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. Mechanical Contractors Association of America Inc

    EIN 130831270 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Mechanical Contractors Association of Maryland Inc

    EIN 520632294 · Headquarters: BALITMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Mechanical Contractors Association of Metropolitan Washington

    EIN 530216594 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Mechanicsville Chapt 444 Women of the Moose

    EIN 521264260 · Headquarters: Mechanicsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Mechanicsville Lodge No 495 Loyal Order of Moose Inc

    EIN 237352412 · Headquarters: MECHANICSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Mechanicsville Volunteer Fire Department Inc

    EIN 526057298 · Headquarters: MECHANICSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Meck PAD Law Chapter

    EIN 346578289 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. MECU Credit Union

    EIN 520284053 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Medical and Chirurgical Faculty of Maryland

    EIN 520410730 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Medical Professional Liability Association

    EIN 222205875 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Medical Staff of Northwest Hospital Center

    EIN 521039364 · Headquarters: RANDALLSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Medical Staff of Prince George's General Hospital and Medical Center

    EIN 521190176 · Headquarters: LARGO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Medical Staff of Tidal Health Peninsula

    EIN 521320813 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Medilag 85 Alumni Association North America

    EIN 208778868 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  15. Medstar Ambulatory Services Inc

    EIN 521132992 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Medstar Health Research Institute Inc

    EIN 526056274 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Medstar Health Visiting Nurse Association Inc

    EIN 530196597 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Meeting Ground

    EIN 521227620 · Headquarters: ELKTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Meeting Place Foundation Inc

    EIN 521621924 · Headquarters: NOTTINGHAM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Meisel Foundation Inc

    EIN 112918946 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  21. Melamed Foundation C/o Snyder Cohn Pc

    EIN 416019581 · Headquarters: NORTH BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Meman Foundation

    EIN 332496174 · Headquarters: ABINGDON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Members First Credit Union

    EIN 520905206 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990

  24. Memorial Apartments Corporation

    EIN 526058564 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Memorial Fund of Phi Beta Epsilon

    EIN 016013997 · Headquarters: Easton, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Memorial Scholarship Fund of the Westminster Rotary Club (Flanagan)

    EIN 237037815 · Headquarters: WESTMINSTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  27. Memorialvfwpost6694mensauxiliary

    EIN 452939362 · Headquarters: Dundalk, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Mende Descendants Union the Washinton Metropolitan Area-dmv

    EIN 332146031 · Headquarters: CLINTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Mens Auxiliary of Vfw Post 2462

    EIN 900256101 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. Mentesenot Reliefs Organization Inc

    EIN 392452943 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Mentors That Care Inc

    EIN 522100146 · Headquarters: COLUMBIA, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Mercy for Pets Inc

    EIN 873368652 · Headquarters: ROCKY RIDGE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Mercy Health Services

    EIN 251585441 · Headquarters: Marriottsville, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. Mercy Health Services Inc

    EIN 522173382 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Mercy Medical Center

    EIN 522046586 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Meristem

    EIN 521489910 · Headquarters: Clarksville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Merrimack Park Recreation Assoc Inc

    EIN 520690497 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. MESSIANIC JEWISH PUBLISHERS and Resources

    EIN 526040233 · Headquarters: Clarksville, MD, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  39. Methodist Preparatory and Kindergarten Ex Pupils Association

    EIN 832342264 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  40. Methodist University PAD Prelaw Chapter

    EIN 271708069 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Methodists United for Peace with Justice

    EIN 270991533 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  42. Metro Baltimore Hispanic Contractors Association

    EIN 932386748 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Metro Chapter-buick Club of America

    EIN 550879396 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Metro Crime Stoppers Inc

    EIN 521174800 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Metro Delta Eudcational Programs Inc

    EIN 273220474 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  46. Metro Handicapped Encounter Christ Inc

    EIN 521417729 · Headquarters: North Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Metro-Maryland Youth for Christ Inc

    EIN 520957095 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. MetroBethesda Rotary Club Inc

    EIN 203429238 · Headquarters: Easton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Metropolitan Artisans

    EIN 900928921 · Headquarters: SHARPSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Metropolitan Baltimore Council of Afl-cio Unions

