlehem, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Sigma Mu Lambda Chapter of Alpha Phi Alpha Fraternity Inc

    EIN 842416669 · Headquarters: Wayne, PA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Sigma Nu Fraternity

    EIN 231494341 · Headquarters: Gettysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Sigma Nu Fraternity

    EIN 270068992 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. Sigma Nu Fraternity

    EIN 800179031 · Headquarters: Williamsport, PA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. Sigma Nu Fraternity

    EIN 800567726 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Sigma Nu Fraternity Delta Delta Chapter

    EIN 240804142 · Headquarters: State College, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Sigma Phi Alpha Dental Hygeniene Honor Society

    EIN 260067538 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 230678363 · Headquarters: BERWICK, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 232577677 · Headquarters: Williamsport, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 236426591 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 341623759 · Headquarters: Quakertown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 363792963 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 363886390 · Headquarters: Bryn Mawr, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 912048912 · Headquarters: Harrisburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Sigma Phi Aplha Dental Hygiene Honor Society

    EIN 364017895 · Headquarters: Youngwood, PA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  62. Sigma Phi Delta Bk Alumni Association

    EIN 880865112 · Headquarters: Bartonsville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Sigma Phi Epsilon - Pennsylvania Kappa

    EIN 911981287 · Headquarters: Lewisburg, PA, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990

  64. Sigma Phi Epsilon Fraternity Inc

    EIN 231087120 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sigma Phi Epsilon Fraternity Inc

    EIN 911981290 · Headquarters: Bethlehem, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Sigma Phi Epsilon Fraternity Inc

    EIN 943178356 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Sigma Phi Epsilon Fraternity Inc - Pennsylvania Beta Beta Chapter

    EIN 233038395 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Sigma Phi Epsilon Fraternity Inc Pa Rho Chapter

    EIN 943178359 · Headquarters: Villanova, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Sigma Phi Sigma Theta Delta Chi Alu

    EIN 246019864 · Headquarters: MEDIA, PA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Sigma Phi Society at Lehigh University Alumni Corporation

    EIN 455565463 · Headquarters: bethlehem, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  71. Sigma Pi Fraternity Beta Psi Chapter

    EIN 236424400 · Headquarters: East Stroudsburg, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Pi Fraternity International Inc

    EIN 203684528 · Headquarters: Williamsport, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sigma Pi Fraternity International Inc

    EIN 208014743 · Headquarters: Collegeville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sigma Pi Fraternity International Inc

    EIN 236424404 · Headquarters: LANCASTER, PA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Sigma Pi Fraternity International Inc

    EIN 251820227 · Headquarters: Indiana, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sigma Pi Fraternity International Inc

    EIN 264332783 · Headquarters: Philadelphia, PA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Sigma Pi Fraternity International Inc

    EIN 311207368 · Headquarters: West Chester, PA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  78. Sigma Pi Fraternity International Inc

    EIN 311207371 · Headquarters: Millersville PA, PA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. Sigma Pi Fraternity International Inc

    EIN 311404341 · Headquarters: Kutztown, PA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  80. Sigma Pi Fraternity International Inc

    EIN 710879104 · Headquarters: Altoona, PA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  81. Sigma Pi Fraternity Theta Chapter

    EIN 240798435 · Headquarters: STATE COLLEGE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Sigma Pi Memorial Open Foundation

    EIN 413199030 · Headquarters: Malvern, PA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Psi Zeta Sorority Inc - Alpha Psi

    EIN 874764687 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sigma Sharks Youth Organization

    EIN 990716037 · Headquarters: BENSALEM, PA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sigma Sigma Phi

    EIN 472774931 · Headquarters: Erie, PA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. Sigma Sigma Phi

    EIN 753131889 · Headquarters: Erie, PA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Sigma Sigma Phi

    EIN 830507899 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Sigma Sigma Sigma Inc

    EIN 453370843 · Headquarters: Drexel Hill, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Sigma Sigma Sigma Inc

    EIN 453793450 · Headquarters: Slippery Rock, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Sigma Sigma Sigma Inc

    EIN 454665957 · Headquarters: Mount Joy, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Sigma Tau Delta Robert Morris University Alpha Sigma Lambda Chap

    EIN 455214667 · Headquarters: Moon Township, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  92. Sigma Tau Gamma Fraternity

    EIN 251552035 · Headquarters: Pittsburgh, PA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. Sigma Tau Gamma Fraternity

    EIN 452248941 · Headquarters: Lancaster, PA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Sigma Tau Gamma Fraternity - Alpha Psi

    EIN 240838350 · Headquarters: STATE COLLEGE, PA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  95. Sigma Tau Gamma Fraternity D/b/a Gamma Tau

    EIN 237353676 · Headquarters: MILLERSVILLE, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Sigma Thela Tau International

    EIN 320593101 · Headquarters: Williamsport, PA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Sigma Theta Tau Fraternity Eta Epsilon Chapter

    EIN 363314858 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sigma Theta Tau Inc

    EIN 232160239 · Headquarters: Jamison, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sigma Theta Tau Inc

    EIN 236434830 · Headquarters: Villanova, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Sigma Theta Tau Inc

    EIN 237407405 · Headquarters: State College, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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