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. Owen Brown Community Association Inc

    EIN 521020415 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Owen M Johnson Family Foundation

    EIN 521513303 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Owings Mills Corporate Roundtable Inc

    EIN 522028883 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Owings Mills High School Ptsa

    EIN 521160519 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Owings Mills Volunteer Fire Company of Baltimore County Inc

    EIN 520915635 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Owings Mills Volunteer Fire Company Trus

    EIN 237093192 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Oxford Cemetery Company

    EIN 520797734 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Oxford House

    EIN 521582231 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Oxford Library Incorporated

    EIN 521063215 · Headquarters: Oxford, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Oxon Hill Bicycle & Trail Club Inc

    EIN 237309604 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Oxon Hill Charter Chapter of the American Business Womens Associati

    EIN 273304996 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Oxon Hill High School Vocal

    EIN 832190830 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Oxon Hill Recreation Club Inc

    EIN 521036866 · Headquarters: Oxon Hill, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Oxon Hill Roadrunners Pta

    EIN 994100116 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Oxon Hill Sportsmens Club Inc

    EIN 521057986 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Oxon Hill-shining Stars Lions Club

    EIN 934594887 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Oyster Recovery Partnership Inc

    EIN 237204806 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Pacific Coast College Health Association

    EIN 237133352 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Pact Helping Children with Special Needs Inc

    EIN 521230183 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Padi - Projects for African Development Incorporated

    EIN 931376605 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Pain Meets Power Inc

    EIN 842600507 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Pain2purpose Life Coaching

    EIN 923900752 · Headquarters: Walkersville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Paint & Powder Club Incorporated

    EIN 520781430 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Paint Branch Garden Club

    EIN 300647295 · Headquarters: Glenn Dale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Painter's Local 1

    EIN 520256490 · Headquarters: LANHAM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Painters and Allied Trades Labor- Management Cooperation Initiative

    EIN 526776506 · Headquarters: HANOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Pajama Jams for Youth Inc

    EIN 463741470 · Headquarters: CROWNSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Pakistan American Islamic Cultural Society Inc

    EIN 521391983 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Palatine Acc

    EIN 262537275 · Headquarters: Potmac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Palisades Swimming Pool Association Inc

    EIN 520859104 · Headquarters: GLEN ECHO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Palmer Park Seniors Housing Inc

    EIN 300017331 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Pamela Coleman Ministry

    EIN 010959889 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. Pan American Society for Clinical Virology C/o Ana Maria Cardenas

    EIN 222576146 · Headquarters: LUTHERVILLETIMONIUM, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Panache Boutique Inc

    EIN 844202902 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Pancretan Association of America

    EIN 237208073 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Pancretan Association of America

    EIN 237641370 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Pancretan Youth Association of America

    EIN 271141996 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Pancyprian Soccer Club Inc

    EIN 521226399 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Panhellenic Club of Annapolis Inc

    EIN 521605857 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Paper Machine Clothing Council Inc

    EIN 530173247 · Headquarters: National Harbor, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Paradigm Connections Corporation

    EIN 932206536 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Paraguay Contigo Inc

    EIN 474980877 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. Paramount USA Inc

    EIN 463613360 · Headquarters: Ft Meade, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. Parent Booster USA

    EIN 823814730 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Parent Booster USA Inc

    EIN 412774245 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Parent Booster USA Inc

    EIN 414962552 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Parent Booster USA Inc

    EIN 463599832 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Parent Booster USA Inc

    EIN 811493689 · Headquarters: Pittsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Parent Booster USA Inc

    EIN 812309444 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. Parent Booster USA Inc

    EIN 813927323 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. Parent Booster USA Inc

    EIN 814463094 · Headquarters: Michellville, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  52. Parent Booster USA Inc

    EIN 823453314 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  53. Parent Booster USA Inc

    EIN 825186700 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. Parent Booster USA Inc

    EIN 831631416 · Headquarters: Burtonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Parent Booster USA Inc

    EIN 831782835 · Headquarters: Glendale, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Parent Booster USA Inc

    EIN 833340089 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Parent Booster USA Inc

    EIN 921339663 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Parent Booster USA Inc

    EIN 933482244 · Headquarters: Ijamsville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Parent Booster USA Inc

    EIN 933775971 · Headquarters: Gambrills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Parent Booster USA Inc

    EIN 934244216 · Headquarters: Fruitland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Parent Booster USA Inc

    EIN 990495010 · Headquarters: Forest Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Parent Encouragement Program

    EIN 521379642 · Headquarters: Kensington, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Parenteral Drug Association Inc

    EIN 223060559 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Parenteral Drug Association Inc

    EIN 232672158 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Parenteral Drug Association Inc

    EIN 330706422 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Parenteral Drug Association Inc

    EIN 521760551 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Parenteral Drug Association Inc

    EIN 521903706 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Parenteral Drug Association Inc

    EIN 521906152 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Parenteral Drug Association Inc

    EIN 562069825 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Parenteral Drug Association Inc

    EIN 660692809 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Parenteral Drug Association Inc

    EIN 800751438 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Parenteral Drug Association Inc

    EIN 811629682 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Parenteral Drug Association Inc

    EIN 841413774 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Parenteral Drug Association Inc Midwest Chapter

    EIN 223060551 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Parenteral Drug Association Pacific Northwest Chapter

    EIN 831888254 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Parents Council of Washington

    EIN 237263795 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Parents of Children with Down Syndrome-pods-of Prince George Co

    EIN 521372592 · Headquarters: Burtonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Parents of Preschoolers Inc

    EIN 521011527 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Parents Supporting Educational Excellence

    EIN 921856490 · Headquarters: FORT WASHINGTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Parents Without Partners Inc

    EIN 521067830 · Headquarters: FINKSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Parents-coaches Association Pca C/o Carole G Brady

    EIN 525277056 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Park Head Cemetery Improvement Association Inc

    EIN 526039012 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Park School Parents Association Inc

    EIN 237280445 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Park West Health System Inc

    EIN 520976937 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. Parkland Pool Association Inc

    EIN 520710521 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  86. Parklane Neighborhood Association

    EIN 522236298 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Parkview Citizens Association

    EIN 472680101 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Parkville Recreation & Parks Council Inc

    EIN 521071220 · Headquarters: PARKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Parkwood Residents Association Inc

    EIN 521514068 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Parole Rotary Club Foundation Inc

    EIN 521589478 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Part Two Dance Company Inc

    EIN 521752383 · Headquarters: BEL AIR, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Partners in Privatization Inc

    EIN 521886151 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. Partnership for Personalized Medical Innovations

    EIN 993351453 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Pasadena Baseball Club Inc

    EIN 237452565 · Headquarters: PASADENA, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pasadena Business Association Inc

    EIN 521477614 · Headquarters: Pasadena, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Pasadena City College PAD Prelaw Chapter

    EIN 954462138 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pasadena Sportfishing Group Inc

    EIN 521943854 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Pascal Foundationinc

    EIN 522089152 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Pascal Seniors Inc

    EIN 510289509 · Headquarters: GLEN BURNIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Passano Foundation

    EIN 526036968 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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