    EIN 526068046 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Metropolitan Dc Paving Industry Employee Health & Welfare Fund

    EIN 526098777 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Metropolitan District 1199 Dc

    EIN 821539912 · Headquarters: LANDOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Metropolitan Sports Academy

    EIN 822735631 · Headquarters: beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Metropolitan Washington Association of Occupational Health Nurses

    EIN 200513445 · Headquarters: LUTHERVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Metropolitan Washington Association of Plumbing Heating & Cooling Contr

    EIN 521602626 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Metropolitan Washington Ear Inc

    EIN 237284141 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Metta Cultural and Development Association of Washington Dc Metro

    EIN 453078142 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Mgh Gateway Aa

    EIN 464494579 · Headquarters: olney, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  59. Mhp Drhc Inc

    EIN 141855665 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mhp Edinburgh House Inc

    EIN 521937891 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Mhp Great Hope Homes Inc

    EIN 522298864 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Micah 6 8 Ministries Inc

    EIN 392216382 · Headquarters: District Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Michael & Denise Brown Ministries

    EIN 262126787 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Michigan State University PAD PreLaw Chapter

    EIN 943118089 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Michigan State University Student Chapter

    EIN 521087625 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Michigan Technological University Student Chapter

    EIN 237380599 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Mid America College Health Association

    EIN 237140174 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Mid Atlantic Adventist Healthcare Corporation

    EIN 521884153 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mid Atlantic Allis Chalmers Club Llc

    EIN 811255032 · Headquarters: Lineboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Mid Atlantic College Health Association

    EIN 237289784 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Mid Atlantic Emergency Medical

    EIN 521071531 · Headquarters: bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mid Atlantic Financial Services Association Inc

    EIN 526059632 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Mid Atlantic Regional Joint Board Workers United

    EIN 521367543 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Mid Atlantic Resource Conservation and Development Association

    EIN 222637414 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Mid Atlantic Sports Turf Managers Association

    EIN 271410141 · Headquarters: Timmonium, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Mid-Atlantic Asc of Golf Course Superintendents Inc

    EIN 520964516 · Headquarters: Hunt Valley, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Mid-atlantic Association for Financial Professionals Inc

    EIN 521522668 · Headquarters: COLUMBIA, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Mid-atlantic Association of Community Health Centers Inc

    EIN 521344933 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Mid-atlantic Association of Teachers of Japanese

    EIN 273702298 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Mid-atlantic Burn Camp Fund Incorporated

    EIN 521763401 · Headquarters: CLARKSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Mid-atlantic Carnivorous Plant Society Inc

    EIN 831810134 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Mid-atlantic Carwash Association Inc

    EIN 522054076 · Headquarters: Edgewater, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Mid-atlantic Cio Forum Inc

    EIN 882054963 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Mid-Atlantic Cleaners & Launderers Association Inc

    EIN 541561693 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Mid-atlantic College Reading Association

    EIN 520959328 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Mid-atlantic Council of Trout Unlimited

    EIN 521118808 · Headquarters: WHEATON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Mid-atlantic Dance Masters Chapter 17 Inc

    EIN 521159793 · Headquarters: SMITHSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Mid-atlantic Germanic Society

    EIN 521299766 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Mid-atlantic Hanovarian Breeders Club Inc

    EIN 522022276 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Mid-atlantic Leadership Initiative in Cross Cultur

    EIN 205184387 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Mid-atlantic Lifespan Inc

    EIN 522359471 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Mid-Atlantic Monument Builders

    EIN 251726478 · Headquarters: Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Mid-atlantic Petroleum Distributors Association Inc

    EIN 521135824 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Mid-atlantic Pickleball Association Inc

    EIN 882724070 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Mid-atlantic Pipe Trades Association

    EIN 832785579 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Mid-atlantic Regional Moving Image Archi

    EIN 812799905 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Mid-atlantic Section of the Ninety -Nines Inc

    EIN 204101276 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Mid-atlantic Security Traders Association Inc

    EIN 521449753 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Mid-atlantic Shrine Assn

    EIN 546051142 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Mid-atlantic Society for Healthcare Strategy and Market Development

    EIN 541021834 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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