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. Knights of St John Ladies Auxiliary

    EIN 521483671 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Knights of St John Supreme Ladies Auxiliary

    EIN 141458118 · Headquarters: PIKESVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Knights of the York Cross of Honour Convent General

    EIN 237532656 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights Templar Educational Foundation of the Grand Emcampment

    EIN 530094983 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  5. Knights Templar Educational Foundation of the Grand Encampment

    EIN 526064056 · Headquarters: Kingsville, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  6. Knights Templar of the United States of America

    EIN 237130252 · Headquarters: ANNAPOLIS, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Knights Templar of the United States of America

    EIN 237136565 · Headquarters: DISTRICT HEIGHTS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights Templar of the United States of America

    EIN 237618320 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Knights Templar of the United States of America

    EIN 237619542 · Headquarters: ELDERSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Knights Templar of the United States of America

    EIN 237619547 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights Templar of the United States of America

    EIN 520378245 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights Templar of the United States of America

    EIN 520378256 · Headquarters: CHESTERTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Knights Templar of the United States of America

    EIN 520913160 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Knights Templar of the United States of America

    EIN 530193140 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Knights Templar Us 3 Monumental Crusade Commandery of Cockeysville

    EIN 520378259 · Headquarters: COCKEYSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Knollwood-donnybrook Improvement Association Inc

    EIN 526050024 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Koch Family Foundation Inc

    EIN 521859184 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Kolker-saxon-hallock Family Foundation Inc

    EIN 521636273 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Koontz Chapel Cemetery Inc

    EIN 521408704 · Headquarters: Jefferson, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Korean American Education Foundation

    EIN 237275374 · Headquarters: LAUREL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Korean Community Senior Housing Corporation of Maryland

    EIN 521569630 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Kornegay Family Reunion Va Chapter

    EIN 465760828 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Kosa-america Corporation

    EIN 861607551 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Krieger-loube Post 567 Jewish War Veterans

    EIN 061817358 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Krishna-govardhana Resonance Charity

    EIN 934253040 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Kromah Gallery Inc

    EIN 824482640 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Kuethe Library Inc

    EIN 520783089 · Headquarters: GLEN BURNIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Kurdistan Nursing and Midwifery Development Foundation Inc

    EIN 932901813 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Kwktmaa

    EIN 902859515 · Headquarters: University Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Kwm Cares

    EIN 472677705 · Headquarters: Hunt Valley, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  31. L Franklin Purnell Foundation C/o Jason Parker

    EIN 237187899 · Headquarters: BERLIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. L W Big Book Study Group

    EIN 472278351 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. L'hirondelle Club of Ruxton Inc

    EIN 520389355 · Headquarters: RUXTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. La Fra Antietam Unit 142

    EIN 264104769 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. La Leche League International Inc

    EIN 200009384 · Headquarters: Takoma Park, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. La Leche League International Inc

    EIN 371913698 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. La Leche League International Inc

    EIN 521093190 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. La Leche League International Inc

    EIN 522278960 · Headquarters: Arnold, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. La Leche League International Inc

    EIN 522278962 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. La Leche League International Inc

    EIN 522278973 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. La Leche League International Inc

    EIN 522278978 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. La Leche League International Inc

    EIN 522278983 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. La Leche League International Inc

    EIN 522278984 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. La Leche League International Inc

    EIN 522279246 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. La Leche League International Inc

    EIN 522279257 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. La Leche League International Inc

    EIN 522279266 · Headquarters: Callaway, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. La Leche League International Inc

    EIN 522279267 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Labor and Employee Relations Association

    EIN 521064423 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Labor and Employee Relations Association

    EIN 521732527 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Laborers District Council Health & Welfare Trust Fund No 2

    EIN 520228954 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Laborers International Union of North America Local Union 572

    EIN 540965469 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Laborers' International Union - Local 616

    EIN 520487283 · Headquarters: CRESAPTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Ladies Auxilary Mdssar

