Unknown & Unclassified nonprofits in Maryland

Unknown & Unclassified nonprofits in Maryland. Browse 10,672 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. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521124140 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521160518 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521513651 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521659454 · Headquarters: FORT MEADE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521694278 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521709562 · Headquarters: FINKSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521832976 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521880662 · Headquarters: Belcamp, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521892108 · Headquarters: Forestville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521892611 · Headquarters: CHESTERTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Pta Maryland Congress of Parent & Teachers Inc

    EIN 800586040 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Pta Maryland Congress of Parent & Teachers Inc

    EIN 800628489 · Headquarters: Gwynn Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Pta Maryland Congress of Parent & Teachers Inc

    EIN 810840577 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Pta Maryland Congress of Parent & Teachers Inc

    EIN 811802124 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Pta Maryland Congress of Parent & Teachers Inc

    EIN 812663860 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Pta Maryland Congress of Parent & Teachers Inc

    EIN 812668721 · Headquarters: Riverdale, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Pta Maryland Congress of Parent & Teachers Inc

    EIN 820913900 · Headquarters: Mitchellville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Pta Maryland Congress of Parent & Teachers Inc

    EIN 821513386 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Pta Maryland Congress of Parent & Teachers Inc

    EIN 823445844 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  20. Pta Maryland Congress of Parent & Teachers Inc

    EIN 830857210 · Headquarters: Delmar, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832293258 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832408196 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832408315 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  24. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832566092 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Pta Maryland Congress of Parent & Teachers Inc Thomas W Pyle School Ptsa

    EIN 526070778 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. PTA Maryland Congress of Parent and Teachers Inc

    EIN 237031185 · Headquarters: GRASONVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Pta Maryland Congress of Parents & Teachers

    EIN 237188627 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. Pta Maryland Congress of Parents & Teachers Gale-bailey Elementary

    EIN 542089216 · Headquarters: Marbury, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237030619 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237030666 · Headquarters: Knoxville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031024 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031101 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031311 · Headquarters: PARK HALL, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031681 · Headquarters: Burtonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237188621 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237275118 · Headquarters: SEVERN, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237275122 · Headquarters: Owings, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Pta Maryland Congress of Parents & Teachers Inc

    EIN 260639638 · Headquarters: ODENTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Pta Maryland Congress of Parents & Teachers Inc

    EIN 520667483 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521638410 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521659761 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521677073 · Headquarters: Worton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521706535 · Headquarters: Perry Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521790775 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  45. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521801800 · Headquarters: Huntingtown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521813113 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  47. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521877567 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  48. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521891788 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522038315 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522048893 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522216729 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Pta Maryland Congress of Parents & Teachers Inc

    EIN 770590770 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  53. Pta Maryland Congress of Parents & Teachers Inc

    EIN 814262851 · Headquarters: Rising Sun, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Pta Maryland Congress of Parents & Teachers Inc

    EIN 814387900 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Pta Maryland Congress of Parents & Teachers Inc

    EIN 834517458 · Headquarters: oxon hill, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Pta Maryland Congress of Parents & Teachers Inc

    EIN 842983197 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Pta Maryland Congress of Parents & Teachers Inc

    EIN 911882985 · Headquarters: Brooklyn, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. PTA Maryland CONGRESS OF PARENTS & TEACHERS INC Belvedere Elementary School PTA INC

    EIN 237031068 · Headquarters: ARNOLD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. PTA Maryland Congress of Parents & Teachers Woodlin ES PTA Inc

    EIN 520609152 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Pta Maryland Congress of Parents & Teachers/bethesda Elementary Pta

    EIN 526018858 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. PTA Maryland Congress of Parents and Teachers Arnold PTA

    EIN 237031093 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Pta Maryland Congress of Parents and Teachers Inc

    EIN 237031455 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. PTA Maryland Congress of Parents and Teachers Inc

    EIN 237077110 · Headquarters: Odenton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Pta Maryland Congress of Parents and Teachers Inc

    EIN 364675358 · Headquarters: CLEAR SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Pta Maryland Congress of Parents and Teachers Inc

    EIN 900507953 · Headquarters: GLEN BURNIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Pta Maryland Congress of Parents Richard Henry Lee Elementary School

    EIN 814617289 · Headquarters: GLEN BURNIE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Pta Maryland Congress Rosemary Hills Elementary Pta-md

    EIN 526070776 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Pta Maryland Congress Walter Johnson High

    EIN 526070784 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Pta Md Congress of Parents & Teachers Inc T/a Piney Ridge Elementry Pta

    EIN 521749112 · Headquarters: SYKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. PTA MD Congress Severna Park Elementary School

    EIN 237030513 · Headquarters: Severna Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  71. Pta Old Forge Inc Maryland Congress of Parents and Teachers

    EIN 237111268 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Pta Sparks Inc

    EIN 237031056 · Headquarters: SPARKS GLENCOE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Ptam Deer Park Middle School

    EIN 521322503 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Ptsa at Lansdowne Middle School Inc

    EIN 924029082 · Headquarters: Halethorpe, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Ptsd Retreat Inc

    EIN 460728958 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  76. Public Employees Safety Association of Maryland

    EIN 237352035 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Public Lawyers Legal Services Program Inc

    EIN 320309639 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  78. Public Relations Society of America Inc

    EIN 223069577 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Public Relations Society of America Inc

    EIN 521064862 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Public Risk Management Association Maryland Chapter

    EIN 923572345 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Public Safety Professionals of Cecil County Iaff Local 4645 Inc

    EIN 261687103 · Headquarters: ELKTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  82. Public School Administrators and Supervisors Association of Baltim

    EIN 237069231 · Headquarters: Randallstown, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Public School Superintendents' Assoc of Maryland Inc

    EIN 522051247 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Puget Sound Region

    EIN 753029089 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Punch Island Community Association Inc

    EIN 203155227 · Headquarters: Taylors Island, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Purdue University Student Chapter

    EIN 521186767 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Pure Gold Uplift Foundation

    EIN 844199607 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Purple Divas Organization

    EIN 462331285 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Purpose and Peace Foundation Inc

    EIN 843954095 · Headquarters: UPPER MARLBORO, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Pursuing Peace Ministries Incorporated

    EIN 272825823 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Pvfsr Foundation Inc

    EIN 521853989 · Headquarters: LA PLATA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Pyrotechnics Guild International Inc

    EIN 411697703 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Qiang Shan Ba Gua Zhang Association Ltd

    EIN 921953895 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Qonta Waddell Foundation Inc

    EIN 844184578 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Queen Anne Paramedic Fund

    EIN 463643647 · Headquarters: CENTREVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  96. Queen Anne's County Free Library

    EIN 520623993 · Headquarters: CENTREVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Queen Anne-hillsboro Volunteer Fire Company Inc

    EIN 526058100 · Headquarters: QUEEN ANNE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Queen Annes Conservation Association In

    EIN 520995129 · Headquarters: CENTREVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Queen Annes County Chamber of Commerce Inc

    EIN 251570670 · Headquarters: CHESTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Queen Annes County Education Association Inc

    EIN 521050091 · Headquarters: CENTREVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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