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. Cosmos Children's Fund Inc

    EIN 823410988 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Cougar Boosters Inc

    EIN 521577693 · Headquarters: Fallston, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Cougar Lacrosse Network Inc

    EIN 811673006 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  4. Council 550

    EIN 334931551 · Headquarters: Union Bridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Council for Advocacy and Policy Solutions

    EIN 833257673 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  6. Council for Exceptional Children & Adults Inc

    EIN 521260521 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Council of Administrative and Supervisory Employees Inc

    EIN 521916817 · Headquarters: Perry Hall, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Council of Colts Corrals Inc

    EIN 520975267 · Headquarters: Catonsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Council of Educational Administrative and Supervisory

    EIN 521827751 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. Council of Holistic Health Educators Inc

    EIN 824123681 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Council of Ravens Roosts Inc

    EIN 522058373 · Headquarters: Kingsville, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Council of the Alleghenies Inc

    EIN 526060213 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Council of Unit Owners of Springdale Village Condominium Inc

    EIN 521910488 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. COuncil on Domestic Relations

    EIN 333767413 · Headquarters: Gambrills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Council on Economic Education in Maryland Inc

    EIN 520743956 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Council on Ionizing Radiation Measurements and Standards Inc

    EIN 521850552 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Country Club Estates Recreational Association

    EIN 520707832 · Headquarters: Glen Burnie, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  18. Country Club Swim and Dive Association Inc

    EIN 475277860 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Country Dance & Song Society Inc

    EIN 521928253 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Country Dance and Song Society Inc

    EIN 521607766 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Country Glen Club Inc

    EIN 520941912 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. County Engineers Association of Md

    EIN 521302631 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Coursey Station Apartments Inc

    EIN 911916898 · Headquarters: Timonium, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Covenant Haven Ministries Inc

    EIN 473896351 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Coyote Football Club

    EIN 833537005 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Cpa Management Systems Inc

    EIN 521278843 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. Crabtown Squares

    EIN 522296771 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Crane Family Foundation Inc

    EIN 521755504 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. Creative Determined Minds Inc

    EIN 852111017 · Headquarters: Accokeek, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Creative Learning Inc

    EIN 521087361 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  31. Creative Source Productions

    EIN 541525160 · Headquarters: Temple Hills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Cremona Foundation Inc

    EIN 237136759 · Headquarters: MECHANICSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Cresap Rifle Club Inc

    EIN 521656502 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Crescent Boat and Social Club Inc

    EIN 526015946 · Headquarters: ESSEX, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Crescent Cities Jaycees Inc

    EIN 237375075 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Crime Solvers of Calvert County Maryland Inc

    EIN 521272197 · Headquarters: prince frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Crime Solvers of Prince George's County Md Inc

    EIN 521165680 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Crime Solvers of the Lower Eastern Shore Inc

    EIN 521539428 · Headquarters: SALISBURY, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Crimson Council

    EIN 271352193 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Crisfield Area Chamber of Commerce Inc

    EIN 521339935 · Headquarters: CRISFIELD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Crisfield Arts Syndicate Llc

    EIN 825312449 · Headquarters: Chester, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Cristo Rey Corporate Internship Program Inc

    EIN 205300491 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  43. Cristo Rey Jesuit High School

    EIN 050632734 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  44. Critical Infrastructure and Key Resources Executive Industry Counc

    EIN 272886639 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  45. Critical Infrastructure Security Consortium

    EIN 992580706 · Headquarters: Owings Mills, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Critical Labor Coalition Llc

    EIN 881731800 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Crnc Action

    EIN 473942267 · Headquarters: N BETHESDA, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Croatian Fraternal Union of America

    EIN 521079906 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Crofton Chamber of Commerce Inc

    EIN 521643395 · Headquarters: CROFTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Crofton Swim & Tennis Club Inc

    EIN 520909175 · Headquarters: CROFTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Crofton Woods Pta

    EIN 521682693 · Headquarters: CROFTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Cross Chinese Baptist Church of Mar

    EIN 472854555 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Cross Roads Bible Institute Inc

