Nonprofits in Maryland

Nonprofits in Maryland. Browse 47,413 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. Phi Delta Theta Fraternity

    EIN 364651090 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Phi Delta Theta Fraternity

    EIN 521682166 · Headquarters: Chestertown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Phi Deuteron House Corporation Ramez Fahmy

    EIN 521710554 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. Phi Epsilon of Zeta Psi Inc C/o Andrew Frisvold

    EIN 521067671 · Headquarters: GAMBRILLS, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Phi Eta Sigma National Honor Society Inc

    EIN 462411407 · Headquarters: Frostburg, MD, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Phi Gamma Delta Fraternity

    EIN 521180516 · Headquarters: COLLEGE PARK, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. Phi Gamma Delta Fraternity

    EIN 934721573 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Phi Kappa Psi Fraternity

    EIN 521038237 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Phi Kappa Psi Fraternity

    EIN 823040990 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Phi Kappa Psi Fraternity Maryland Gamma Chapter

    EIN 800523085 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Phi Kappa Sigma Educational Fund Inc

    EIN 236235335 · Headquarters: CHESTERTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Phi Kappa Sigma Fraternity

    EIN 260062223 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  13. Phi Kappa Sigma Fraternity

    EIN 900281240 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. Phi Kappa Tau Fraternity Beta Omicron

    EIN 520739730 · Headquarters: DERWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Phi Kappa Theta Fraternity Alpha Chapter

    EIN 240805690 · Headquarters: BETHESDA, MD, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  16. Phi Mu Delta Mu Omicron Alumni

    EIN 463005526 · Headquarters: Cresaptown, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. Phi Sigma Sigma

    EIN 231390192 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. Phi Sigma Sigma

    EIN 237161859 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. Phi Sigma Sigma

    EIN 237163947 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Phi Sigma Sigma

    EIN 270564486 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  21. Phi Sigma Sigma

    EIN 271269899 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Phi Sigma Sigma

    EIN 271836834 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Phi Sigma Sigma

    EIN 273450657 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Phi Sigma Sigma

    EIN 300416272 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Phi Sigma Sigma

    EIN 311105766 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Phi Sigma Sigma

    EIN 382855990 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Phi Sigma Sigma

    EIN 461341318 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  28. Phi Sigma Sigma

    EIN 510485580 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Phi Sigma Sigma

    EIN 510485582 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  30. Phi Sigma Sigma

    EIN 526056449 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Phi Sigma Sigma

    EIN 581485431 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Phi Sigma Sigma

    EIN 581485434 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Phi Sigma Sigma

    EIN 581485435 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Phi Sigma Sigma

    EIN 581485438 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  35. Phi Sigma Sigma

    EIN 581485439 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Phi Sigma Sigma

    EIN 581485442 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Phi Sigma Sigma

    EIN 581858571 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Phi Sigma Sigma

    EIN 581858576 · Headquarters: SYKESVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Phi Sigma Sigma

    EIN 581858589 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Phi Sigma Sigma

    EIN 581858592 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Phi Sigma Sigma

    EIN 581864056 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Phi Sigma Sigma

    EIN 581864065 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Phi Sigma Sigma

    EIN 581864085 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Phi Sigma Sigma

    EIN 581864091 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Phi Sigma Sigma

    EIN 581864105 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Phi Sigma Sigma

    EIN 581864109 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Phi Sigma Sigma

    EIN 581864111 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Phi Sigma Sigma

    EIN 581864115 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Phi Sigma Sigma

    EIN 581864116 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Phi Sigma Sigma

    EIN 581864118 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Phi Sigma Sigma

    EIN 581864123 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Phi Sigma Sigma

    EIN 581864126 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Phi Sigma Sigma

    EIN 581864128 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Phi Sigma Sigma

    EIN 581864130 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Phi Sigma Sigma

    EIN 581908607 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  56. Phi Sigma Sigma

    EIN 581908620 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Phi Sigma Sigma

    EIN 581908624 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Phi Sigma Sigma

    EIN 581908626 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Phi Sigma Sigma

    EIN 581908629 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Phi Sigma Sigma

    EIN 581908631 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Phi Sigma Sigma

    EIN 581908636 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Phi Sigma Sigma

    EIN 581908638 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Phi Sigma Sigma

    EIN 650215714 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  64. Phi Sigma Sigma

    EIN 650472462 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  65. Phi Sigma Sigma

    EIN 650584428 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  66. Phi Sigma Sigma

    EIN 650584443 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Phi Sigma Sigma

    EIN 753224072 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Phi Sigma Sigma

    EIN 753224074 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  69. Phi Sigma Sigma

    EIN 830496436 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Phi Sigma Sigma

    EIN 900064700 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. Phi Sigma Sigma

    EIN 900156180 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  72. Phi Sigma Sigma

    EIN 911908675 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. Phi Sigma Sigma

    EIN 912037209 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  74. Phi Sigma Sigma

    EIN 912037210 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. Phi Sigma Sigma

    EIN 912110911 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. Phi Sigma Sigma - Beta Eta Chapter

    EIN 475518135 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Phi Sigma Sigma - Delta Phi Chapter

    EIN 581864075 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Phi Sigma Sigma - Delta Xi Chapter

    EIN 581864062 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Phi Sigma Sigma - Epsilon Alpha Chapter

    EIN 371376206 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Phi Sigma Sigma Central Indiana Alumnae Club

    EIN 900426185 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Phi Sigma Sigma Epsilon Beta Alumna E Club

    EIN 900428551 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  82. Phi Sigma Sigma Epsilon Chapter

    EIN 900428547 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Phi Sigma Sigma Foundation Inc

    EIN 205942561 · Headquarters: ELDERSBURG, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Phi Sigma Sigma Inc

    EIN 010777011 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. Phi Sigma Sigma Inc

    EIN 046167824 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  86. Phi Sigma Sigma Inc

    EIN 050463773 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Phi Sigma Sigma Inc

    EIN 161737956 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. Phi Sigma Sigma Inc

    EIN 223075497 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. Phi Sigma Sigma Inc

    EIN 236432249 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Phi Sigma Sigma Inc

    EIN 263941683 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  91. Phi Sigma Sigma Inc

    EIN 311254232 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Phi Sigma Sigma Inc

    EIN 364656209 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Phi Sigma Sigma Inc

    EIN 383801496 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Phi Sigma Sigma Inc

    EIN 421682330 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. Phi Sigma Sigma Inc

    EIN 451806292 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Phi Sigma Sigma Inc

    EIN 453236484 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Phi Sigma Sigma Inc

    EIN 475532648 · Headquarters: Eldersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Phi Sigma Sigma Inc

    EIN 530220898 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Phi Sigma Sigma Inc

    EIN 562459810 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  100. Phi Sigma Sigma Inc

    EIN 581858588 · Headquarters: Elkridge, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

First page and all pages