Nonprofits in South Dennis, Massachusetts

Nonprofits in South Dennis, Massachusetts. Browse 62 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. Agway of Cape Cod Charitable Foundation Inc

    EIN 812017351 · Headquarters: SOUTH DENNIS, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Amercian Legion

    EIN 043574098 · Headquarters: SOUTH DENNIS, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. American Legion Auxillary Post 488

    EIN 364678575 · Headquarters: South Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. American Postal Workers Union

    EIN 042744084 · Headquarters: South Dennis, MA, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Andrea Holden Foundation Inc

    EIN 200873531 · Headquarters: South Dennis, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Barnstable County Incident Management Association

    EIN 472705408 · Headquarters: South Dennis, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Bay State Harbormasters Association

    EIN 825360109 · Headquarters: South Dennis, MA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Bay to Sound Neighbors Inc

    EIN 824192223 · Headquarters: SOUTH DENNIS, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Cape Cod Classic Car Foundation

    EIN 990746562 · Headquarters: SOUTH DENNIS, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Cape Cod Classics Car Club

    EIN 300225666 · Headquarters: SOUTH DENNIS, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Cape Cod Firefighter-ems Cancer Relief

    EIN 800710715 · Headquarters: South Dennis, MA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  12. Cape Cod Lgbtq Senior Friends Inc

    EIN 332887031 · Headquarters: South Dennis, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Cape Cod Plumbing & Gasfitting Association Inc

    EIN 261348485 · Headquarters: South Dennis, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Cape Cod Police K-9 Relief Fund

    EIN 043768613 · Headquarters: SOUTH DENNIS, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Cape Cod Quilters

    EIN 200317340 · Headquarters: South Dennis, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Cape Cod Senior Softball League

    EIN 043346130 · Headquarters: South Dennis, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Chamberlain Foundation

    EIN 042752515 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. D-y Bayside Brawlers

    EIN 872895590 · Headquarters: South Dennis, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Dennis Historical Society Inc

    EIN 042624741 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Dennis Police Association Inc

    EIN 042714738 · Headquarters: South Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Dennis Senoir Softball League

    EIN 300243449 · Headquarters: South Dennis, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. Dennis Yarmouth Youth Baseball Association Inc

    EIN 464490580 · Headquarters: SOUTH DENNIS, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Dennis Youth Baseball Inc

    EIN 275557427 · Headquarters: SOUTH DENNIS, MA, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  24. Dennis-yarmouth Educators Association

    EIN 237133534 · Headquarters: South Dennis, MA, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Department of Massachusetts Vfw Auxiliary

    EIN 043246577 · Headquarters: South Dennis, MA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  26. Destiny Coffeehouse Fellowship Inc

    EIN 824032081 · Headquarters: South Dennis, MA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Eastern Inter-club Ski League Inc

    EIN 222480217 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. Elder Services of Cape Cod and the Islands Inc

    EIN 042523904 · Headquarters: SOUTH DENNIS, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Elf-n-wood Stables Inc

    EIN 043570760 · Headquarters: South Dennis, MA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. Friends of Dennis Recreation Inc

    EIN 432102456 · Headquarters: SOUTH DENNIS, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Friends of Dennis Senior Citizens Inc

    EIN 042666881 · Headquarters: SOUTH DENNIS, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Friends or Relatives with Autism & Related Disabilities

    EIN 464669648 · Headquarters: SOUTH DENNIS, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Good Hope Adoption Services Inc

    EIN 651234338 · Headquarters: SOUTH DENNIS, MA, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

  34. Harwich - Dennis Rotary Club Inc

    EIN 046189131 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Housing Land Trust for Cape Cod Inc

    EIN 043535025 · Headquarters: SOUTH DENNIS, MA, USA · Housing & Shelter · Latest available filing year: 2019 · Primary form: IRS Form 990

  36. International Brotherhood of Police Officers 417

    EIN 043047788 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  37. Jam Specialists Inc

    EIN 043229627 · Headquarters: South Dennis, MA, US · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 042689301 · Headquarters: South Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Knights of Columbus

    EIN 814733516 · Headquarters: SOUTH DENNIS, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Liberty Hall

    EIN 222515774 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Lighthouse Figure Skating Club of Cape Cod Inc

    EIN 204245330 · Headquarters: SOUTH DENNIS, MA, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  42. Lyme Awareness of Cape Cod Inc

    EIN 270298266 · Headquarters: SOUTH DENNIS, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  43. Massachusetts Teachers Association

    EIN 042579989 · Headquarters: South Dennis, MA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  44. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170365 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Mid-cape Ice Arena Inc

    EIN 222573786 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Nathaniel H Wixon Parent Teacher Organization

    EIN 464063072 · Headquarters: SOUTH DENNIS, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  47. National Association of Government Employees Ibpo Local 579 Inc

    EIN 412274805 · Headquarters: SOUTH DENNIS, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. Nausetfan Inc

    EIN 270988555 · Headquarters: South Dennis, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Old South Dennis Village Association Inc

    EIN 223241995 · Headquarters: South Dennis, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Pasch Inc

    EIN 331091564 · Headquarters: SOUTH DENNIS, MA, USA · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  51. Rotary Club of Harwich Dennis Good Works Foundation Inc

    EIN 453087842 · Headquarters: SOUTH DENNIS, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Sight Loss Services Inc

    EIN 042998072 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. South Dennis Free Public Library Association

    EIN 237121172 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Southeastern Mass Intl Personnel Management Assoc Human Resources

    EIN 542173536 · Headquarters: South Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Swan Lake Cemetery Association Inc

    EIN 043034716 · Headquarters: South Dennis, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. The Better Yourself Campaign Inc

    EIN 813953871 · Headquarters: SOUTH DENNIS, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  57. The Butcher Family Foundation Inc

    EIN 260539323 · Headquarters: SOUTH DENNIS, MA, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  58. The Cindy Fund

    EIN 830722392 · Headquarters: SOUTH DENNIS, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. The Retired Mens Club of Cape Cod Massachusetts

    EIN 046191397 · Headquarters: South Dennis, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. The Scargo School Inc

    EIN 042385558 · Headquarters: SOUTH DENNIS, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Victrola Society Inc

    EIN 043193729 · Headquarters: SOUTH DENNIS, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Yarmouth-dennis Youth Hockey Association Inc

    EIN 043150530 · Headquarters: SOUTH DENNIS, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990