    EIN 271453466 · Headquarters: Baldwin, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Crossfires of Maryland

    EIN 454805082 · Headquarters: Street, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  55. Crossing Borders Education Inc

    EIN 990361824 · Headquarters: Lutherville, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. Crossroads Community Foundation Inc

    EIN 521467735 · Headquarters: Centreville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Crown of Splendor Inc

    EIN 471582679 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  58. Crumpton Cemetery Association of Queen Annes County

    EIN 526055231 · Headquarters: Crumpton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Cryptologic Warfare Activity 67 Cpo Mess

    EIN 842152075 · Headquarters: GLEN BURNIE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Cryptologic Warfare Activity Sixty Six Wardroom Association

    EIN 831447614 · Headquarters: Fort Meade, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Cryptologic Warfare Group Six Chief Petty Officers Association

    EIN 333322200 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Crystal Beach Manor Civic Association Incorporated

    EIN 237363997 · Headquarters: Earleville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Crystal Manor Boat Club Inc

    EIN 521272298 · Headquarters: Earleville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Crystal Stairs Foundation

    EIN 991822752 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. CSU-Fresno PAD Prelaw Chapter

    EIN 455540893 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Cte 4-H Club

    EIN 472872170 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. Cub Scout Pack 150

    EIN 474903469 · Headquarters: Cordova, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. Cub Scout Pack 454

    EIN 471745689 · Headquarters: Davidsonville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Cub Scouts Pack 183

    EIN 464775388 · Headquarters: Hydes, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Cumberland 586 Inc

    EIN 521460870 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Cumberland Allegany County Industrial Foundation Inc

    EIN 520816138 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Cumberland Allied Printing Trades Association

    EIN 900404399 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  73. Cumberland Chapter 914 Women of the Mooose

    EIN 521192372 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Cumberland Choral Society Inc

    EIN 521122819 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Cumberland Eastside Neighborhood Association Inc

    EIN 475077149 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Cumberland Lions Foundation Inc

    EIN 526040490 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Cumberland National Day of Prayer Inc

    EIN 521124473 · Headquarters: CUMBERLAND, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Cumberland Outdoor Club Inc

    EIN 520558321 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Cumberland Scottish Rite Foundation Inc

    EIN 521324221 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  80. Cumberland Valley Athletic Clu

    EIN 521867770 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Cumberland Valley Chapter Associated Builders & Contrators Inc

    EIN 520801915 · Headquarters: Hagerstown, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. Curious Maker Lab Inc

    EIN 921622825 · Headquarters: Severn, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. Curley Street Settlement Inc

    EIN 461559977 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. Cwa Local 2105 Rmc

    EIN 823236700 · Headquarters: Smithsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Cwa-ibew-verizon Labor & Management Ptrshp & Fund for Health Care Reform

    EIN 270565350 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  86. Cwma-61 Cpoa

    EIN 873028942 · Headquarters: Fort Meade, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Cyberboat Challenge

    EIN 844589680 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Cybersecurity Framework Implementation Repository and Exch

    EIN 465592809 · Headquarters: Gibson Island, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. Cybersecurity Youth Corps Inc

    EIN 844298764 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Cycle Lords Mc Baltimore Chapter

    EIN 871129175 · Headquarters: CATONSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  91. Cypress Improvement Association

    EIN 331424669 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. D Brown Foundation

    EIN 472227424 · Headquarters: White Plains, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. D C Circle Club of Master Masons

    EIN 237097850 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. D C Metropolitan Organization of Black Scientists Inc

    EIN 521418573 · Headquarters: FORT WASHINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. D M Therrell High School Class of 1974 50Th Year Class Reunion

    EIN 934508617 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Da Sweeta Da Betta Bakery

    EIN 834200449 · Headquarters: DISTRICT HTS, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Daddys Hidden Treasures Young Women Mentoring Program

    EIN 270559980 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  98. Dads Against Diabetes

    EIN 900885508 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Dads and Daughters Inc

    EIN 990547331 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Dailey Family Fund

    EIN 830436222 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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