Nonprofits in Prince Frederick, Maryland

Nonprofits in Prince Frederick, Maryland. Browse 142 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. 4-H Clubs & Affiliated 4-H Organizations

    EIN 261471981 · Headquarters: Prince Frederick, MD, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Adult Day Care of Calvert County Inc

    EIN 521470017 · Headquarters: PRINCE FREDERICK, MD, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990

  3. Amateur Athletic Union of the United States

    EIN 383898511 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. Amateur Athletic Union of the Us Inc

    EIN 923073916 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Amer Legion Gray Ray Post 220 Inc

    EIN 522107606 · Headquarters: Prince Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  6. American Chestnut Land Trust Inc

    EIN 521489614 · Headquarters: PRINCE FREDERICK, MD, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. American Society of Plumbing Engineers Washington Dc Chapter

    EIN 541839472 · Headquarters: Prince Frederick, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Anchor Christian Collaborative Inc

    EIN 815237360 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Ancient Free & Accepted Masons of Maryland

    EIN 237144243 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Arts Council of Calvert County Inc

    EIN 521594189 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Autism-asperger Association of Calvert County Incorporated

    EIN 542157328 · Headquarters: Prince Frederick, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. Barstow Acres Children's Center Inc

    EIN 141877381 · Headquarters: Prince Frederick, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Barstow Pto

    EIN 871941528 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Basswood Folk Arts Inc

    EIN 934468652 · Headquarters: Prince Frederick, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Bayside Forest Community Association Inc

    EIN 521898563 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Benevolent & Protective Order of 2620 Bpoe

    EIN 521216462 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Bhc Youth Corporation

    EIN 921213787 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Birthright of Prince Frederick Inc

    EIN 521931286 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Blossoming Butterfly Warriors Inc

    EIN 881891450 · Headquarters: Prince Frederick, MD, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Breath of God Ministries

    EIN 472185369 · Headquarters: Prince Frederick, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Bulldog Athletic Association

    EIN 461845597 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Busy Bee Nursery Inc

    EIN 520981185 · Headquarters: Prince Frederick, MD, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  23. Cal Cty School Bus Contractors Hlth & Welfare Trust

    EIN 522187252 · Headquarters: PRINCE FREDERICK, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Cals CRU Inc

    EIN 933424002 · Headquarters: Prince Frederick, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Calvert Affordable Housing Alliance Inc

    EIN 522348534 · Headquarters: Prince Frederick, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Calvert Alliance Against Substance Abuse Inc

    EIN 521675919 · Headquarters: PRINCE FREDERICK, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Calvert Animal Welfare League Inc

    EIN 521811151 · Headquarters: PRINCE FREDERICK, MD, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Calvert Aquatics Club Inc

    EIN 474858668 · Headquarters: Prince Frederick, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Calvert Association of Educational Support Staff

    EIN 522058647 · Headquarters: Prince Frederick, MD, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Calvert Association of Supervisors and Administrators-msea-nea

    EIN 993976080 · Headquarters: Prince Frederick, MD, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Calvert C a R E S

    EIN 821792633 · Headquarters: Prince Frederick, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Calvert County American Little League

    EIN 521198551 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  33. Calvert County Chamber of Commerce Inc

    EIN 521215923 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Calvert County Extension Advisory Council Inc

    EIN 521351806 · Headquarters: Prince Frederick, MD, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  35. Calvert County Farm Bureau

    EIN 520975318 · Headquarters: PRINCE FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Calvert County Historical Soc Inc

    EIN 237259823 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Calvert County Public Library Foundation

    EIN 522176933 · Headquarters: Prince Frederick, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Calvert County Quilt Guild

    EIN 331118741 · Headquarters: Prince Frederick, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Calvert County Rescue Dive Team Inc

    EIN 521707987 · Headquarters: Prince Frederick, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Calvert County Sheriff Foundation Inc

    EIN 334125651 · Headquarters: Prince Frederick, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Calvert County Sportsmens Club Inc

    EIN 521372642 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Calvert County Tennis Association Inc

    EIN 522059065 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Calvert County Volunteer Fire-rescue & Ems Association Inc

    EIN 990810948 · Headquarters: Prince Frederick, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Calvert Education Association Inc

    EIN 521055500 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Calvert Elementary PTO

    EIN 873108586 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Calvert Environmental Trust for Youth

    EIN 521974885 · Headquarters: PRINCE FREDERICK, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Calvert Farmland Trust Inc

    EIN 521828261 · Headquarters: PRINCE FREDERICK, MD, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Calvert Healthcare Solutions Inc

    EIN 522344039 · Headquarters: PRINCE FREDERICK, MD, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  49. Calvert High School Pto

    EIN 412327024 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Calvert Hospice Inc

