Nonprofits in Marlborough, Connecticut

Nonprofits in Marlborough, Connecticut. Browse 42 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. American Legion Auxiliary

    EIN 237023992 · Headquarters: Marlborough, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  2. American Legion Post 197

    EIN 060891457 · Headquarters: MARLBOROUGH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Belltown Sportsmens Club Inc

    EIN 237013060 · Headquarters: Marlborough, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  4. Central Connecticut Chapter of the Society for Information Management

    EIN 061293494 · Headquarters: MARLBOROUGH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Connecticut Advocates for Parkinsons Inc

    EIN 452558163 · Headquarters: MARLBOROUGH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  6. Connecticut Bldg Officals Assoc Inc

    EIN 061414575 · Headquarters: MARLBOROUGH, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Connecticut Conservation Officers Association Inc

    EIN 061314250 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Connecticut Education Association

    EIN 237106729 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Connecticut Education Association

    EIN 237107212 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Connecticut Federation of School Administrators

    EIN 994317174 · Headquarters: Marlborough, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Connecticut Junior Women Inc

    EIN 061010762 · Headquarters: Marlborough, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. Eastern Connecticut Skeet Club Inc

    EIN 061288484 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Elite Meet Inc

    EIN 823048668 · Headquarters: MARLBOROUGH, CT, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  14. Fighting the Good Fight on Hunger and Homelessness Inc

    EIN 832874964 · Headquarters: Marlborough, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. International Association of Lions Clubs

    EIN 237311055 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. International Yan Xin Qigong Association

    EIN 371284597 · Headquarters: MARLBOROUGH, CT, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Isthmian Gallery

    EIN 454053514 · Headquarters: Marlborough, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 800953201 · Headquarters: Marlborough, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Lindbergh Flyers Inc

    EIN 923809554 · Headquarters: Marlborough, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Marlborough Arts Center & Museum Inc

    EIN 061492765 · Headquarters: Marlborough, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Marlborough Association for Senior Housing Inc

    EIN 061039607 · Headquarters: MARLBOROUGH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. Marlborough Business & Professional Association

    EIN 061289258 · Headquarters: Marlborough, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Marlborough Cooperative Nursery School Inc

    EIN 066007936 · Headquarters: Marlborough, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Marlborough Education Foundation Inc

    EIN 272786062 · Headquarters: Marlborough, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Marlborough Elementary Child Care Association Inc

    EIN 222546979 · Headquarters: Marlborough, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Marlborough Food Bank Inc

    EIN 841797053 · Headquarters: Marlborough, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Marlborough Historical Society

    EIN 852569421 · Headquarters: Marlborough, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Marlborough Junior Ancient Fife & Drum Corp Inc

    EIN 061384528 · Headquarters: Marlborough, CT, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. Marlborough Lodge No 1631 Loyal Order of Moose Inc

    EIN 066075578 · Headquarters: MARLBOROUGH, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  30. Marlborough Parent-Teacher Organization Incorporated

    EIN 222835313 · Headquarters: Marlborough, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Marlborough Soccer Club

    EIN 061393350 · Headquarters: MARLBOROUGH, CT, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  32. Marlborough Volunteer Fire Company

    EIN 060946331 · Headquarters: Marlborough, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Marlborough Youth Athletic League

    EIN 237129556 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Moms Club

    EIN 061617040 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Northeast Colleges and Universities Security Association Inc

    EIN 112545341 · Headquarters: MARLBOROUGH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Pcu Idaho Ssn 799 Cpoa

    EIN 990721229 · Headquarters: Marlborough, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Residents Advocationg Conservation Inc

    EIN 223027756 · Headquarters: MARLBOROUGH, CT, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  38. Richmond Memorial Library Associati

    EIN 066056067 · Headquarters: MARLBOROUGH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Roy B Pettengill Ambulance Assoc

    EIN 061601165 · Headquarters: Marlborough, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Stonecrest Beach Club Inc

    EIN 061458938 · Headquarters: Marlborough, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. The Foundation of Possibilities

    EIN 300754521 · Headquarters: MARLBOROUGH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Tri County Babe Ruth League Inc

    EIN 743059981 · Headquarters: Marlborough, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N