    EIN 934131603 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Ladies Auxiliary Fleet Reserve Assn Triangle Unit 182

    EIN 300637509 · Headquarters: Hgerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Ladies Auxiliary Fleet Reserve Association Unit 93

    EIN 465321513 · Headquarters: Lexington Park, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Ladies Auxiliary Fleet Reserve Association Unit-24

    EIN 201893416 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ladies Auxiliary of the Fleet Reserve Association Unit 4

    EIN 471415494 · Headquarters: WALDORF, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. Ladies Auxiliary to the Bladensburg Volunteer Fire Department Inc

    EIN 521585303 · Headquarters: Bladensburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Ladies of Distinction Mentoring Inc

    EIN 995026580 · Headquarters: Belcamp, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ladies of Holy Family Mitchellville

    EIN 475043605 · Headquarters: Mitchellville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Ladies of the Knights

    EIN 611945294 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Lady Heat Basketball

    EIN 273540877 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  63. Lake Chaney Ski Club Inc

    EIN 300466588 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Lake Shore Softball

    EIN 521043956 · Headquarters: Pasadena, Maryland, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Lake Shore Volunteer Fire Comp

    EIN 526049614 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Lakeside-dockside Association Inc Co Vn Management Inc

    EIN 521165753 · Headquarters: ELKRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Lakeview Club Inc

    EIN 520845727 · Headquarters: REISTERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Lakewood Country Club Inc

    EIN 530245497 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Lal Bhakri Foundation Incorporated

    EIN 934096244 · Headquarters: ELLICOTT CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Lama Annapolis Md Inc

    EIN 472297445 · Headquarters: PIKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  71. Lamaze International

    EIN 521035992 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Lambda Chi Alpha Fraternity Inc

    EIN 521154014 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Lambda Chi Alpha Fraternity Inc

    EIN 811624052 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  74. Lambda Delta Chapter

    EIN 270930717 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  75. Lambda Iota Chapter - Zeta Phi Beta Sorority

    EIN 331514755 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Lambda Kappa Mu Kopelles

    EIN 473268912 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Lambda Nu Delta

    EIN 833453545 · Headquarters: brooklyn, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Lambda Phi Chapter of Chi Eta Phi Sorority Inc

    EIN 900753834 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Lambda Theta Phi Latin Fraternity Inc - University of Maryland Colle

    EIN 300861266 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Lamky Luther Whitehead Veterans Memorial Inc

    EIN 521616729 · Headquarters: WHITE MARSH, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Lan D Caohuy-rifkin

    EIN 823896806 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Landberry Limited

    EIN 852531000 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Landing Neck Cemetery Association Inc

    EIN 521073586 · Headquarters: Trappe, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Landscape Design Council

    EIN 800532514 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Landsdale Swim Team

    EIN 844799603 · Headquarters: Monrovia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Laplata Volunteer Fire Dept Inc

    EIN 520657329 · Headquarters: LAPLATA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Largo Civic Association Inc

    EIN 237362606 · Headquarters: Largo, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Larry's Creek Fish & Game Club Inc

    EIN 240639417 · Headquarters: RIDERWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Laryngectomee Club of Montgomery County

    EIN 680642896 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. LaSalle University PAD PreLaw Chapter

    EIN 943218356 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Latin Goodness Foundation

    EIN 933450340 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Laurel Board of Trade Inc

    EIN 521783170 · Headquarters: LAUREL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Laurel Boys and Girls Club Inc

    EIN 237037474 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  94. Laurel Cemetery Memorial Project Inc

    EIN 851470376 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Laurel Lodge 155 Knights of Pythias Inc

    EIN 743222710 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. Laurel Pillar Club Inc

    EIN 521525883 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Laurel Senior Friendship Club Incorporated

    EIN 521270752 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Laurel Temple Holding Corporation

    EIN 521404862 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Laurel Volunteer Rescue Squad Inc

    EIN 526044884 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Laurel Wreath Lodge No 149 AF & AM

    EIN 237144246 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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