    EIN 521329515 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Calvert Optimist Community Parks Foundation Inc

    EIN 521655745 · Headquarters: PRINCE FREDERICK, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Calvert Pines Senior Center Council Inc

    EIN 273177696 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Calvert Rainbow Alliance Inc

    EIN 834102474 · Headquarters: Prince Frederick, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Calvert Soccer Association Inc

    EIN 521379925 · Headquarters: Prince Frederick, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Calvert Tide Baseball Inc

    EIN 333082818 · Headquarters: PRINCE FREDERICK, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Calvert Toastmasters Club

    EIN 900390459 · Headquarters: Prince Frederick, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. CalvertHealth

    EIN 520619000 · Headquarters: Prince Frederick, MD, United States · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. CalvertHealth

    EIN 522347324 · Headquarters: Prince Frederick, MD, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. CalvertHealth Auxiliary Inc

    EIN 520808236 · Headquarters: Prince Frederick, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. CalvertHealth Foundation Inc

    EIN 521680647 · Headquarters: Prince Frederick, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Celtic Society of Southern MD Inc

    EIN 521501255 · Headquarters: Prince Frederick, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  62. Central Maryland Corsairs Squadron

    EIN 208094104 · Headquarters: Prince Frederick, MD, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  63. Childrens Aid Inc

    EIN 263216644 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Christmas-In-April Calvert County Inc

    EIN 521753519 · Headquarters: Prince Frederick, MD, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. CMH Holding Co

    EIN 522176827 · Headquarters: Prince Frederick, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. CMH II Holding Co

    EIN 522178784 · Headquarters: Prince Frederick, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Community Ministry of Calvert County

    EIN 453846516 · Headquarters: PRINCE FREDERICK, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Concerned Black Men of Calvert County Inc

    EIN 522079536 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Concerned Black Women of Calvert County

    EIN 201333798 · Headquarters: Prince Frederick, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Courage to Change of Southern Mdinc

    EIN 271970498 · Headquarters: PRINCE FREDERICK, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  71. 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

  72. Crimson Council

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

  73. David Krankowski Memorial Foundation Inc

    EIN 452391814 · Headquarters: Prince Frederick, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Defend the Faith in Christ Ministries Inc

    EIN 811511329 · Headquarters: Prince Frederick, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Eternal Touch Ministries Inc

    EIN 473099253 · Headquarters: PRINCE FREDERICK, MD, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Evokepurpose Inc

    EIN 844863225 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Farming 4 Hunger Inc

    EIN 454827932 · Headquarters: PRINCE FREDERICK, MD, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Foundation to Report Empower and Educate Maryland

    EIN 833628368 · Headquarters: PRINCE FREDERICK, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Freedom Church of Calvert Inc

    EIN 853573358 · Headquarters: Prince Frederick, MD, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Friends of Calvert County Seniors Inc

    EIN 521831971 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Friends of the Calvert County Library Inc

    EIN 311626247 · Headquarters: Prince Frederick, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Hands of God Mobile Street Ministry

    EIN 262361314 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Honor the Blue Inc

    EIN 921263125 · Headquarters: Prince Frederick, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Honoring Every Last Person Foundation Inc

    EIN 822545544 · Headquarters: Prince Frederick, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Hope for Hopeless Children Nfp

    EIN 843777577 · Headquarters: PRINCE FREDERICK, MD, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Kemelong Foundation Nfp

    EIN 842543209 · Headquarters: PRINCE FREDERICK, MD, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Kiwanis International Inc

    EIN 521377955 · Headquarters: Prince Frederick, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  88. Knights of Columbus

    EIN 522005298 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Launching Educational Assistance Programs Forward Inc

    EIN 522169397 · Headquarters: Prince Frederick, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Learning Disabilities Association of Calvert County Inc

    EIN 521869461 · Headquarters: Prince Frederick, MD, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Learning Ladders Incorporated

    EIN 454343177 · Headquarters: PRINCE FREDERICK, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Litter Bitters Corporation

    EIN 844658977 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Local Church Network Inc

    EIN 883287201 · Headquarters: PRINCE FREDERICK, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Lucius Seneca Wellness Group

    EIN 463008077 · Headquarters: Prince Frederick, MD, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  95. Maryland 4-H Club Foundation Inc

    EIN 161684976 · Headquarters: Prince Frederick, MD, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Maryland 4-H Club Foundation Inc

    EIN 202666955 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Maryland 4-H Club Foundation Inc

    EIN 261458464 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Maryland 4-H Club Foundation Inc

    EIN 454634439 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Maryland 4-H Club Foundation Inc

    EIN 461880354 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Maryland 4-H Club Foundation Inc

    EIN 463998267 · Headquarters: Prince Frederick, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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